Last updated: 2025-08-11
38 Java Backend Development jobs in London.
Writer
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…
London
- Skills: Backend Engineer, Scala, functional programming, RESTful APIs, microservices architecture, cloud platforms, performance optimization, Cats Effect, database design, agile development methodologies
- Level: mid
- Type: full_time
Galaxy
Galaxy is a digital asset and blockchain leader helping institutions, startups, and individuals access and navigate the crypto economy, providing a range of pl…
London
- Skills: Java, concurrency, multithreaded programming, low latency, trading systems, Linux, performance profiling, eFX development, FIX, Docker/Kubernetes/AWS
- Level: mid
- Type: full_time
Solirius Consulting
Solirius Consulting delivers technical consultancy and application delivery to our clients in order to solve real world problems and allow our clients to respo…
London
- Skills: Node.js, RESTful APIs, MongoDB, JavaScript, Asynchronous programming, Git, Docker, CI/CD, Microservices, Agile
- Level: mid
- Type: full_time
Starling Bank
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…
London
- Skills: Java, AWS, GCP, Microservice, Kubernetes, CI/CD, Terraform, Grafana, clean coding, continuous deployment
- Level: mid
- Type: full_time
Techruiter
A trusted global leader in Big Data driven analytics.
London
- Skills: Java, Python, Scala, JavaScript, Spring Framework, RESTful API, distributed systems, data structures, LEARN approach, Google Cloud
- Level: mid
- Type: full_time
Tech Innovations Inc.
Tech Innovations Inc. is a leading software development company specializing in creating cutting-edge technology solutions for businesses worldwide.
London
- Skills: software development, agile methodology, Java, Python, full-stack development, cloud computing, microservices, RESTful APIs, data structures and algorithms, team collaboration
- Level: mid
- Type: full_time
Zopa
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, …
London
- Skills: Software Engineer, SDLC, Java, Kafka, Kotlin, React, Kubernetes, Docker, AWS Aurora Postgres, cross-functional teams
- Level: mid
- Type: full_time
Technology Consultancy
A technology consultancy offering fast-track career development opportunities and the exploration of new and cutting-edge technologies.
London
- Skills: software development, Scala, .Net, Java, Salesforce, ReactJS, Docker, Azure, Azure DevOps, Octopus
- Level: mid
- Type: full_time
Kroo
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…
London
- Skills: Functional Programming, Agile, Pair Programming, Microservices, AWS, Continuous Delivery, Test Driven Development, React Native, Kafka, Inclusive Culture
- Level: mid
- Type: full_time
Konrad
Konrad is a next generation digital consultancy dedicated to solving complex business problems for global clients with innovative solutions. It maintains a cul…
London
- Skills: Software Architect, Tech Lead, Java, Spring Boot, React, Cloud environments, Infrastructure as Code, CI/CD, Web applications, Mentorship
- Level: mid
- Type: full_time
Shawbrook
London
- Skills: Pega CLSA, Pega 8, Customer Service, REST API, SQL, Cloud Exposure, CSS, Agile methodologies, application frameworks, data models
- Level: mid
- Type: full_time
Blockchain.com
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…
London
- Skills: software engineering, back-end systems, APIs, microservices, Kotlin, PostgreSQL, Kafka, Redis, test coverage, customer experience
- Level: senior
- Type: full_time
Axon
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…
London
- Skills: software development, cloud-based systems, Java, React, Docker, Kubernetes, Agile, frontend technologies, SQL, NoSQL
- Level: mid
- Type: full_time
Capco
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…
London
- Skills: Java Development, Spring Boot, CI/CD, Microservices, Agile, Cloud Services, Database Management, Testing, Infrastructure as Code, Event-driven architecture
- Level: mid
- Type: full_time
DRW
DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets aro…
London
- Skills: server side development, high-availability systems, micro-service architectures, JVM knowledge, domain driven design, functional paradigms, type theory, linux, SQL, financial concepts
- Level: mid
- Type: full_time
Pleo
Pleo is a company dedicated to helping every organization go beyond just managing finances, aiming to promote responsible spending culture and digitizing compa…
London
- Skills: Backend Engineering, Kotlin, Microservices, Cloud environments, Distributed systems, Relational databases, Testing frameworks, DevOps culture, Technical leadership, Code reviews
- Level: mid
- Type: full_time
Clear Street
Clear Street is modernizing the brokerage ecosystem. Founded in 2018, Clear Street is a diversified financial services firm replacing the legacy infrastructure…
London
- Skills: Java, Spring, React, Typescript, PostgreSQL, Kafka, AWS, microservices, SOA, Capital Markets
- Level: mid
- Type: full_time
Fiserv, Inc.
Fiserv is a global leader in Fintech and payments, connecting financial institutions, corporations, merchants, and consumers to one another millions of times a…
Basildon
- Skills: Java, Cloud, Microservices, Kubernetes, Kafka, DevOps, API gateways, Angular JS, Security protocols, Machine Learning
- Level: senior
- Type: full_time
Shawbrook
Shawbrook is a specialist bank driven by a purpose to power up ingenuity to create opportunity, every single day. We offer a diverse range of savings and loan …
London
- Skills: Pega, Agile, REST API, SQL, Cloud, CSS, integration, application software, data models, service monitoring
- Level: mid
- Type: full_time
Version 1
Version 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Ou…
London
- Skills: Kotlin, Java, AWS, TypeScript, Node.js, Docker, Kubernetes, Microservices, CI/CD, Agile
- Level: mid
- Type: full_time