senior java full stack developer jobs in London

Senior Full-Stack Software Engineer - Account Integrity - Java, ReactFull-timeCompensation: GBP 87,500 - GBP 111,000 - yearlyWise 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...

Responsibilities Development & Coding: Collaborate with lead and also Lead the development with mid level developers and implementation of scalable and high-performance Java-based applications. (This post will have more than 80% focus on this). Architecting Solutions and design: Collaborate with cross-functional teams to design and implement robust software...

Talan, part of the Talan Group, seeks a Senior Full Stack Developer to build a Forms capability using Java 21/Spring Boot backend and React/Vite/TanStack frontend, containerized for AWS EKS. REST/JWT integration will leverage existing platform services such as Cognito and S3.The contract spans 1 month with a possible extension and requires UK-based work...

We are looking for a Senior Full-Stack Engineer to join our global Investment Banking client. You will be responsible for the development and overall implementation of AI-enabled web applications in a complex, critical and large cross-departmental and multi-disciplinary area.The role is part of a multi-year transformation journey that will require a...

Grid Dynamics is seeking a versatile engineer to join a high-performing team building workflow automation platforms for a global investment banking environment. You will design, develop and deploy Java-based services, REST APIs and React frontends, collaborating with traders and operations to solve real business problems.You will work across Java, Node.js,...

A leading tech recruitment firm is seeking a Senior Full-Stack Developer to join an exciting and well-backed decentralised Crypto project in the UK or Europe. The role involves collaborating with Blockchain experts to design and implement an innovative data protocol. Ideal candidates will have over 5 years of Front-End experience, strong skills in Solidity,...

At Mountain Warehouse we understand that technology is core to our success as a business and so we invest heavily in our in-house team. The development department is divided into product-based teams, all using variants on Kanban for project prioritisation and a focus on continuous delivery, mostly with usage of microservices. We are a collaborative team with...

Employment International is seeking a Senior ASP.NET Developer to join the full-stack team in London. You will contribute across the SDLC from design to deployment and collaborate on CRM, mediation, and real-time services.The role emphasizes strong C#, Java, and front-end skills (ASP.NET Web Forms, jQuery), code reviews, testing support, and release...

Job Description Full-Stack Developer (React Native / Java) | London Hybrid | FinTech | Outside IR35 | React, React Native, Java, AWS | £550–600/day A growing financial technology company is scaling its engineering team as it builds the next generation of modern web and mobile products for global users. With continued investment into digital platforms and...

Our client is a global professional services and technology consultancy.Our client is a leading global professional services company, providing a broad range of services in strategy and consulting, interactive, technology and operations, with digital capabilities across all of these services. With our thought leadership and culture of innovation, we apply...

Our client is a leading IT services and digital transformation consultancy. Company Description Our 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...

Thrive IT Systems is seeking aJava Full Stack developer with strong Spring ecosystem experience. The role involves building robust RESTful APIs and distributed applications, using React on the frontend and reliable messaging systems like Kafka or RabbitMQ.You will work in an Agile environment, leveraging Docker, Kubernetes, and OpenShift for containerized...

IT Development Team Lead (Full Stack), Central London An exciting Development Team Lead (Full Stack) role with a salary of £100,000 pluscommissionand career progression opportunities for a permanent role based in our Marylebone, London office. We are offering a fantastic opportunity for an experiencedDevelopment Team Lead (Full Stack)with an immediate start...

Full Stack Developer - Treasury TechnologyAbout MillenniumMillennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium's mission is to deliver results for our investors.Our people are empowered with both independence and support: the autonomy to pursue ideas with conviction and the...

Keylane UK is seeking a Full Stack Developer to build SiteView with React front-end and Java/J2EE back-end, in a Docker/AWS environment.You will contribute across the development lifecycle, prototype features, write tests, and deploy, collaborating with a small team to deliver scalable SaaS for insurers. You will investigate issues, optimize performance, and...

A leading health technology company is seeking a Full Stack Java Engineer to work on a product that drives efficiencies for the NHS. In this impactful role, you'll re-architect a shift rota application, enhancing it using Java and Angular. The position is based in London with flexibility to work from home. The ideal candidate has strong Java skills,...

Contract Role - VP Full Stack Engineer - Angular & Java/Solidity (smart contracts on Ethereum/blockchain) - London/Onsite - 12 months initial - Inside IR35 We are looking for 3 experienced VP-level Software Engineers to join the team as contractors on an immediate basis. The team is looking for well-rounded engineers with experience across multiple...

83zero Ltd in the UK is seeking a Java Full Stack Engineer to develop and maintain web applications using Java and frontend tech. You will build RESTful services with Spring Boot and deliver responsive UI with React, TypeScript, HTML and CSS.Responsibilities include designing APIs, collaborating with teammates, implementing CI/CD, and deploying to cloud...

Build real, production-grade software that powers our global banking businesses. At JPMorganChase, we believe great engineers are made through meaningful challenges, strong mentorship, and a culture that rewards curiosity and craftsmanship. Here, you'll work alongside experienced engineers who are passionate about clean code, scalable architecture, and...

Harnham is hiring a Full Stack Engineer (React/TypeScript/Java) in London with hybrid working. The role involves 65% frontend and 35% backend, delivering features for a WealthTech platform and shaping technical decisions in a modern cloud-native environment.You will work in a cross-functional squad, focusing on frontend while contributing to backend services...