Last updated: 2025-05-22

88 Backend Software Engineer jobs in London.

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

🔥 Skills

Kubernetes (32) Python (22) AWS (19) Docker (17) distributed systems (17) GCP (16) Golang (13) APIs (12) Kafka (12) Java (12)

📍 Locations

London (88)
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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,…

Ripple

Staff Software Engineer London
Skills & Focus: software engineering, trading systems, distributed systems, Java, Golang, Scala, microservices, CI/CD, Kubernetes, Agile
About the Company: Ripple is a company that builds crypto solutions for financial institutions, businesses, governments, and developers, improving the global financial system.
Experience: 8+ years of hands-on software development experience in the trading domain, building large-scale distributed systems, with 6+ years in Java or similar languages like Golang or Scala.
Benefits: Competitive salary, bonuses, and equity; competitive benefits that cover physical and mental healthcare, retirement, fa…

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

Pleo

Senior Backend Engineer London
Skills & Focus: Backend Engineer, Kotlin, microservices, cloud environments, DevOps, relational databases, testing frameworks, observability, technical debt, code reviews
About the Company: Pleo helps companies manage their finances by allowing employees to spend responsibly. They promote a culture of trust and transparency, with a focus on teamwo…
Experience: Extensive experience in server-side languages and solving complex technical challenges at scale.
Salary: 87,000€-93,000€ (Spain/Portugal); £79,000-£83,000 (United Kingdom)
Type: Full-time
Benefits: Pleo card, lunch allowance, private health insurance, flexibility/remote working, option to purchase additional holiday…

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

Conduktor

Software Engineer London
Skills & Focus: Backend Engineer, Java, Scala, Kafka, data streaming, REST, GraphQL, OpenAPI, Customer Success, enterprise-scale
About the Company: Conduktor is an Enterprise Data Management (EDM) platform that specialises in streaming.
Type: Full-time
Benefits: Stock options, 25 days PTO + public holidays, top-tier private health insurance package, employee referral scheme, comp…

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…

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…

Trilitech

Software Engineer - Blockchain Infrastructure London
Skills & Focus: blockchain, infrastructure, dApps, DevOps, smart contracts, full-stack, JavaScript, cloud, Web3.js, EVM
About the Company: At Trilitech, we drive innovation in Web3 by empowering developers and creators to build pioneering solutions on the Tezos blockchain. Our expertise spans core…
Type: Full time
Benefits: Competitive salary with substantial incentive schemes, hybrid working environment, daily lunch provided in-office, comm…

Monzo

Senior Staff Engineer London
Skills & Focus: technical leadership, optimisation problems, customer support tooling, workforce management systems, Go, Cassandra, Kafka, Kubernetes, AWS, Machine Learning
About the Company: Monzo provides tech-led and human support experiences for over 10 million customers, focusing on improving customer satisfaction and product engagement through…
Experience: Technical leadership across multiple teams, experience in solving complex optimisation problems, and delivering resilient systems.
Salary: £140,000 - £165,000 + Share Options
Type: Full-time
Benefits: Flexible working hours, £1,000 learning budget per year, relocation support, visa sponsorship, and extensive employee s…

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

Speakeasy

Product Designer London
Skills & Focus: developer experience, API, Golang, Typescript, CLI, user experience, design, Figma, GitHub, OpenAPI
About the Company: At Speakeasy we’re building the API supply chain. We aim to give all of our customers a stripe-like developer experience through best in class developer surfac…
Experience: Experience working on developer products and internal platform products; expertise with design tools including Figma; proficiency with Typescript, React, and CSS.
Type: Remote-first
Benefits: Flexible remote work arrangements; opportunities for in-person collaboration; backed by top-tier VCs and angel investor…
Product Designer London
Skills & Focus: developer experience, API, Golang, Typescript, CLI, user experience, design, Figma, GitHub, OpenAPI
About the Company: At Speakeasy we’re building the API supply chain. We aim to give all of our customers a stripe-like developer experience through best in class developer surfac…
Experience: Experience working on developer products and internal platform products; expertise with design tools including Figma; proficiency with Typescript, React, and CSS.
Type: Remote-first
Benefits: Flexible remote work arrangements; opportunities for in-person collaboration; backed by top-tier VCs and angel investor…

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…

Visa

Software Engineer London
Skills & Focus: distributed systems, payment technology, scalability, security, reusability, agile, scalable products, real-time payments, cryptography, development languages
About the Company: Visa's Technology Organization is a community of problem solvers and innovators reshaping the future of commerce.

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…

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

Algolia

Engineering Manager - AI Search Group London
Skills & Focus: Engineering Manager, AI Search, Agile methodology, Technical direction, Mentoring engineers, Data-driven decisions, API challenges, Go, Python, High availability
About the Company: Algolia is a fast-growing company that helps users deliver an intuitive search-as-you-type experience on their websites and mobile apps. We provide a search AP…
Experience: 2+ years of engineering management experience and 5+ years of engineering experience
Type: Remote or Hybrid
Benefits: Flexible workplace strategy with remote work options and an emphasis on individual impact over location.

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…

Vivacity

Junior Full-Stack Engineer London
Skills & Focus: JavaScript, Node.js, Typescript, Go, Git, Cloud, Docker, Kubernetes, SQL, Problem-solving
About the Company: At VivaCity, we make cities smarter, safer, and more sustainable using the latest in AI and IoT technologies. We have over 6,000 AI sensors around the world, g…
Salary: £40k - £55K
Type: Full time

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

Blockchain.Com

Software Engineer London
Skills & Focus: Blockchain, Software Engineer, C++, Rust, Python, SQL, Order Management System, trading systems architecture, low latency, high throughput
About the Company: Blockchain is the world's leading software platform for digital assets. Founded in 2011, we provide the world’s largest and most trusted production blockchain …
Experience: Experience in C++ and/or Rust, Python, SQL, and familiarity with trading systems architecture.
Salary: Full-time salary based on experience and meaningful equity
Type: Full-time
Benefits: Hybrid model working from home & our office in Central London, Work from Anywhere Policy, ClassPass, Budgets for learni…

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.

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…

Marshmallow

Senior Backend Engineer London
Skills & Focus: Java, Spring Boot, microservices, AWS Fargate, System Reliability, Engineering, Automation, Product Delivery, Microservices Architecture, Scalability
About the Company: We build financial products that accelerate the economic freedom for people who move across borders.
Experience: 6+ years of software engineering experience
Type: Full-time
Benefits: Flexible working, Sabbatical Leave, Bonus scheme, Flexible benefits budget, Learning and development budget, Mental wel…

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

Reflection Ai

Technical Staff, Infrastructure London
Skills & Focus: AI, infrastructure, GPU, scalable, high-performance, Reinforcement Learning, C++, Rust, distributed systems, production-ready
Experience: Extensive experience building large-scale, high-performance solutions in the AI or software engineering domain.
Type: Full time
Benefits: Competitive compensation and benefits.

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…