Last updated: 2025-05-22

92 Backend Engineer jobs in London.

Hiring now: Sr Software Engr @ Esuregroup, Sr Software Engr @ Blockchain, Software Dev @ Cryptocom, Engr Open Banking Apis @ Yapily, Sr Kdb Engr @ Version1, Sr Python Software Engr @ Abound, Sr Software Engr @ Kraken, Sr Backend Engr @ Pleo, Sr Software Engr Backend @ Blacklane, Sr Software Engr @ Snyk.Explore more at at kaamvaam.com

🔥 Skills

AWS (21) Python (20) APIs (14) Backend Engineer (14) Kubernetes (13) scalability (11) PostgreSQL (11) distributed systems (10) Docker (10) Kafka (9)

📍 Locations

London (91) Reigate (1)
🔍 Go to full job search

Esuregroup

Senior Software Engineer Reigate
Skills & Focus: backend development, Java, cloud technologies, Agile, microservices, customers, systems, scalability, distributed systems, high availability

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

Crypto.Com

Software Developer London
Skills & Focus: software development, frontend UI, backend infrastructure, high-performance software, low-latency, real-time system, performance, reliability, derivatives exchange, regulated trading
About the Company: Crypto.com is a platform offering a wide range of products and services related to cryptocurrency, including trading and exchange facilities. It has acquired N…
Type: Full-time
Software Developer London
Skills & Focus: software development, frontend UI, backend infrastructure, high-performance software, low-latency, real-time system, performance, reliability, derivatives exchange, regulated trading
About the Company: Crypto.com is a platform offering a wide range of products and services related to cryptocurrency, including trading and exchange facilities. It has acquired N…
Type: Full-time

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,…

Version1

Senior kdb+ Engineer London
Skills & Focus: kdb+, engineer, technical, support, customer, growth, contributor, engineering, talented, global

Abound

Senior Python Software Engineer London
Skills & Focus: Python, Open Banking, software engineering, async Python, SQL, Docker, AWS, business processes, collaboration, data management
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…
Experience: Seven or more years professional experience in software engineering
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…
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…

Snyk

Senior Software Engineer London
Skills & Focus: software engineer, high-quality solutions, microservice back-ends, web APIs, software testing, code quality, mentorship, algorithms, scalable systems, collaborative communication
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: At least 7 years of commercial experience as a Software Engineer.
Benefits: Flexible working hours, work-from-home allowances, in-office perks, and time off for learning and self-development; Gen…

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…

Multiverse

Senior Software Engineer London
Skills & Focus: Software Engineering, cross functional teams, engineering excellence, scalable systems, event driven systems, collaborative environment, development lifecycle, Python, Typescript, AWS
About the Company: Multiverse is the upskilling platform for AI and Tech adoption, partnering with 1,500+ companies in the US & UK to deliver transformative learning experiences.
Experience: 5+ years of experience working in cross functional product teams
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…

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…

Capco

SENIOR BACKEND ENGINEER - JAVA London
Skills & Focus: Java Development, Spring Boot, Cloud Services, Architecture Patterns, CI/CD, Database Management, Message Brokers, Testing, Infrastructure as Code, Security Best Practices
About the Company: Capco is a global technology and business consultancy, focused on the financial services sector. We are passionate about helping our clients succeed in an ever…
Benefits: Enhanced and competitive family friendly benefits, including maternity / adoption / shared parental leave and paid leav…

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…

Cryptio

Software Engineer London
Skills & Focus: Software Engineer, TypeScript, Rust, PostgreSQL, OLAP databases, system optimisation, data-heavy products, high-performance systems, financial data processing, cryptocurrency accounting
About the Company: Cryptio is developing crypto, finance, and accounting reconciliation products, focusing on solving complex accounting and financial challenges in the cryptocur…
Experience: 5+ years of software engineering experience
Type: Fully-Remote / Hybrid
Benefits: Fully-Remote / Hybrid options, 25 Days Paid Holiday + Bank Holidays + Your Birthday Off, extra day of annual leave for …
Software Engineer London
Skills & Focus: Software Engineer, TypeScript, Rust, PostgreSQL, OLAP databases, system optimisation, data-heavy products, high-performance systems, financial data processing, cryptocurrency accounting
About the Company: Cryptio is developing crypto, finance, and accounting reconciliation products, focusing on solving complex accounting and financial challenges in the cryptocur…
Experience: 5+ years of software engineering experience
Type: Fully-Remote / Hybrid
Benefits: Fully-Remote / Hybrid options, 25 Days Paid Holiday + Bank Holidays + Your Birthday Off, extra day of annual leave for …

$20 Million Seed Stage Start-Up

Engineering Hire London
Skills & Focus: grocery delivery, engineering, start-up, tech stack, architectural decisions, growth, expansion, innovation, drive, grit
About the Company: This is an amazing opportunity to join a $20 million seed stage start-up where you'll be one of the first permanent engineering hires.
Engineering Hire London
Skills & Focus: grocery delivery, engineering, start-up, tech stack, architectural decisions, growth, expansion, innovation, drive, grit
About the Company: This is an amazing opportunity to join a $20 million seed stage start-up where you'll be one of the first permanent engineering hires.
Engineering Hire London
Skills & Focus: grocery delivery, engineering, start-up, tech stack, architectural decisions, growth, expansion, innovation, drive, grit
About the Company: This is an amazing opportunity to join a $20 million seed stage start-up where you'll be one of the first permanent engineering hires.

Visa

Software Engineer London
Skills & Focus: distributed systems, payments, cyber security, global scale, scalability, security, reusability, payment technology, transaction platforms, real-time payments
About the Company: Visa’s Technology Organization is a community of problem solvers and innovators reshaping the future of commerce. It operates the world’s most sophisticated pr…

Choreograph

Mid Developer, Prototyping London
Skills & Focus: Prototyping, Data pipelines, Machine learning models, Web applications, Data Science, Python, Cloud platforms, APIs, Technical documentation, Mentorship
About the Company: WPP’s global data products and technology company focused on transforming marketing through data platforms.
Experience: 3-4 years of experience in software development, data science, or a related field
Tech Lead, Back End London
Skills & Focus: backend systems, scalability, performance, APIs, cloud platforms, DevOps, CI/CD, SQL, NoSQL, team leadership
About the Company: WPP’s global data products and technology company, focused on transforming marketing through data platforms and AI-enabled media and data solutions.
Experience: 7+ years of professional experience in backend development, with at least 2+ years in a leadership or mentoring role.

Veeva Systems

Mid to Senior Python Engineer London
Skills & Focus: Python, Elasticsearch, GraphQL, AWS, Django, web applications, new product development, architecting, innovative technology, complex problems
About the Company: Veeva Systems is a mission-driven organization and pioneer in industry cloud, helping life sciences companies bring therapies to patients faster. As one of the…
Experience: Mid to Senior level
Type: Full-time
Benefits: Work Anywhere model, flexibility to work from home or in the office

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…

Drw

Crypto Middle Office Engineer London
Skills & Focus: full-stack software systems, trading systems, exchange connectivity, Java, Python, network communication, micro-service architectures, API design, transactional systems, on-call support
About the Company: DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets aro…
Experience: 5+ years of professional Java, 3+ years of professional script development experience, preferably Python.

Visa

Software Engineer London
Skills & Focus: scalability, security, distributed systems, payment flows, cyber security, B2C platforms, design, development, agile, scalability
About the Company: Visa's Technology Organization is a community of problem solvers and innovators reshaping the future of commerce.

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

Maven

Front Office C# Developer London
Skills & Focus: C#, .NET, CI/CD, Docker, Kubernetes, JavaScript, TypeScript, Python, MongoDB, PostgreSQL
About the Company: Maven is a market-leading proprietary trading firm allocating internal capital across discretionary, systematic, and market-making strategies. Our collective e…
Benefits: Competitive compensation, Annual discretionary bonus, 25 days’ annual leave, Informal dress code, Private healthcare an…

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…

Fresha

Senior Staff Backend Engineer London
Skills & Focus: Backend Engineer, Technical Vision, Strategy, Execution, Technical Risks, Fast-paced, Collaborative Environment, Autonomous Work, Impact, Teamwork
About the Company: Fresha is the leading marketplace platform for beauty & wellness trusted by millions of consumers and businesses worldwide. Fresha is used by 110,000+ business…
Type: Full-time
Benefits: Flexible remote work one day a week, dog-friendly office.
Senior Staff Backend Engineer London
Skills & Focus: Backend Engineer, Technical Vision, Strategy, Execution, Technical Risks, Fast-paced, Collaborative Environment, Autonomous Work, Impact, Teamwork
About the Company: Fresha is the leading marketplace platform for beauty & wellness trusted by millions of consumers and businesses worldwide. Fresha is used by 110,000+ business…
Type: Full-time
Benefits: Flexible remote work one day a week, dog-friendly office.

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

Capco

Backend Engineer - Java London
Skills & Focus: Java Development, Spring Boot, CI/CD, Microservices, Agile, Cloud Services, Database Management, Testing, Infrastructure as Code, Event-driven architecture
About the Company: Capco is a global technology and business consultancy, focused on the financial services sector. We are passionate about helping our clients succeed in an ever…
Experience: 2-5 years
Benefits: Enhanced family friendly benefits, including maternity/adoption/shared parental leave and paid leave for sickness, preg…

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

Choreograph, An Affiliate Of Groupm

Director, Engineering London
Skills & Focus: data-driven, software engineers, API design, scalable systems, automation, micro-frontend architecture, enterprise scale, high concurrency, LLM-based software, agile development
About the Company: Choreograph is a global data products and technology company, purpose-built for an era that demands a new approach to data management, usage, and brand growth.…

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…

Stripe

Software Engineer – Payments and Risk (Backend/Frontend Fullstack) London
Skills & Focus: API, scaling, payments, risk, API Design, Large-scale systems, Money movement, distributed teams, collaboration, API
About the Company: Stripe is a financial infrastructure platform for businesses that offers payment processing, revenue growth, and other financial services globally.
Experience: 2-12+ years of industry software engineering experience

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…

Capital On Tap

Senior Backend Software Engineer London
Skills & Focus: C#, .Net, .Net Core, SQL Server, Unit Testing, Integration Testing, Agile, Cloud, Azure, GCP
About the Company: Capital on Tap was founded with the mission to help small business owners and make their lives easier. Today, we provide an all-in-one business credit card & s…
Experience: 6+ years hands-on experience in C#, .Net Core, SQL Server
Type: Hybrid

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…

Klaviyo

Software Engineer, i18n Platform London
Skills & Focus: software engineering, internationalisation, translations, full stack application development, CI/CD pipelines, database design, performance issues, collaboration, microservices architectures, cloud provider
About the Company: Klaviyo empowers creators to own their destiny by making first-party data accessible and actionable like never before. They focus on nurturing personalized exp…
Experience: 2-5 years of experience in a software engineering discipline
Salary: $120,000 - $180,000 USD
Type: Full-time
Benefits: Total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OT…

Qih Group

Senior Back End Engineer London
Skills & Focus: Back End Engineer, Node.js, Express.js, RESTful APIs, microservices, CI/CD, Docker, performance optimisation, SQL, NoSQL
About the Company: QiH is a fast-growing, innovative, and progressive scale-up business headquartered in London with a collective of brilliant brains in Skopje. We are at the sta…
Experience: Extensive experience with Node.js, Express.js, and back-end development best practices.
Type: Full time
Benefits: Competitive Basic Salary, Quarterly Bonuses, Hybrid working, Private Health Care (Bupa), Market Leading Training Progra…

Axon

SOFTWARE ENGINEER II London
Skills & Focus: software development, cloud-based systems, Java, React, Docker, Kubernetes, Agile, frontend technologies, SQL, NoSQL
About the Company: At Axon, we’re on a mission to Protect Life. We’re explorers, pursuing society’s most critical safety and justice issues with our ecosystem of devices and clou…
Experience: 5+ years of professional software development experience
Benefits: Competitive Base Salary, Annual Bonus and Restricted Stock Unit Eligibility, Comprehensive Pension Plan with Matching C…

Lindus Health

Senior Software Engineer London
Skills & Focus: clinical trials, software engineer, frontend, backend, TypeScript, Python, Django, AWS, product development, startup
About the Company: Lindus Health is focused on improving the clinical trial infrastructure using software to help innovative companies run faster, more reliable, and patient-frie…
Experience: 4+ years
Type: Full time
Benefits: Competitive salary, meaningful stock options, flexible working, unlimited holidays, wellness allowance, access to gym a…

Choreograph, An Affiliate Of Groupm

Director, Engineering London
Skills & Focus: Data-driven products, Software engineering, API design, Scalable systems, System integrations, Agile development, Cloud computing, Micro-frontend architecture, LLM-based solutions, High concurrency
About the Company: Choreograph is a global data products and technology company, purpose-built for an era that demands a new approach to data management, usage, and brand growth,…
Experience: At Least 3 + years’ experience in leading teams & 5 + years’ experience as a software developer

Dataiku

Software Engineer (Remote/Onsite) London
Skills & Focus: AI, SaaS, cloud platforms, Python, Flask, VueJS, distributed systems, code simplicity, user experience, high-growth environment
About the Company: Dataiku is pioneering the future of AI with a platform that makes data actionable and accessible. They enable collaboration between data experts and domain exp…
Experience: Significant experience in one or more programming languages (Java, Python, Scala, Node.JS, etc.)
Type: Full-time

Quantcast

Senior Software Engineer London
Skills & Focus: Platform Reliability, Real-Time Bidding, systems, automation, engineering teams, distributed systems, high-scalable systems, code, design systems, technology alternatives
About the Company: At Quantcast, we're redefining what's possible in digital advertising. As a global Demand Side Platform (DSP) powered by AI, we help marketers connect with the…

Palantir

Backend Software Engineer London
Skills & Focus: Backend Software Engineering, Data-driven decisions, APIs, Performance tuning, System architecture, Collaboration, Cross-functional capabilities, Software efficiency, Scalability, Product development
About the Company: Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empo…
Backend Software Engineer London
Skills & Focus: Backend Software Engineering, Data-driven decisions, APIs, Performance tuning, System architecture, Collaboration, Cross-functional capabilities, Software efficiency, Scalability, Product development
About the Company: Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empo…

Capco

Principal Backend Engineer - Java London
Skills & Focus: Java, Spring Boot, Cloud Services, AWS, Microservices, CI/CD, Databases, Kafka, Security, Distributed Systems
About the Company: Capco is a global technology and business consultancy, focused on the financial services sector. We are passionate about helping our clients succeed in an ever…

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…

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

Thoughtworks

Lead Developer - Backstage Support London
Skills & Focus: Continuous delivery, Microservices, DevOps, Backstage, Cloud infrastructure, Kubernetes, Object-Oriented programming, Agile methodologies, Customer success, Open source
About the Company: Thoughtworks is a dynamic and inclusive community of bright and supportive colleagues who are revolutionizing tech. As a leading technology consultancy, we’re …

Zego

Staff Backend Engineer London
Skills & Focus: backend systems, Python, architecture, technical strategy, mentoring, scalability, collaboration, machine learning, leadership, technical excellence
About the Company: At Zego, we know that traditional motor insurance holds good drivers back. It’s too complicated, too expensive, and it doesn't take into account how well you a…
Type: Full-time
Benefits: market-competitive salary, private medical insurance, company share options, generous holiday allowance, and wellbeing …

Monzo

Senior Staff Engineer London
Skills & Focus: search products, machine learning, technical leadership, resilient systems, cross-functional team, data-informed decisions, consumer products, scaling search, search ranking, architectural discussions
About the Company: Monzo is reimagining banking, focusing on solving problems for customers through innovative services and excellent customer service.
Experience: Deep experience building, scaling, and tuning complex search products.
Salary: £140,000 - £165,000 + Share Options
Type: Full-time
Benefits: Flexible working hours, £1,000 learning budget, relocation assistance, sponsored visa, remote work setup support, and m…

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…

Spotify

Backend Engineer London
Skills & Focus: Backend Engineer, core infrastructure, customer support, agile environment, technical innovation, scalable solutions, account management, data pipelines, operational automation, collaborative teams
About the Company: Spotify is a leading audio streaming platform that offers music and podcast services, catering to millions of users worldwide with innovative technology.
Experience: 3+ years in backend development
Type: Full-time
Backend Engineer London
Skills & Focus: Backend Engineer, core infrastructure, customer support, agile environment, technical innovation, scalable solutions, account management, data pipelines, operational automation, collaborative teams
About the Company: Spotify is a leading audio streaming platform that offers music and podcast services, catering to millions of users worldwide with innovative technology.
Experience: 3+ years in backend development
Type: Full-time
Backend Engineer London
Skills & Focus: Backend Engineer, core infrastructure, customer support, agile environment, technical innovation, scalable solutions, account management, data pipelines, operational automation, collaborative teams
About the Company: Spotify is a leading audio streaming platform that offers music and podcast services, catering to millions of users worldwide with innovative technology.
Experience: 3+ years in backend development
Type: Full-time

Engine By Starling

Database Engineer London
Skills & Focus: Database design, Performance tuning, Cloud database management, AWS, PostgreSQL, Monitoring and alerting, Disaster recovery, Security best practices, Database compliance, Infrastructure as Code
About the Company: Engine is Starling's software-as-a-service (SaaS) business, providing banking technology to banks and financial institutions worldwide.
Experience: Proven experience working as a DBA with performance tuning and optimization.
Type: Full-time
Benefits: 33 days holiday (including public holidays), extra day for birthday, annual leave increases with service, 16 hours paid…
Database Engineer London
Skills & Focus: Database design, Performance tuning, Cloud database management, AWS, PostgreSQL, Monitoring and alerting, Disaster recovery, Security best practices, Database compliance, Infrastructure as Code
About the Company: Engine is Starling's software-as-a-service (SaaS) business, providing banking technology to banks and financial institutions worldwide.
Experience: Proven experience working as a DBA with performance tuning and optimization.
Type: Full-time
Benefits: 33 days holiday (including public holidays), extra day for birthday, annual leave increases with service, 16 hours paid…

Bumble Inc.

Staff Engineer London
Skills & Focus: Trust and Safety, Senior Individual Contributor, Technical Direction, Collaboration, Machine Learning, Data Scientists, Community Safety, Harmful Behaviour, Operational Tooling, Inclusivity
About the Company: Bumble is a global dating and social networking platform with a mission to create a world where all relationships are healthy and equitable through kind connec…
Benefits: Equal opportunity employer; encourages diverse applicants.

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.

Cleo

Staff Engineer (Ruby on Rails) London
Skills & Focus: Ruby on Rails, cross-functional collaboration, agile methodologies, mentorship, APIs, data analysis, feature delivery, technical insight, user research, financial health
About the Company: Most people come to Cleo to do work that matters. Every day, we empower people to build a life beyond their next paycheck, building a beloved AI that enables y…
Experience: 5+ years of industry experience with Ruby on Rails
Salary: £109,763 - £131,626 base + equity
Type: Full-time
Benefits: Competitive compensation package, clear progression plan, flexible working arrangements, hybrid-first work environment,…

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…

Intropic

Software Engineer London
Skills & Focus: fin-tech, data processing, Python, debugging, infrastructure, start-up, software products, information economy, strategic planning, product development
About the Company: A fin-tech start-up backed by leading venture capitalists, focused on developing information and data processing software products. The company aims to unlock …
Experience: Experience in debugging Python and deploying infrastructure changes, comfortable with open-ended problems.
Type: Full-time

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

Citymapper

Engineering Manager London
Skills & Focus: backend systems, real-time transport data, scalable, reliable systems, cloud computing, data infrastructure, data quality, AWS, Kubernetes, data warehousing
About the Company: Citymapper (powered by Via) offers a real-time transportation app that helps millions of people navigate cities efficiently, combining various modes of transpo…
Experience: 4+ years managing a team; 8+ years in software engineering or data science
Benefits: Competitive compensation including stock options, health scheme through AXA, office near Chancery Lane, weekly team lun…

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…