Last updated: 2025-05-22

55 Java Backend Development jobs in London.

Hiring now: Software Engr @ Esure, Sr Software Engr @ Esuregroup, Jr Java Dev @ Worldfirst, Sr Backend Engr @ Pleo, Software Engr @ Conduktor, Backend Engr @ Writer, Sr Backend Engr Java @ Capco, Software Engr Customer Id @ Starling B, Java Dev @ Konrad, Pega Engr @ Shawbrook.Explore more at at kaamvaam.com

🔥 Skills

Java (38) AWS (12) Agile (11) microservices (11) Spring Boot (11) Microservices (11) Docker (11) CI/CD (10) Kotlin (9) Kubernetes (9)

📍 Locations

London (53) Reigate (2)

Esure

Skills & Focus: Software Development Lifecycle, Agile, backend development, Java, digital products, technical direction, high-quality code, support, technical quality, collaboration
About the Company: esure is a technology-driven company dedicated to designing, building, and supporting innovative technical products and services that drive high-level digital …
Experience: Extensive backend development experience with Java
Type: Full-time

Esuregroup

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

Worldfirst

Skills & Focus: Java, Spring, Spring Boot, SQL, RESTful APIs, Agile, DevOps, CI/CD, code reviews, technical documentation
About the Company: WorldFirst is an international payments business helping move money around the world. We became part of Ant Group in 2019, accelerating our mission to create t…
Experience: Entry-level to mid-level
Type: Full-time

Pleo

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…

Conduktor

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…

Writer

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…

Capco

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…

Starling Bank

Skills & Focus: Java, AWS, Postgres, Microservices, Kubernetes, TeamCity, Continuous Deployment, Clean Coding, Automated Testing, Fintech
About the Company: Starling is the UK’s first and leading digital bank on a mission to fix banking, employing more than 3,000 people across London, Southampton, Cardiff and Manch…
Experience: Experience in Java development; open to candidates with varying experience levels; mentorship opportunities available.
Type: Full-time
Benefits: 25 days holiday, an extra day’s holiday for your birthday, increased annual leave with service, paid volunteering time,…
Skills & Focus: Java, AWS, Postgres, Microservices, Kubernetes, TeamCity, Continuous Deployment, Clean Coding, Automated Testing, Fintech
About the Company: Starling is the UK’s first and leading digital bank on a mission to fix banking, employing more than 3,000 people across London, Southampton, Cardiff and Manch…
Experience: Experience in Java development; open to candidates with varying experience levels; mentorship opportunities available.
Type: Full-time
Benefits: 25 days holiday, an extra day’s holiday for your birthday, increased annual leave with service, paid volunteering time,…

Konrad

Skills & Focus: Java, Spring Boot, web application development, React, Angular, APIs, relational databases, NoSQL databases, cloud environments, GraphQL
About the Company: Konrad is a next generation digital consultancy dedicated to solving complex business problems for global clients with creative and forward-thinking solutions.…
Experience: 1-3 years experience building and delivering modern production-grade web applications in a team environment.
Type: Full-time
Benefits: Comprehensive Health & Wellness Benefits Package, Socials, Outings & Retreats, Retirement Planning, Parental Leave Prog…
Skills & Focus: Java, Spring Boot, web application development, React, Angular, APIs, relational databases, NoSQL databases, cloud environments, GraphQL
About the Company: Konrad is a next generation digital consultancy dedicated to solving complex business problems for global clients with creative and forward-thinking solutions.…
Experience: 1-3 years experience building and delivering modern production-grade web applications in a team environment.
Type: Full-time
Benefits: Comprehensive Health & Wellness Benefits Package, Socials, Outings & Retreats, Retirement Planning, Parental Leave Prog…
Skills & Focus: Java, Spring Boot, web application development, React, Angular, APIs, relational databases, NoSQL databases, cloud environments, GraphQL
About the Company: Konrad is a next generation digital consultancy dedicated to solving complex business problems for global clients with creative and forward-thinking solutions.…
Experience: 1-3 years experience building and delivering modern production-grade web applications in a team environment.
Type: Full-time
Benefits: Comprehensive Health & Wellness Benefits Package, Socials, Outings & Retreats, Retirement Planning, Parental Leave Prog…

Shawbrook

Skills & Focus: Pega CLSA, Pega 8, Customer Service, REST API, SQL, Cloud Exposure, CSS, Agile methodologies, application frameworks, data models
Experience: MUST BE LSA certified

Kroo

Skills & Focus: Functional Programming, Agile, Pair Programming, Microservices, AWS, Continuous Delivery, Test Driven Development, React Native, Kafka, Inclusive Culture
About the Company: Kroo has a big vision. To be the first bank that is both trusted and loved by its customers. We’re helping people take control of their financial future and ac…
Experience: Experience with Functional Programming, experience in Agile teams, microservices, and cloud infrastructure (AWS)
Type: Full-time
Benefits: 25 days annual leave, personal days, employer-sponsored volunteer program, mental health support, pension plan, top-not…
Skills & Focus: Functional Programming, Agile, Pair Programming, Microservices, AWS, Continuous Delivery, Test Driven Development, React Native, Kafka, Inclusive Culture
About the Company: Kroo has a big vision. To be the first bank that is both trusted and loved by its customers. We’re helping people take control of their financial future and ac…
Experience: Experience with Functional Programming, experience in Agile teams, microservices, and cloud infrastructure (AWS)
Type: Full-time
Benefits: 25 days annual leave, personal days, employer-sponsored volunteer program, mental health support, pension plan, top-not…

Pleo

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…

Zopa

Skills & Focus: Software Engineer, SDLC, Java, Kafka, Kotlin, React, Kubernetes, Docker, AWS Aurora Postgres, cross-functional teams
About the Company: Zopa is a peer-to-peer lending company that has evolved to include banking services. Since its founding in 2005, Zopa has focused on customer-centric banking, …
Experience: Experienced in solving complex engineering problems and understanding the full SDLC.
Type: Full-time
Benefits: Named in the top three UK's Most Loved Workplaces, emphasis on small teams and flexible work arrangements.
Skills & Focus: Software Engineer, SDLC, Java, Kafka, Kotlin, React, Kubernetes, Docker, AWS Aurora Postgres, cross-functional teams
About the Company: Zopa is a peer-to-peer lending company that has evolved to include banking services. Since its founding in 2005, Zopa has focused on customer-centric banking, …
Experience: Experienced in solving complex engineering problems and understanding the full SDLC.
Type: Full-time
Benefits: Named in the top three UK's Most Loved Workplaces, emphasis on small teams and flexible work arrangements.
Skills & Focus: Software Engineer, SDLC, Java, Kafka, Kotlin, React, Kubernetes, Docker, AWS Aurora Postgres, cross-functional teams
About the Company: Zopa is a peer-to-peer lending company that has evolved to include banking services. Since its founding in 2005, Zopa has focused on customer-centric banking, …
Experience: Experienced in solving complex engineering problems and understanding the full SDLC.
Type: Full-time
Benefits: Named in the top three UK's Most Loved Workplaces, emphasis on small teams and flexible work arrangements.

Version1

Skills & Focus: cloud-based, software applications, technical leadership, scalable, secure solutions, agile delivery, design, estimation, stakeholder communication, team development

Technology Consultancy

Skills & Focus: software development, Scala, .Net, Java, Salesforce, ReactJS, Docker, Azure, Azure DevOps, Octopus
About the Company: A technology consultancy offering fast-track career development opportunities and the exploration of new and cutting-edge technologies.
Experience: Experience in software development and hands-on coding.
Type: Full-time
Benefits: Opportunity for career growth and learning new technologies.
Skills & Focus: software development, Scala, .Net, Java, Salesforce, ReactJS, Docker, Azure, Azure DevOps, Octopus
About the Company: A technology consultancy offering fast-track career development opportunities and the exploration of new and cutting-edge technologies.
Experience: Experience in software development and hands-on coding.
Type: Full-time
Benefits: Opportunity for career growth and learning new technologies.
Skills & Focus: software development, Scala, .Net, Java, Salesforce, ReactJS, Docker, Azure, Azure DevOps, Octopus
About the Company: A technology consultancy offering fast-track career development opportunities and the exploration of new and cutting-edge technologies.
Experience: Experience in software development and hands-on coding.
Type: Full-time
Benefits: Opportunity for career growth and learning new technologies.

Capco

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…

Tech Innovations Inc.

Skills & Focus: software development, agile methodology, Java, Python, full-stack development, cloud computing, microservices, RESTful APIs, data structures and algorithms, team collaboration
About the Company: Tech Innovations Inc. is a leading software development company specializing in creating cutting-edge technology solutions for businesses worldwide.
Experience: 5+ years in software development
Salary: $120,000 - $160,000
Type: Full-time
Benefits: Health insurance, 401(k) plan, remote work options, flexible hours, and paid time off.
Skills & Focus: software development, agile methodology, Java, Python, full-stack development, cloud computing, microservices, RESTful APIs, data structures and algorithms, team collaboration
About the Company: Tech Innovations Inc. is a leading software development company specializing in creating cutting-edge technology solutions for businesses worldwide.
Experience: 5+ years in software development
Salary: $120,000 - $160,000
Type: Full-time
Benefits: Health insurance, 401(k) plan, remote work options, flexible hours, and paid time off.
Skills & Focus: software development, agile methodology, Java, Python, full-stack development, cloud computing, microservices, RESTful APIs, data structures and algorithms, team collaboration
About the Company: Tech Innovations Inc. is a leading software development company specializing in creating cutting-edge technology solutions for businesses worldwide.
Experience: 5+ years in software development
Salary: $120,000 - $160,000
Type: Full-time
Benefits: Health insurance, 401(k) plan, remote work options, flexible hours, and paid time off.

Solirius Consulting

Skills & Focus: Node.js, RESTful APIs, MongoDB, JavaScript, Asynchronous programming, Git, Docker, CI/CD, Microservices, Agile
About the Company: Solirius Consulting delivers technical consultancy and application delivery to our clients in order to solve real world problems and allow our clients to respo…
Experience: Proven experience in Node.js development
Salary: Competitive salary, dependent on experience
Type: Full-time
Benefits: Flexible working / Work from home, Private Healthcare, Generous annual discretionary bonus, 25 days annual leave + bank…
Skills & Focus: Node.js, RESTful APIs, MongoDB, JavaScript, Asynchronous programming, Git, Docker, CI/CD, Microservices, Agile
About the Company: Solirius Consulting delivers technical consultancy and application delivery to our clients in order to solve real world problems and allow our clients to respo…
Experience: Proven experience in Node.js development
Salary: Competitive salary, dependent on experience
Type: Full-time
Benefits: Flexible working / Work from home, Private Healthcare, Generous annual discretionary bonus, 25 days annual leave + bank…

Checkoutcom1

Skills & Focus: Android, Kotlin, microservices, SDK, performance, security, architecture, collaboration, integration, scalability

Axon

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…

Capco

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…

Techruiter

Skills & Focus: Java, Python, Scala, JavaScript, Spring Framework, RESTful API, distributed systems, data structures, LEARN approach, Google Cloud
About the Company: A trusted global leader in Big Data driven analytics.
Experience: Strong commercial experience as a Senior Java Engineer
Type: Full-time
Skills & Focus: Java, Python, Scala, JavaScript, Spring Framework, RESTful API, distributed systems, data structures, LEARN approach, Google Cloud
About the Company: A trusted global leader in Big Data driven analytics.
Experience: Strong commercial experience as a Senior Java Engineer
Type: Full-time
Skills & Focus: Java, Python, Scala, JavaScript, Spring Framework, RESTful API, distributed systems, data structures, LEARN approach, Google Cloud
About the Company: A trusted global leader in Big Data driven analytics.
Experience: Strong commercial experience as a Senior Java Engineer
Type: Full-time

Konrad

Skills & Focus: Android development, consumer applications, enterprise applications, mobile applications, Java, Kotlin, Android Jetpack, REST APIs, MVVM, communication skills
About the Company: Konrad is a next generation digital consultancy. We are dedicated to solving complex business problems for our global clients with creative and forward-thinkin…
Experience: Experience developing Android applications.
Benefits: Comprehensive Health & Wellness Benefits Package, Socials, Outings & Retreats, Retirement Planning, Parental Leave Prog…

Worldfirst

Skills & Focus: Java, Scalability, Performance, Software solutions, Code reviews, Agile, DevOps, APIs, RESTful, SQL
About the Company: WorldFirst is an international payments business helping move money around the world, now part of Ant Group.

Pleo

Skills & Focus: engineer, developer tools, cloud environments, AWS, Google Cloud, relational databases, PostgreSQL, testing frameworks, JUnit, observability tools
About the Company: Pleo is on a mission to revolutionise the way businesses manage company spending. They create tools that promote autonomy, foster trust, and empower finance te…
Salary: £79,000 - £83,000 (UK), €87,000 - €93,000 (Spain/Portugal)
Benefits: Your own Pleo card, catered meals or lunch allowance, private healthcare, 25 days holiday + public holidays, hybrid and…

Anyvan

Skills & Focus: AWS, Java, Spring, Python, JavaScript, Vue.js, Agile, software architecture, database optimisations, continuous integration
About the Company: AnyVan is the largest and fastest-growing company in the logistics space, with big ambitions for the future. We're committed to moving that's miles better and …
Type: Full time
Benefits: 25 days of holiday plus public holidays, in-house gym, enhanced sick pay, The People's Pension, family leave, in-house …

Galaxy

Skills & Focus: Java, concurrency, multithreaded programming, low latency, trading systems, Linux, performance profiling, eFX development, FIX, Docker/Kubernetes/AWS
About the Company: Galaxy is a digital asset and blockchain leader helping institutions, startups, and individuals access and navigate the crypto economy, providing a range of pl…
Experience: Strong server-side Java development background; experience in order management systems, market connectivity, low latency messaging or price distribution.
Salary: Competitive base salary and discretionary bonus
Type: Full-time
Benefits: Competitive paid time off; Company-paid health and protective benefits; Free virtual coaching; Free daily snacks; Learn…
Skills & Focus: Java, concurrency, multithreaded programming, low latency, trading systems, Linux, performance profiling, eFX development, FIX, Docker/Kubernetes/AWS
About the Company: Galaxy is a digital asset and blockchain leader helping institutions, startups, and individuals access and navigate the crypto economy, providing a range of pl…
Experience: Strong server-side Java development background; experience in order management systems, market connectivity, low latency messaging or price distribution.
Salary: Competitive base salary and discretionary bonus
Type: Full-time
Benefits: Competitive paid time off; Company-paid health and protective benefits; Free virtual coaching; Free daily snacks; Learn…
Skills & Focus: Java, concurrency, multithreaded programming, low latency, trading systems, Linux, performance profiling, eFX development, FIX, Docker/Kubernetes/AWS
About the Company: Galaxy is a digital asset and blockchain leader helping institutions, startups, and individuals access and navigate the crypto economy, providing a range of pl…
Experience: Strong server-side Java development background; experience in order management systems, market connectivity, low latency messaging or price distribution.
Salary: Competitive base salary and discretionary bonus
Type: Full-time
Benefits: Competitive paid time off; Company-paid health and protective benefits; Free virtual coaching; Free daily snacks; Learn…

Drw

Skills & Focus: server side development, high-availability systems, micro-service architectures, JVM knowledge, domain driven design, functional paradigms, type theory, linux, SQL, financial concepts
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: Multiple years of server side development.

Dolby Laboratories, Inc.

Skills & Focus: Android, video streaming, SDK, Java, Kotlin, DASH, HLS, API, cross-platform, technical leadership
About the Company: Join the leader in entertainment innovation and help us design the future. At Dolby, science meets art, and high tech means more than computer code. We continu…
Experience: 5+ years of professional experience in Android application development
Type: Full-time
Benefits: excellent compensation and benefits, flexible work approach

Funding Circle

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

Instanda

Skills & Focus: C# .NET, ASP .NET MVC, LINQ, Entity Framework, SQL Server, REST, Git, Unit tests, OOP principles, Agile team
About the Company: INSTANDA is the worlds first no code platform for Insurance. A pioneering Insurtech, we’re revolutionising the insurance industry by offering insurers a versat…
Experience: Experience in software development, particularly in C# .NET and related technologies.
Salary: Competitive salary
Type: Full-time
Benefits: 28 days holiday allowance, additional holidays for service, dynamic day off per month, flexible working options, life c…
Skills & Focus: C# .NET, ASP .NET MVC, LINQ, Entity Framework, SQL Server, REST, Git, Unit tests, OOP principles, Agile team
About the Company: INSTANDA is the worlds first no code platform for Insurance. A pioneering Insurtech, we’re revolutionising the insurance industry by offering insurers a versat…
Experience: Experience in software development, particularly in C# .NET and related technologies.
Salary: Competitive salary
Type: Full-time
Benefits: 28 days holiday allowance, additional holidays for service, dynamic day off per month, flexible working options, life c…

Marshmallow

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…

Starling Bank

Skills & Focus: Java, AWS, GCP, Microservice, Kubernetes, CI/CD, Terraform, Grafana, clean coding, continuous deployment
About the Company: Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help p…
Experience: At least 5-6 years of experience as a professional software engineer.
Type: Hybrid Working
Benefits: 25 days holiday (plus take your public holiday allowance whenever works best for you), an extra day’s holiday for your …
Skills & Focus: Java, AWS, GCP, Microservice, Kubernetes, CI/CD, Terraform, Grafana, clean coding, continuous deployment
About the Company: Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help p…
Experience: At least 5-6 years of experience as a professional software engineer.
Type: Hybrid Working
Benefits: 25 days holiday (plus take your public holiday allowance whenever works best for you), an extra day’s holiday for your …

Techruiter

Skills & Focus: Kotlin, Java, Backend Software Engineering, Microservices, AWS, Docker, Kubernetes, FinTech, TDD, Python
About the Company: A startup whose state-of-the-art technology is redefining how high-net-worth individuals manage their finance portfolios.
Experience: Over 5 years professional Kotlin (or Java) backend software engineering experience
Type: Full-time

Dolarapp

Skills & Focus: Backend Engineer, Java, REST APIs, microservices, Postgres, Spring Boot, TDD, DDD, continuous integration, financial inclusion
Experience: 5+ years in Backend development
Salary: Competitive salary
Type: Full-time
Benefits: Sign-on stock options bonus, discretionary performance bonus (stock options), paid annual leave

Marshmallow

Skills & Focus: Backend, Java, Spring Boot, AWS, Terraform, distributed systems, microservices, CI/CD, automation, scalability
Experience: 6+ years of software engineering experience
Type: Full-time
Benefits: Flexible working, Sabbatical Leave, Work From Anywhere, Bonus scheme, Benefits budget, Learning and development budget,…

Abound

Skills & Focus: Java, Spring Boot, MySQL, Postgres, Docker, AWS, Git, CI/CD, microservices, data-driven improvements
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: 7+ years of professional software engineering experience
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…

Marshmallow

Skills & Focus: Technical Lead, Backend, microservices, architecture, Java, mentorship, scalability, reliability, system performance, collaboration
About the Company: Marshmallow is an insurance provider aiming to serve marginalized customers who are often overlooked by financial services. They focus on fairly pricing insura…
Experience: 8+ years of software engineering experience; 2+ years as a Technical Lead
Type: Full time
Benefits: Flexible working, Sabbatical Leave, Work From Anywhere, Competitive bonus scheme, Flexible benefits budget, Learning an…