Last updated: 2025-05-22

93 Backend Software Engineering jobs in London.

Hiring now: Sr Software Engr @ Blockchain, Sr Software Engr Google D @ Google, Engr Open Banking Apis @ Yapily, Staff Python Software Eng @ Abound, Sr Software Engr @ Kraken, Sr Software Engr Backend @ Blacklane, Sr Search Engr @ Perplexity, Software Engr Trust Safet @ Cloudflare, Backend Engr @ Wheely, Backend Engr @ Writer.Explore more at at kaamvaam.com

🔥 Skills

Kubernetes (35) AWS (25) Python (21) Docker (19) GCP (19) distributed systems (15) APIs (13) Go (13) Golang (13) Java (12)

📍 Locations

London (93)
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Blockchain.Com

Senior Software Engineer London
Skills & Focus: Senior Software Engineer, DeFi platform, APIs, blockchain, Docker, Kafka, PostgreSQL, engineering practices, JVM based language, test coverage
About the Company: is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, cr…
Experience: Preferably experience in at least one JVM based language such as Java, Kotlin, Scala
Salary: Full-time salary based on experience
Type: Full-time
Benefits: Unlimited vacation policy; work hard and take time when you need it, Apple equipment, Flexible work culture

Google

Senior Software Engineer, Google Distributed Cloud Hosted London
Skills & Focus: software development, distributed systems, large-scale infrastructure, cloud platforms, software design, architecture, testing, coding, infrastructure, Kubernetes
Experience: 5 years of experience with software development; 3 years testing, maintaining, or launching software products; 1 year with software design and architecture; 3 years developing large-scale infrastructure, distributed systems, or networks
Salary: $166,000-$244,000 + bonus + equity + benefits
Type: Full-time
Benefits: Bonus, equity, health insurance, retirement plans, and other benefits
Senior Software Engineer, Google Distributed Cloud Hosted London
Skills & Focus: software development, distributed systems, large-scale infrastructure, cloud platforms, software design, architecture, testing, coding, infrastructure, Kubernetes
Experience: 5 years of experience with software development; 3 years testing, maintaining, or launching software products; 1 year with software design and architecture; 3 years developing large-scale infrastructure, distributed systems, or networks
Salary: $166,000-$244,000 + bonus + equity + benefits
Type: Full-time
Benefits: Bonus, equity, health insurance, retirement plans, and other benefits

Yapily

Engineer – Open Banking APIs London
Skills & Focus: Open Banking, APIs, Kubernetes, Microservices, Distributed Systems, RESTful API, PSD2, Reactive Programming, Scalability, Security
About the Company: Yapily is on a mission to enable innovative companies to create better and fairer financial services for everyone, through the power of open banking.
Experience: 5+ years of working experience
Benefits: Comprehensive benefits including holiday entitlement, hybrid working, private medical insurance, mental health support,…

Abound

Staff Python Software Engineer London
Skills & Focus: Python, FastAPI, Postgres, AWS, SQL, asynchronous, cloud-native, software engineering, SDLC, Git
About the Company: We’re on a mission to make affordable loans available to more people. Using the power of Open Banking, we have built state-of-the-art technology that allows us…
Type: Full time
Benefits: Everyone owns a piece of the company - equity, Hybrid with 3 days a week in the office, 25 days’ holiday a year plus 8 …

Kraken

Senior Software Engineer London
Skills & Focus: Python, Django, Domain modelling, HTTP, REST APIs, Celery, async processing, Postgres, GraphQL, LLMs
About the Company: Kraken powers some of the most innovative global developments in energy. We’re a technology company focused on creating a smart, sustainable energy system.
Type: Full-time

Blacklane

Senior Software Engineer - Backend London
Skills & Focus: Backend, Ruby, Go, Typescript, Java, Kubernetes, Docker, Event-driven architecture, Domain driven design, API
About the Company: Blacklane is a global professional chauffeur service that provides high-quality transportation for clients.
Experience: 5 years
Salary: Up to 120 000
Type: Full-time
Benefits: Fair Pay & Shared Success, Learning & Development, Health and Well-being support, Company provided lunches, Social resp…

Perplexity Ai

Senior Search Engineer London
Skills & Focus: search engineer, infrastructure, crawling, ranking, retrieval systems, scaling, optimizing, costs, latency, uptime
About the Company: Perplexity AI is focused on creating innovative search infrastructure that powers products, having launched the first fully functional conversational answer en…
Experience: Minimum of 5 years working on search-related projects
Salary: $160,000 - $250,000
Type: Full-time
Benefits: Comprehensive health, dental, and vision insurance; Includes a 401(k) plan.

Cloudflare

Software Engineer - Trust & Safety Engineering London
Skills & Focus: Golang, Rust, Kafka, Redis, Kubernetes, Terraform, Temporal, PostgresSQL, RESTful APIs, gRPC services
About the Company: At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites…
Experience: At least 3 years of experience building large-scale software applications, preferably distributed systems
Type: Full-time

Wheely

Backend Engineer London
Skills & Focus: Backend Engineer, Go language, microservices, scalable services, cross-functional teams, testing, databases, postgreSQL, AWS, professional development
About the Company: Wheely is not a traditional ride-hailing company. We are building a platform with user privacy at its core while successfully scaling a five-star service to mi…
Experience: 3+ years of experience developing scalable and reliable backend services
Salary: Competitive salary
Type: On-site
Benefits: Flexible working hours, employee stock options plan, medical insurance, life and critical illness insurance, lunch allo…

Writer

Backend Engineer London
Skills & Focus: Backend Engineer, Scala, functional programming, RESTful APIs, microservices architecture, cloud platforms, performance optimization, Cats Effect, database design, agile development methodologies
About the Company: Writer is the full-stack generative AI platform delivering transformative ROI for the world’s leading enterprises. Named one of the top 50 companies in AI by F…
Experience: Minimum 5+ years of recent professional experience in functional programming and Scala
Type: Full-time
Benefits: Generous PTO, medical, dental, and vision coverage, paid parental leave, fertility and family planning support, flexibl…

Rockstar Games

Software Engineer London
Skills & Focus: Software Engineer, scalable server-side features, API design, database management, Agile development, troubleshooting, complex issues, distributed server systems, collaboration, FiveM/RedM platform
About the Company: At Rockstar Games, we create world-class entertainment experiences. Become part of a team working on some of the most rewarding, large-scale creative projects …
Experience: 4+ years of experience working as a software engineer
Type: Full-time

Commercetools

Senior Scala Engineer - Distributed Systems (m/f/x) London
Skills & Focus: Scala, distributed systems, backend development, APIs, cloud platforms, functional programming, parallel programming, asynchronous programming, MongoDB, CI pipelines
Benefits: Generous compensation structure consisting of salary, a competitive stock option package, and various benefits and perk…

Spotify

Backend Engineer - Core Infrastructure London
Skills & Focus: Java, backend development, GCP, Docker, scalability, high availability, low latency, cloud platforms, distributed systems, automated testing
Experience: Mid-level
Type: Permanent

Faculty

Software Engineer London
Skills & Focus: AI-driven solutions, Python, cloud native architecture, FastAPI, Typescript, Terraform, PostgreSQL, CI/CD pipelines, Docker, Kubernetes
About the Company: At Faculty, we transform organisational performance through safe, impactful and human-centric AI. With a decade of experience, we provide over 300 global custo…
Type: Hybrid

Justpark

Engineering Team Member London
Skills & Focus: PHP, Laravel, Golang, relational databases, high-volume system monitoring, TDD, mentoring, performance-focused, globalisation, payment systems
About the Company: JustPark, established in 2006, is the UK’s favourite parking app, parking a car every 2 seconds and processing £100m+ of parking income for our partners each y…
Experience: 4+ years of overall engineering experience
Type: Full-time
Benefits: Competitive healthcare package & other wellness offerings, range of travel-related benefits, lunches, snacks provided, …

Loveholidays

Web Infrastructure Engineer London
Skills & Focus: web infrastructure, programming languages, TypeScript, Rust, scalable applications, full software development lifecycle, high availability, GCP, Kubernetes, Grafana
About the Company: At loveholidays, we’re on a mission to open the world to everyone, giving our customers’ unlimited choice, unmatched ease and unmissable value for their next g…
Experience: Previous experience with Web engineering, GCP, GKE, Kubernetes, experience working with Grafana.
Benefits: Company pension contributions at 5%, individualised training budget, discounted holidays for you, your family and frien…
Web Infrastructure Engineer London
Skills & Focus: web infrastructure, programming languages, TypeScript, Rust, scalable applications, full software development lifecycle, high availability, GCP, Kubernetes, Grafana
About the Company: At loveholidays, we’re on a mission to open the world to everyone, giving our customers’ unlimited choice, unmatched ease and unmissable value for their next g…
Experience: Previous experience with Web engineering, GCP, GKE, Kubernetes, experience working with Grafana.
Benefits: Company pension contributions at 5%, individualised training budget, discounted holidays for you, your family and frien…
Web Infrastructure Engineer London
Skills & Focus: web infrastructure, programming languages, TypeScript, Rust, scalable applications, full software development lifecycle, high availability, GCP, Kubernetes, Grafana
About the Company: At loveholidays, we’re on a mission to open the world to everyone, giving our customers’ unlimited choice, unmatched ease and unmissable value for their next g…
Experience: Previous experience with Web engineering, GCP, GKE, Kubernetes, experience working with Grafana.
Benefits: Company pension contributions at 5%, individualised training budget, discounted holidays for you, your family and frien…

Cloudflare

Software Engineer - Network Infrastructure (Rust, HTTP/3, Performance Testing) London
Skills & Focus: performance, HTTP/3, Rust, network, scaling, protocols, HTTP/2, proxies, transport protocols, cryptography
About the Company: At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites…

Wheely

Backend Engineer London
Skills & Focus: Backend Engineer, microservices, Go, scalable services, databases, PostgreSQL, MongoDB, Ruby, Python, unit testing
About the Company: Wheely is not a traditional ride-hailing company. We are building a platform with user privacy at its core while successfully scaling a five-star service to mi…
Experience: 5+ years of experience developing scalable and reliable backend services
Salary: Competitive salary
Type: On-site
Benefits: Flexible working hours, stock options, medical insurance, life and critical illness insurance, lunch allowance, profess…

Taptap Send

Senior Backend Engineer, Expansion London
Skills & Focus: backend systems, Kotlin, Java, PostgreSQL, AWS, third-party APIs, security, data flows, teamwork, collaborative
About the Company: Taptap Send is a cross-border fintech company helping immigrants move money home. The company is focused on reducing inequity by offering a transformative plat…
Experience: 7+ years of professional experience
Type: Full time

Birdie

Golang Software Engineer London
Skills & Focus: Golang, software engineering, automated testing, agile methodologies, code reviews, performance optimization, cross-functional teams, data handling, B-Corp, home healthcare
About the Company: Birdie's home healthcare platform enabled a remarkable 30 million care visits in 2023. Through its innovative technology, Birdie is modernising home healthcare…
Salary: £60K – £75K
Type: Full-time
Benefits: People are our core strength. We offer intentional benefits and invest in our team's growth, satisfaction and ability t…

Choreograph

Tech Lead, Back End London
Skills & Focus: backend systems, scalability, reliability, performance, architecture, API, cloud platforms, Docker, Kubernetes, CI/CD
About the Company: WPP’s global data products and technology company focused on transforming marketing through building connected data platforms and analytics capabilities.

Snyk

Staff Incubation Engineer (Backend & Systems) London
Skills & Focus: backend development, API, data pipelines, AI pipelines, cloud infrastructure, serverless architectures, databases, security best practices, performance optimization, ML
About the Company: Snyk is a developer security platform that makes it easy for development teams to find, prioritize, and fix security vulnerabilities in code, dependencies, con…
Experience: 8+ years of relevant experience in software engineering with a focus on backend development
Benefits: Flexible working hours, work-from home allowances, in-office perks, time off for learning, wellness time off, country-s…

Pleo

Senior Backend Engineer London
Skills & Focus: Backend Engineering, Kotlin, Microservices, Cloud environments, Distributed systems, Relational databases, Testing frameworks, DevOps culture, Technical leadership, Code reviews
About the Company: Pleo is a company dedicated to helping every organization go beyond just managing finances, aiming to promote responsible spending culture and digitizing compa…
Experience: Experience solving complex technical challenges at scale
Salary: 87,000€-93,000€ (Spain/Portugal), £79,000-£83,000 (United Kingdom)
Type: Full-time
Benefits: Private health insurance, flexibility/remote working options, paid parental leave, access to LinkedIn Learning, lunch a…

Yassir

Backend Developer London
Skills & Focus: backend development, microservices architecture, Node.js, Python, Go, large scale systems, server-side applications, root cause analysis, problem-solving, dynamic environment
About the Company: Yassir is the leading super App in the Maghreb region set to changing the way daily services are provided. It currently operates in 45 cities across Algeria, M…
Experience: Expert in complex backend development, microservices architecture
Type: Full-time
Backend Developer London
Skills & Focus: backend development, microservices architecture, Node.js, Python, Go, large scale systems, server-side applications, root cause analysis, problem-solving, dynamic environment
About the Company: Yassir is the leading super App in the Maghreb region set to changing the way daily services are provided. It currently operates in 45 cities across Algeria, M…
Experience: Expert in complex backend development, microservices architecture
Type: Full-time

Runa

Senior Software Engineer London
Skills & Focus: Software Engineering, API development, cloud infrastructure, mentoring, Python, TypeScript, JavaScript, AWS, microservices, scalable systems
About the Company: Runa is pioneering a first-of-its-kind payment rail that enables seamless, global money movement at scale. The company provides a new digital payments infrastr…
Experience: Around 5+ years of Software Engineering experience
Type: Full time
Benefits: £1,000 annual L&D allowance, 25 days holiday, Private Medical + Dental Health Insurance, Enhanced parental leave, Runa …

Spotify

Backend Engineer - Content Platform London
Skills & Focus: Backend, Content Platform, Scalability, Distributed Systems, Java, High Availability, Low Latency, Microservices, Cloud Infrastructure, Agile
About the Company: Spotify is the world's most popular audio streaming subscription service, revolutionizing music listening and podcasting.
Type: Permanent

Cisco

Senior Software Engineer (Java), Endpoint London
Skills & Focus: backend infrastructure, data processing, distributed systems, networking fundamentals, cloud technologies, Elasticsearch, Kafka Streams, IoT products, AWS, Kubernetes
About the Company: Cisco is a multinational technology conglomerate that develops, manufactures, and sells networking hardware, telecommunications equipment, and other high-techn…

V7

Backend Engineer London
Skills & Focus: Backend Engineer, functional programming, AWS, terraform, queue management, observability, Docker, GenAI, scalable architecture, customer-centric
About the Company: V7 turns human knowledge into trustworthy AI, powering products that solve our hardest problems.
Experience: 3+ years
Type: Full-time
Benefits: Top 15% quartile equity options plan, Private Healthcare via Bupa, 30 days paid holiday, Learning and Development walle…

Monzo

Backend Engineer III London
Skills & Focus: backend engineer, technology product, customer outcomes, data-informed decisions, distributed systems, Go, Cassandra, Kafka, AWS, Docker
About the Company: Monzo is on a mission to make money work for everyone, waving goodbye to traditional banking. They focus on solving problems and changing lives through their i…
Experience: Strong experience working on the backend of a technology product
Salary: £75,000 - £105,000 + stock options
Type: Full-time
Benefits: Learning budget of £1,000 a year, flexible working hours, assistance with relocation and visa sponsorship, and more.

Warner Music Group

Backend Engineer London
Skills & Focus: music, backend, engineering, APIs, scaling, systems, concert data, fan engagement, data privacy, live music
About the Company: At Warner Music Group, we’re a global collective of music makers and music lovers, tech innovators and inspired entrepreneurs, game-changing creatives and pass…

Blockchain.Com

Back-End Engineer London
Skills & Focus: backend systems, microservices, fraud prevention, scalability, encryption, JVM languages, Kotlin, PostgreSQL, Redis, data science
About the Company: Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the pass…
Experience: 3 - 5+ years
Type: Full-time
Benefits: Full-time salary based on experience and meaningful equity; Hybrid model working from home & office in Central London; …

9fin

Senior Backend Engineer London
Skills & Focus: Python, APIs, Flask, FastAPI, SQL, Service Oriented Architecture, Data flow, Code quality, AWS, Mentoring
About the Company: 9fin's proprietary technology delivers fast and comprehensive financial, credit, legal & ESG analysis.
Experience: Senior IC Engineer
Salary: 75-90th% of market
Type: Full-time
Benefits: Competitive salary, equity options, pension matching, private medical insurance, paid sick leave, flexible working, tra…

Toggle Ai

Technical Lead for Knowledge Graph London
Skills & Focus: software engineering, graph databases, knowledge graphs, Neo4j, ArangoDB, Postgres, Golang, Python, data management, graph algorithms
About the Company: Toggle AI is on a mission to bring data to life with natural language. Toggle Terminal offers a suite of award-winning analytic tools wrapped in an accessible,…
Experience: 7+ years of experience in software engineering
Salary: $125,000 - $225,000 USD

Anaplan

Senior Software Engineer London
Skills & Focus: Python development, backend development, full-stack development, code quality, test-driven development (TDD), mentorship, distributed systems, cloud-based infrastructure, API design, real-time data streaming
About the Company: Anaplan is a team of innovators focused on optimizing business decision-making through their leading scenario planning and analysis platform for customers incl…
Experience: Professional experience in Python development or related software engineering roles.
Type: Full-time

Gocardless

Software Engineer London
Skills & Focus: collaboration, API, web products, Ruby on Rails, Golang, Python, JavaScript, TypeScript, Kubernetes, Elasticsearch
About the Company: GoCardless is a global bank payment company. Over 100,000 businesses, from start-ups to household names, use GoCardless to collect and send payments through di…
Experience: Experience building web products and services
Type: Full-time
Benefits: Wellbeing support, work away scheme, adaptive working, equity, parental leave, generous time off including volunteer an…

Y Combinator Startup

Senior/Staff Software Engineer London
Skills & Focus: AI, ML, data analytics, TypeScript, Node, Postgres, GraphQL, React, GCP, bio-processes
About the Company: An early-stage startup using AI/ML technology to enhance software for the scientific community, improving bio-process development.
Experience: Senior and Staff level engineers
Type: Full-time
Benefits: Remote working flexibility
Senior/Staff Software Engineer London
Skills & Focus: AI, ML, data analytics, TypeScript, Node, Postgres, GraphQL, React, GCP, bio-processes
About the Company: An early-stage startup using AI/ML technology to enhance software for the scientific community, improving bio-process development.
Experience: Senior and Staff level engineers
Type: Full-time
Benefits: Remote working flexibility
Senior/Staff Software Engineer London
Skills & Focus: AI, ML, data analytics, TypeScript, Node, Postgres, GraphQL, React, GCP, bio-processes
About the Company: An early-stage startup using AI/ML technology to enhance software for the scientific community, improving bio-process development.
Experience: Senior and Staff level engineers
Type: Full-time
Benefits: Remote working flexibility

Worldquant

Software Engineer London
Skills & Focus: C++, Linux, system programming, distributed systems, data structures, algorithms, high-performance applications, concurrency patterns, Python, streaming systems
About the Company: WorldQuant develops and deploys systematic financial strategies across a broad range of asset classes and global markets, seeking to produce high-quality predi…
Experience: 7 years of experience in writing production-quality code in C++ on Linux
Software Engineer London
Skills & Focus: C++, Linux, system programming, distributed systems, data structures, algorithms, high-performance applications, concurrency patterns, Python, streaming systems
About the Company: WorldQuant develops and deploys systematic financial strategies across a broad range of asset classes and global markets, seeking to produce high-quality predi…
Experience: 7 years of experience in writing production-quality code in C++ on Linux
Software Engineer London
Skills & Focus: C++, Linux, system programming, distributed systems, data structures, algorithms, high-performance applications, concurrency patterns, Python, streaming systems
About the Company: WorldQuant develops and deploys systematic financial strategies across a broad range of asset classes and global markets, seeking to produce high-quality predi…
Experience: 7 years of experience in writing production-quality code in C++ on Linux

Blockchain.Com

Senior Back-End Engineer London
Skills & Focus: software engineering, distributed backend systems, APIs, microservices, Kafka, PostgreSQL, Redis, customer experience, test coverage, reactive systems
About the Company: Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the pass…
Experience: At least 7 years experience building and shipping highly-available, fault tolerant, production ready distributed backend systems
Salary: Full-time salary based on experience and meaningful equity
Type: Full-time
Benefits: Unlimited vacation policy; work hard and take time when you need it, Apple equipment, flexible work culture, opportunit…

Ripple

Senior Engineer London
Skills & Focus: C++ development, software development lifecycle, large scale distributed systems, open-source, coding standards, testing, deployment, team leadership, blockchain technology, problem-solving
About the Company: We’re building a world where value moves like information does today. Through our crypto solutions for financial institutions, businesses, governments and deve…
Experience: 8+ years of software product development experience using C++
Salary: Competitive salary, bonuses, and equity
Type: Full-time
Benefits: Competitive benefits that cover physical and mental healthcare, retirement, family forming, and family support; Employe…

Bumble Inc.

Backend Software Engineer London
Skills & Focus: Backend, Software Engineer, recommendation engine, scalability, reliability, performance, reusability, AI-powered technologies, matching algorithms, Data and Services Group
About the Company: Bumble Inc. is an equal opportunity employer and we strongly encourage people of all ages, colour, lesbian, gay, bisexual, transgender, queer and non-binary pe…

Stripe

Software Engineer - Money Management Platform London
Skills & Focus: APIs, Large-scale systems, Money movement, Financial systems, API design, Cloud-based services, gRPC, GraphQL, Docker/Kubernetes, AWS
About the Company: Stripe is a financial infrastructure platform for businesses, enabling companies worldwide to accept payments and grow their revenue.
Experience: 2-12+ years of industry software engineering experience
Type: Full-time

Snyk

Software Engineer (GO) London
Skills & Focus: GO, Back-end Engineering, Kubernetes, cloud platforms, code quality, testing, continuous delivery, distributed systems, cloud-native, Docker
About the Company: Snyk is a developer security platform that makes it easy for development teams to find, prioritize, and fix security vulnerabilities in code, dependencies, con…
Benefits: Flexible working hours, generous vacation time, health benefits, country-specific life insurance, and mobile phone allo…

Soundcloud

Senior Backend Engineer - Media Streaming London
Skills & Focus: Backend Engineer, Media Streaming, Go, Cloud-native, Microservices, AWS, CI/CD, Data Processing, Performance, Collaboration
About the Company: SoundCloud empowers artists and fans to connect and share through music. Founded in 2007, SoundCloud is an artist-first platform empowering artists to build an…
Benefits: Interested in a gym membership, photography course or book? We have a Creativity and Wellness benefit! Employee Stock O…

H Company

Senior Back-end Engineer London
Skills & Focus: Python, backend development, REST, gRPC, APIs, cloud computing, AWS, databases, message queueing, monitoring
About the Company: H exists to push the boundaries of superintelligence with agentic AI. By automating complex, multi-step tasks typically performed by humans, AI agents will hel…
Experience: 4+ years of experience in Python backend development
Type: Full time
Benefits: Enjoy a competitive salary, unlock opportunities for professional growth, continuous learning, and career development.

Cloudflare

Full Stack Software Engineer London
Skills & Focus: Full stack, API design, Database design, Software architecture, Distributed systems, Programming languages (Go, Rust, JavaScript, PHP), SQL, Docker, Kubernetes, Observability
About the Company: At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites…
Experience: 5+ years of professional experience building and managing software applications at scale.
Salary: $137,000 - $167,000
Type: Full-time
Benefits: Cloudflare offers a complete package of benefits and programs to support you and your family, including medical, dental…

Notabene

Staff Engineer London
Skills & Focus: distributed payment systems, scalability, reliability, cryptocurrency, reg-tech, crypto transactions, high-quality code, technical direction, collaboration, complex systems
About the Company: Working across three continents in eight countries, Notabene is a remote-first and globally distributed team of 40 employees on a mission to make cryptocurrenc…

Convergence

Senior Software Engineer (Backend focus) London
Skills & Focus: Backend systems, Python, FastAPI, Cloud technologies, GCP, Azure, Scalable, LLM, Microservices, DevOps
About the Company: At Convergence, we're transforming the way AI integrates into our daily lives. Our team is developing the next generation of AI agents that don't just process …
Experience: 3+ years of experience as a backend focused software engineer
Type: Full time
Benefits: Competitive salary and benefits package

Blink

Backend Engineer London
Skills & Focus: Backend Engineer, Scala, AWS, MySQL, GitOps, Kafka, RESTful, gRPC, WebSockets, Debug and Optimise
About the Company: Blink is an employee app for frontline workers, with industry-leading engagement and a DAU of 99%. We’re dedicated to scaling our platform through precision, a…
Experience: 3+ years of experience
Salary: Competitive salary and equity allocations with significant upside potential
Type: Full-time
Benefits: Private health insurance, office in London, mentorship options, ride-to-work, pension scheme
Backend Engineer London
Skills & Focus: Backend Engineer, Scala, AWS, MySQL, GitOps, Kafka, RESTful, gRPC, WebSockets, Debug and Optimise
About the Company: Blink is an employee app for frontline workers, with industry-leading engagement and a DAU of 99%. We’re dedicated to scaling our platform through precision, a…
Experience: 3+ years of experience
Salary: Competitive salary and equity allocations with significant upside potential
Type: Full-time
Benefits: Private health insurance, office in London, mentorship options, ride-to-work, pension scheme

Reflection Ai

Technical Staff, Product London
Skills & Focus: backend development, cloud hosting, Kubernetes, Python, Golang, CI/CD pipelines, source control systems, enterprise integration, cloud platforms, APIs
Experience: 3-5 years of experience in backend development
Type: Full time
Benefits: Competitive compensation and benefits, with opportunities for professional growth

Cloudflare

Distributed Systems Engineer London
Skills & Focus: Distributed Systems, Programming Languages, System Level Programming, Continuous Integration, API Design, Debugging, Performance Optimization, Monitoring, Security Issues, Data Analysis
About the Company: At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites…
Experience: Experience with monitoring, alerting and debugging high volume production systems.
Type: Full-time

Granola

Product Engineer, Backend London
Skills & Focus: scaling, infrastructure, APIs, cloud infrastructure, TypeScript, Node.js, PostgreSQL, serverless architectures, security, performance optimization
About the Company: Granola is a company focused on building exciting solutions that unlock capabilities for a growing user base.
Experience: 5+ years of engineering experience
Type: Full-time
Benefits: Relocation assistance and compensation philosophy to pay slightly above market on salary and above market on equity.

Pleo

Senior Software Engineer London
Skills & Focus: Senior Software Engineer, Authentication, Authorization, scalable systems, cloud infrastructure, Kubernetes, OAuth, OIDC, backend languages, mentoring
About the Company: Pleo is on a mission to revolutionise the way businesses manage company spending by creating tools that promote autonomy and foster trust.
Salary: up to £86,500 in the UK; up to €92,500 in Spain/Portugal
Type: Full-time
Benefits: Pleo card, Lunch allowance, Private healthcare, 25 days of holiday, Remote working options, Mental health support, Link…

Esg Book

Senior Software Engineer London
Skills & Focus: Golang, Postgres, Kafka, infrastructure as code, Terraform, GCP, Microservices Architecture, Docker, Kubernetes, cloud-native applications
About the Company: Be part of ESG Book’s mission to make sustainability data more accessible, comparable, and transparent to help financial markets deliver a more sustainable fut…
Experience: Senior level
Type: Full-time
Benefits: Annual training budgets, comprehensive benefits, and equity options aligning your success with ours.
Senior Software Engineer London
Skills & Focus: Golang, Postgres, Kafka, infrastructure as code, Terraform, GCP, Microservices Architecture, Docker, Kubernetes, cloud-native applications
About the Company: Be part of ESG Book’s mission to make sustainability data more accessible, comparable, and transparent to help financial markets deliver a more sustainable fut…
Experience: Senior level
Type: Full-time
Benefits: Annual training budgets, comprehensive benefits, and equity options aligning your success with ours.
Senior Software Engineer London
Skills & Focus: Golang, Postgres, Kafka, infrastructure as code, Terraform, GCP, Microservices Architecture, Docker, Kubernetes, cloud-native applications
About the Company: Be part of ESG Book’s mission to make sustainability data more accessible, comparable, and transparent to help financial markets deliver a more sustainable fut…
Experience: Senior level
Type: Full-time
Benefits: Annual training budgets, comprehensive benefits, and equity options aligning your success with ours.

Monzo

Staff Engineer (L60) London
Skills & Focus: backend, technology product, distributed systems, Go, Cassandra, Kafka, AWS, Kubernetes, Docker, React
About the Company: Monzo is on a mission to make money work for everyone, simplifying banking with a focus on solving problems and changing lives through innovative financial sol…
Experience: Strong experience working on the backend of a technology product
Salary: £115,000 - £150,000
Type: Full-time
Benefits: Flexible working hours, learning budget of £1,000 a year, relocation assistance, visa sponsorship, plus stock options

Playstation

Staff Linux Network Software Engineer London
Skills & Focus: Linux Kernel networking, Kubernetes network primitives, eBPF, TCP/IP, network overlay, Kubernetes, Internet routing, C, Rust, Golang
About the Company: PlayStation isn’t just the Best Place to Play — it’s also the Best Place to Work. Today, we’re recognized as a global leader in entertainment producing The Pla…
Experience: Minimum of 10 years of relevant development experience
Type: Full-time

Wheely

Technical Lead Manager London
Skills & Focus: Technical Lead, management, backend services, Go language, cross-functional teams, technical documentation, databases, Go microservices, AWS, Jenkins
About the Company: Wheely is not a traditional ride-hailing company. We are building a platform with user privacy at its core while successfully scaling a five-star service to mi…
Experience: 3+ years of experience developing scalable and reliable backend services
Benefits: Flexible working hours, stock options, medical insurance including dental, life and critical illness insurance, lunch a…

Xai

Backend Engineer London
Skills & Focus: Kubernetes, Buildkite, ArgoCD, Prometheus, Grafana, PagerDuty, Pulumi, Terraform, Backend Services, Scalable Systems
About the Company: xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge.
Experience: Expert knowledge of Kubernetes, continuous deployment systems, monitoring technologies, and infrastructure as code technologies.
Salary: $180,000 - $440,000 USD
Type: Full-time
Benefits: Competitive cash-based compensation, xAI equity, Private health and dental insurance.

Funding Circle

Senior Software Engineer London
Skills & Focus: Clojure, Functional Programming, Microservices, Event-Driven Architecture, Apache Kafka, Collaborator, Problem Solving, Decision Engines, Distributed Systems, Communication Skills
About the Company: We back small businesses to succeed. Our mission is to help small businesses get the finance they need to grow with a game-changing platform that reshapes the …
Type: Full-time
Benefits: Private Medical Insurance, Dental Insurance, MediCash, access to free online therapy sessions, discounts across numerou…

Engine By Starling

Staff Engineer London
Skills & Focus: Backend Software Engineer, SaaS, Java, AWS, GCP, Microservice architecture, Kubernetes, DevOps, Automated testing, Technical leadership
About the Company: Engine is Starling's software-as-a-service (SaaS) business, providing technology that powers Starling Bank, split out as a separate business a year ago. It off…
Experience: Experience in delivering change to critical systems in a distributed environment, proficient developer, understanding of DevOps practices, and experience in leading technical deliveries.
Type: Full-time
Benefits: 33 days holiday, birthday holiday, increasing annual leave with service, paid volunteering, enhanced pension, life insu…
Staff Engineer London
Skills & Focus: Backend Software Engineer, SaaS, Java, AWS, GCP, Microservice architecture, Kubernetes, DevOps, Automated testing, Technical leadership
About the Company: Engine is Starling's software-as-a-service (SaaS) business, providing technology that powers Starling Bank, split out as a separate business a year ago. It off…
Experience: Experience in delivering change to critical systems in a distributed environment, proficient developer, understanding of DevOps practices, and experience in leading technical deliveries.
Type: Full-time
Benefits: 33 days holiday, birthday holiday, increasing annual leave with service, paid volunteering, enhanced pension, life insu…

Yapily

Engineering Team Leader London
Skills & Focus: open banking, web applications, APIs, Kubernetes, micro services, distributed systems, RESTful API, API-first, curious, self-starter
About the Company: Yapily is on a mission to enable innovative companies to create better and fairer financial services for everyone, through the power of open banking.
Experience: 5+ years of working experience
Benefits: 25 days holiday a year (plus bank holidays), additional holiday day after 1 years service, hybrid working, enhanced Pat…

Edited

Senior Back End Engineer London
Skills & Focus: Back-end development, Technical leadership, APIs, Data management, Infrastructure, Python, DevOps, Machine Learning, Django, Flask
About the Company: EDITED is the world’s leading AI-driven retail intelligence platform. We empower the world’s most successful brands and retailers with real-time decision makin…
Experience: 5+ years in back-end engineering roles
Benefits: Flexible working policy, remote and hybrid work options, enhanced parental leave policy, 25 days annual leave + public …

Sierra

Software Engineer, Agent London
Skills & Focus: AI agents, software development, customer engagement, technical challenges, product roadmap, React, Typescript, Go, Senior Software Engineer, customers
About the Company: At Sierra, we’re building a platform to enable every company in the world to build their own autonomous AI agents for everything from customer service to comme…
Experience: 3+ years experience in hands-on software development
Salary: £115K – £210K
Type: Full-time
Benefits: Flexible (Unlimited) Paid Time Off, Medical, Dental, and Vision benefits for you and your family, Life Insurance and Di…

Award Winning Tech-Startup

Backend Software Engineer London
Skills & Focus: Backend Software Engineer, Java, Scala, Kotlin, Python, GCP, Docker, Kubernetes, Microservices, Agile
About the Company: An Intelligence Platform that enables the gathering of billions of data points and insights for enhanced decision making.
Experience: Commercial experience with Java/Scala/Kotlin and/or Python; experience with relational and non-relational databases; data processing and distributed systems; systems design; familiarity with Docker, Kubernetes, CI/CD, and GCP; experience with Agile and TDD.
Salary: Competitive package with stock options and performance bonus
Type: Full-time
Benefits: 4-5 days work from home, competitive package, stock options, performance bonus
Backend Software Engineer London
Skills & Focus: Backend Software Engineer, Java, Scala, Kotlin, Python, GCP, Docker, Kubernetes, Microservices, Agile
About the Company: An Intelligence Platform that enables the gathering of billions of data points and insights for enhanced decision making.
Experience: Commercial experience with Java/Scala/Kotlin and/or Python; experience with relational and non-relational databases; data processing and distributed systems; systems design; familiarity with Docker, Kubernetes, CI/CD, and GCP; experience with Agile and TDD.
Salary: Competitive package with stock options and performance bonus
Type: Full-time
Benefits: 4-5 days work from home, competitive package, stock options, performance bonus
Backend Software Engineer London
Skills & Focus: Backend Software Engineer, Java, Scala, Kotlin, Python, GCP, Docker, Kubernetes, Microservices, Agile
About the Company: An Intelligence Platform that enables the gathering of billions of data points and insights for enhanced decision making.
Experience: Commercial experience with Java/Scala/Kotlin and/or Python; experience with relational and non-relational databases; data processing and distributed systems; systems design; familiarity with Docker, Kubernetes, CI/CD, and GCP; experience with Agile and TDD.
Salary: Competitive package with stock options and performance bonus
Type: Full-time
Benefits: 4-5 days work from home, competitive package, stock options, performance bonus

Chainalysis

Staff Blockchain Engineer, Protocols London
Skills & Focus: blockchain, cryptocurrency, data systems, large-scale, distributed systems, cloud, Ethereum, Bitcoin, blockchain protocols, scalability
About the Company: Chainalysis provides complete knowledge of what’s happening on blockchains through their data, services, and solutions, enabling organizations to navigate the …
Experience: 8+ years in software engineering with blockchain and cryptocurrency technologies
Salary: $165K – $250K
Type: Full-time

Monzo

Senior Staff Engineer - Growth London
Skills & Focus: user acquisition, cross-functional squads, data-driven decision making, technical leadership, high-level planning, mentoring engineers, Go, Cassandra, Kubernetes, AWS
About the Company: We’re waving goodbye to the complicated and confusing ways of traditional banking. With our hot coral cards and get-paid-early feature, combined with financial…
Experience: Experience in technical leadership across multiple teams, solving complex optimization problems, and collaborating with marketing and data stakeholders.
Salary: £140,000 - £165,000 + Share Options
Type: Full-time
Benefits: £1,000 learning budget, flexible working hours, relocation support, visa sponsorship, home office setup support, and mo…

Sony Interactive Entertainment

Lead Engineer, APIs & Services London
Skills & Focus: backend services, APIs, mobile game development, cloud infrastructure, service security, CI/CD pipeline, software architecture, API design, containerized services, data privacy
About the Company: PlayStation isn’t just the Best Place to Play — it’s also the Best Place to Work. Today, we’re recognized as a global leader in entertainment producing The Pla…
Experience: 8+ years

Monzo

Senior Engineer (L50) London
Skills & Focus: backend engineer, collaboration, product mindset, distributed systems, strongly-typed languages, Go, Cassandra, Kafka, Kubernetes, AWS
About the Company: Monzo is on a mission to make money work for everyone, innovating beyond traditional banking with features like their hot coral cards and financial education o…
Experience: Strong experience working on the backend of a technology product
Salary: £95,000 - £130,000
Type: Full-time
Benefits: Flexible working hours, learning budget of £1,000 a year, relocation assistance, visa sponsorship, stock options, and m…

Wiz

Expert Backend Engineer London
Skills & Focus: cloud security, backend software, Golang, AWS, GCP, microservices, CI/CD, databases, distributed components, cross-functional teams
About the Company: Wiz is on a mission to help organizations secure cloud environments that will accelerate their businesses. Trusted by security teams all over the world, we hav…
Experience: 8+ years of experience with Backend Engineering

Lightning Ai

Fullstack Engineer London
Skills & Focus: Fullstack Engineer, React, Golang, SaaS technology, Software quality, Technical direction, End-to-end development, Collaboration, Machine-learning, Continuous delivery
About the Company: Lightning AI is the company reimagining the way AI is built. After creating and releasing PyTorch Lightning in 2019, Lightning AI was launched to reshape the d…
Experience: Hands-on experience as a full stack engineer in a SaaS technology company
Salary: Competitive base salaries and stock options
Type: Full-time
Benefits: Medical, dental and vision, Life and AD&D insurance, Flexible paid time off plus 1 week of winter closure, Generous pai…

Gbg

Lead Engineer London
Skills & Focus: Software engineering, C#, Go, Cloud systems, Kubernetes, SQL Server, MongoDB, GitOps, Real-time applications, Legacy codebases
About the Company: Enabling safe and rewarding digital lives for genuine people, everywhere. We make it our mission to ensure more genuine people have digital access to opportuni…

Engine By Starling

Backend Software Engineer London
Skills & Focus: Backend Software Engineer, Java, AWS, GCP, Microservice architecture, Kubernetes, CI/CD, Clean coding, Automated testing, Continuous deployment
About the Company: Engine is Starling's software-as-a-service (SaaS) business, built to power Starling Bank. It has split out as a separate business that provides modern technolo…
Experience: Open-minded with a willingness to learn; Specific experience not strictly required
Type: Hybrid
Benefits: 33 days holiday including public holidays, extra day off for birthday, increased leave with service, paid volunteering …
Backend Software Engineer London
Skills & Focus: Backend Software Engineer, Java, AWS, GCP, Microservice architecture, Kubernetes, CI/CD, Clean coding, Automated testing, Continuous deployment
About the Company: Engine is Starling's software-as-a-service (SaaS) business, built to power Starling Bank. It has split out as a separate business that provides modern technolo…
Experience: Open-minded with a willingness to learn; Specific experience not strictly required
Type: Hybrid
Benefits: 33 days holiday including public holidays, extra day off for birthday, increased leave with service, paid volunteering …

H Company

Senior Full-stack Engineer London
Skills & Focus: Python, Flask, Django, REST, gRPC, Cloud Computing, AWS, CI/CD, Docker, Monitoring
About the Company: H exists to push the boundaries of superintelligence with agentic AI. By automating complex, multi-step tasks typically performed by humans, AI agents will hel…
Experience: 4+ years of experience in Python backend development and frontend frameworks
Type: Full time
Benefits: Competitive salary, opportunities for professional growth, continuous learning, and career development.

Forter

Senior Infrastructure Engineer London
Skills & Focus: database solutions, scalability, low latency, high throughput, geo-distributed, relational databases, NoSQL databases, AWS infrastructure, performance optimization, database infrastructure
About the Company: Forter is a company specializing in digital commerce trust and fraud prevention, leveraging a Decision Engine to analyze over a billion identities to detect fr…

Nala

Senior Backend Engineer London
Skills & Focus: Backend Engineer, Go, API, Payments, Event-driven architectures, RDBMS, Agile, Cloud environment, Fintech, Digital payment systems
About the Company: NALA is building payments for the Next Billion, transforming how money moves into Africa and Asia by creating cutting-edge payment solutions.
Experience: At least 5+ years of experience building highly reliable and scalable backend services in Go.
Type: Full-time
Benefits: 35 Days Off, Birthday Leave, Enhanced Parental Leave, Global Workspace access, $1000 Learning Budget annually, Hybrid W…
Senior Backend Engineer London
Skills & Focus: Backend Engineer, Go, API, Payments, Event-driven architectures, RDBMS, Agile, Cloud environment, Fintech, Digital payment systems
About the Company: NALA is building payments for the Next Billion, transforming how money moves into Africa and Asia by creating cutting-edge payment solutions.
Experience: At least 5+ years of experience building highly reliable and scalable backend services in Go.
Type: Full-time
Benefits: 35 Days Off, Birthday Leave, Enhanced Parental Leave, Global Workspace access, $1000 Learning Budget annually, Hybrid W…

Cryptio

Software Engineer London
Skills & Focus: TypeScript, PostgreSQL, Kubernetes, AWS, Nest.js, Node.js, communication, Docker, GitLab, financial challenges
About the Company: Cryptio is a data heavy product, with performance and architectural challenges in finance and accounting related products for businesses with intensive crypto …
Experience: 5+ years of experience writing software
Type: Full-time
Benefits: Fully-Remote / Hybrid – The choice is yours! 25 Days Paid Holiday + Bank Holidays + Your Birthday Off; Earn an extra da…
Software Engineer London
Skills & Focus: TypeScript, PostgreSQL, Kubernetes, AWS, Nest.js, Node.js, communication, Docker, GitLab, financial challenges
About the Company: Cryptio is a data heavy product, with performance and architectural challenges in finance and accounting related products for businesses with intensive crypto …
Experience: 5+ years of experience writing software
Type: Full-time
Benefits: Fully-Remote / Hybrid – The choice is yours! 25 Days Paid Holiday + Bank Holidays + Your Birthday Off; Earn an extra da…

Ripple

Senior Software Engineer London
Skills & Focus: software development, trading systems, large-scale distributed systems, Java, Golang, Scala, Agile methodologies, microservices, software architecture, mentoring
About the Company: Ripple is building a world where value moves as information does, providing crypto solutions to improve the global financial system.
Experience: 5+ years of hands-on software development experience in trading or financial systems
Benefits: Competitive salary, bonuses, comprehensive benefits covering healthcare, retirement, and generous vacation policies.