senior java backend developer jobs in London

The RoleWe are looking for a Senior Engineer to join our growing engineering team to define, build and iterate on features for our consumer-facing product. You will work closely with Product, Operations, Customer Support, Growth and other functions to design and build a reliable, intuitive, and simple experience for our users. As an early member of the team,...

Our client is hiring a Senior Quant Developer to join the Pricing team of a leading global institutional liquidity provider operating across digital assets and traditional financial markets.This is a hands‑on role at the intersection of quantitative research and production engineering. You’ll help design and implement sophisticated pricing, hedging and...

Spotify is seeking a Senior Backend Engineer to join the Subscriptions Mission in London or Stockholm. You will architect, develop and operate Java services powering conversion, retention and upsell journeys, collaborating with squads and internal partners on scalable backend systems running on Google Cloud Platform.You bring 5+ years in backend engineering...

Blockchain / DLT Developer London - Hybrid / Remote Permanent £90,000 - £110,000 We are looking for an experiencedBlockchain / DLT Developerto join a growing technology team delivering innovative blockchain solutions within the financial services sector. You will design, build and deploydistributed ledger and smart contract solutions , working...

Our client is a leading IT services and digital transformation consultancy. Company DescriptionOur client has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables our customers to navigate the rapidly evolving technology...

The Experience team designs Spotify’s consumer experience—end to end, moment to moment, across every screen, platform, and partner integration. Our mission is to make listening feel effortless, personal, and joyful for billions of users around the world. That means turning complexity into clarity across hundreds of touchpoints—from our mobile and...

Backend Development: Set up and maintain the backend server using Flask to support the application, ensuring scalability, security, and efficiencySeniority levelEntry levelEmployment typeFull-timeJob functionEngineering and Information TechnologyIndustriesTechnology, Information and InternetLocation: London, England, United KingdomWe’re unlocking community...

Note: This position does not offer any Visa sponsorship. We are only looking for applicants who are either local to London, UK, or ready to relocate to the employer's location. Note: Please share your resume in English only. Job Summary: Our Client is looking for a creative and skilled Mobile Application Developer to join their team. You will be...

About The Company Emma is the app to manage all things money. Our mission is to empower millions of people to live a better and more fulfilling financial life. Emma was founded by engineers, who are extremely focused on coding, product and data. These are the three pillars on which we want to build a strong tech culture and fix personal finance once for...

**Senior Node.js Developer | TypeScript | AWS | Serverless | Lambda | API Gateway | DynamoDB** ***Do you want to work for an amazing and highly innovative company that sits within the world's largest advertising and media group?*** They're looking to appoint a **Senior Node.js/AWS Developer** to join their platform engineering team, building cloud-native...

A leading fintech company is seeking a passionate backend developer to drive innovation in their microservices architecture. With a strong focus on Java and Spring frameworks, you will work within a self-managed team in a hybrid or remote setting. The role emphasizes quality, collaboration, and career development. Candidates should have an extensive...

Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our success. We’re people-first. We value collaboration, curiosity and...

This role is being recruited by Calyptus on behalf of one of our clients.Calyptus is a specialist recruitment partner helping startups and high-growth technology companies hire across engineering, product and design.What to expectWe’ll review your application and, if your experience is a strong match, one of our team will be in touchWe’ll support you...

Work with cutting-edge tech, lead greenfield initiatives, zero bureaucracy, collaborative culture and stunning office space!Our rapidly scaling FinTech Client is seeking a highly skilled Kafka Engineer/Java Developer to become part of their elite engineering team.You'll join a group of exceptionally talented professionals with experience from top-tier...

Our Global Structurethe company is now part of DoorDash, bringing together teams with even greater reach, scale, and ambition. Depending on your role, you may collaborate with teammates, systems, and leaders across DoorDash and Wolt. Together, we're unlocking new possibilities as one global team.Your job is to make sure every payout and transaction lands...

Wise in London is seeking a Senior Backend Engineer to join the Recommend team and help evolve and scale the recommendation platform for customers around the world. You will build systems, APIs and product experiences that shape the first experience of many new Wise customers.The role requires 5+ years in Java/Kotlin, strong Spring, databases, Kafka, and a...

Solirius Ltd. is seeking a Senior Java Engineer to join our engineering team in the UK. You will design, develop and maintain scalable Java applications with a focus on cloud-native microservices and modern software practices. AI-enabled capabilities are highly desirable as we explore advanced solutions.You will collaborate with cross-functional teams,...

The RoleWe are looking for a Senior Engineer to join our growing engineering team, and build out our backend third party integration systems as we scale. For us, this isn’t just about technical performance, but also supporting the internal human processes that will always power much of our product. You will work closely with Product, Operations, Customer...

Senior Java Developer - UK Investment Bank (Tier 1) Rate: £750 - 800 PAYE Inside IR35 (£195,000 - £208,000 annum gross) - (Equiv. to £1,103.36 - £1,176.92 Umbrella) Contract: 6 months + extensions (long term project 2years minimum, potential for 4-6 years) Location: London, UK Flexi: 2 days a week onsite, 3 days from home Benefits: 38 days annual leave...

Anyone AI is recruiting skilled Full-Stack Developers (Python, Javascript/TypeScript) to work on a project with a leading AI Lab. Qualifications:Advanced professional written proficiency in English3–7 years of professional software engineering experienceStrong proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or GoBackend or...