staff java backend developer jobs in London

A UK government agency is seeking a Developer to join the GOV.UK One Login Programme. You'll work in a fast-paced environment with a focus on developing secure, robust digital services for all citizens. The ideal candidate will have experience with cloud technologies, TypeScript or Java, and an understanding of agile methodologies. This role offers a unique...

Staff Backend Engineer at Xpertise Recruitment Salary: Up to £95,000 + up to 30% bonus + generous pensionLocation: Central London (1 day per week in office)Type: Permanent About the Role They are a leading organisation in the financial and insurance services sector, focused on delivering innovative digital solutions to millions of customers. As a Staff...

Company DescriptionWise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed.Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.As part of...

About Man Group Man Group is a global alternative investment management firm focused on pursuing outperformance for sophisticated clients via our Systematic, Discretionary and Solutions offerings. Powered by talent and advanced technology, our single and multi-manager investment strategies are underpinned by deep research and span public and private markets,...

Aalyria is a leading technology company that supplies laser communications technology and temporospatial software-defined networking platforms to the aerospace industry. With technology acquired from Google, Aalyria is at the forefront of innovation in satellite and airborne mesh networks, as well as cislunar and deep-space communications. We are...

White Collar Factory (95009), United Kingdom, London, LondonLead Software Development Engineer - ServicesAbout this roleCapital One’s mission is to change banking for good by bringing humanity, ingenuity and simplicity to banking. Sitting at the core of such values is our Software Engineering department whose primary role is to be an enabler of our...

A leading recruitment agency is seeking a Full Stack TypeScript Staff Engineer to lead backend development in the financial services sector. You'll design scalable REST microservices and mentor engineering teams while promoting best practices. The ideal candidate has at least 4 years of backend development experience, strong proficiency in TypeScript and...

FlexTrade Systems is a provider of customized multi-asset execution and order management trading solutions for buy- and sell-side financial institutions. Through deep client partnerships with some of the world's largest, most complex and demanding capital markets firms, we develop the flexible tools, technology and innovation that deliver our clients a...

White Collar Factory (95009), United Kingdom, London, LondonLead Software Development Engineer - ServicesAbout this roleCapital One’s mission is to change banking for good by bringing humanity, ingenuity and simplicity to banking. Sitting at the core of such values is our Software Engineering department whose primary role is to be an enabler of our...

Capgemini in London is seeking a Lead Java Full Stack Developer to drive the development of scalable enterprise applications across frontend and backend layers. You will design, develop, test and deploy high-quality solutions within an Agile framework.You will lead frontend work with HTML, CSS, JavaScript, React/Redux, Node.js and Jest, and backend with...

We are looking for a candidate with strong Java and / or Kotlin, good oracle skills and experience, and knowledge of and experience developing and running high-throughput distributed systems. Kubernetes knowledge also preferred. **Responsibilities** - System Architecture & Development: Design, build, and optimize high-throughput distributed services...

PowerToFly is looking for a Software Development Engineer II to enhance backend services and systems. The candidate should have 2+ years of experience and a Bachelor’s degree in Computer Science or a related field.The position focuses on designing high-throughput services, implementing caching mechanisms, and working with technologies like Java and...

Join us as a Software Engineer, Backend - This is an opportunity for a technically minded individual to join us as a Software Engineer - You’ll be designing, producing, testing and implementing working software, working across the lifecycle of the system - Hone your existing software engineering skills and advance your career in this critical role ...

Personio's intelligent HR platform helps small and medium-sized organizations unlock the power of people by making complicated, time-consuming tasks simple and efficient. Our team of 1,500 Personios is building user-friendly products that delight our 15,000+ customers and their 1.5 million employees. Ready to make an impact from day one? Senior Software...

About WheelyWheely is redefining premium transportation across major cities in Europe, the US, and the Middle East. We blend cutting-edge technology with the craft of five-star chauffeuring to deliver an experience trusted by more than 100,000 active riders and 1,200 corporate accounts.About WheelyWheely is redefining premium transportation across major...

Have you worked in a fast-paced start-up environment? Senior Backend Engineer – AI transforming the future Location: Hybrid in London approx. 1-2 days a week (flexible work hours) We are very excited to have just partnered with a rapidly rising AI infrastructure company that’s transforming how development and QA teams create, manage, and test...

A leading technology firm in the United Kingdom is seeking a Senior Backend Developer to support a data platform programme for a global financial services organisation. The successful candidate will design and implement backend services, ensure high levels of automated testing, and integrate with various systems. Mandatory skills include strong experience...

At The Multiplayer Group (MPG), we create world-class multiplayer experiences through Co-Dev and Full-Dev partnerships. Our people-first culture supports a diverse, global team in a welcoming and flexible work environment. With teams spread worldwide, we prioritise connection—both online and in person. Giving back is central to who we are, with a focus on...

A World-Changing 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 empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role Backend Software Engineers at Palantir build...

**Join our expanding engineering team!** We're hiring a permanent Senior Backend Engineer to join our Asset Sales group as we scale one of the most important parts of M-KOPA's FinTech platform. Build distributed, event-driven microservices and help shape what AI-native engineering looks like at M-KOPA. **The Impact 💚** Your code will directly power...