senior java full stack developer jobs in London

Capgemini is seeking an experienced Angular Developer to work on new product development and maintenance of existing systems. You will participate in all stages of the software development lifecycle, from design to deployment.The role involves a blend of Office, client site, and remote work according to business needs, with no option to work 100% from home....

IFS is adopting cutting-edge AI-driven industrial emissions solutions and is seeking a Lead Software Engineer to shape scalable cloud-native platforms. The role spans front-end and back-end work with React and GoLang, emphasizing API-first design, reliability, and DevOps practices.You will lead technical decisions, mentor engineers, and collaborate across...

SBU - Invent CU - Business Technology Global Grade - B At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of...

Flow Engineering is seeking software engineers to build AI-powered capabilities that help teams author, review, and manage requirements more effectively. You will work on agentic systems engineer and agentic domain engineer workflows—bringing AI into the center of how teams reason about their systems.This role sits at the intersection of AI, product, and...

Mondrian Alpha, a leading hedge fund, seeks a senior software engineer to own internal tools and platforms used across investment and non-investment functions. You will work with business stakeholders to translate pain points into well-scoped technical solutions and own projects from conception to release.You'll be hands-on across the full project lifecycle,...

Gemex, a multi-award-winning family business in fine bridal jewellery manufacturing, seeks a skilled developer to build high-performance online experiences for jewellers across the UK and Europe. The role starts office-based in London for the first 4 weeks with hybrid working thereafter, offering a competitive salary and opportunities for career...

FinTech Horizon Ltd. in London seeks a Senior Full-Stack Developer to design, build, and maintain scalable web applications powering our next-generation financial platform.You will collaborate with product managers and UI/UX designers to translate complex requirements into robust technical solutions. Responsibilities include mentoring juniors, optimizing...

J.P. Morgan is seeking a Software Engineer III in London to own end-to-end delivery of secure, full-stack features across microservices architectures.You will design, implement, test, and operate production-grade software, leveraging Kafka, Spring Boot, and CI/CD pipelines while driving performance, resiliency, and automation for scalable financial...

Mondrian Alpha is seeking a Senior Full Stack Software Engineer to design, build and own business-critical applications across trading and finance platforms.You will work with C#/.NET or Java, SQL and microservice architectures, while guiding AI-driven workflows and production AI platforms. Direct collaboration with traders and finance teams will shape...

Nomura in London is seeking a Senior Java Developer for the Rates Intraday Risk Technology team. You will work on server-side processes and APIs supporting intraday risk and P&L for the Rates desk, collaborating with flows desks and quants.The role offers hybrid working in London, requires solid Java experience with Spring, and familiarity with lifecycle...

Job Title: Senior Java Developer – Rates Intraday Risk Technology Corporate Title: Associate Department: Information Technology Location: London (Hybrid) Company overview Nomura is a financial services group with an integrated global network. By connecting markets East & West, we service the needs of individuals, institutions, corporates and governments...

Project description Join a global technology team developing high-performance, low-latency platforms supporting critical trading and real-time processing workflows. The project focuses on building event-driven and reactive Java systems designed to operate at high frequency with demanding latency and throughput requirements.The environment combines advanced...

FlexTrade UK Ltd. is seeking an experienced full-stack developer to join the FlexONE team. You will work on Scala/Play backend and React/AG-Grid frontend, contributing from an MVP to a full-featured web and mobile companion app.Based in London with our UI-focused team, you will own design, migrations to React Native, testing, and collaboration with desktop...

Trinity College London is seeking a Senior Developer to join our Product Engineering team and help bring an AI-driven music and language learning platform into production. This hands-on role combines modern full-stack technologies and collaboration across AI, DevOps and Data disciplines to accelerate delivery.You will work with overseas teams to drive...

慨正橡扯 is hiring a Senior Full-Stack Engineer to lead the development of their AI-powered platform. In this role, you will take ownership from concept through deployment, integrating AI as a core technology. You will also have direct contact with clients to tailor solutions that meet their needs.We're seeking candidates with over 6 years of experience...

Zinc Work Limited is seeking a Senior Full Stack Product Engineer to join our Tech - Engineering team in London. You will play a vital role in shaping our platform, building high-quality features while collaborating closely with Product and Design teams.This role requires advanced full stack development skills, primarily with Node.js and modern frontend...

Octopus Energy Group is seeking a Senior Fullstack Software Engineer (Python and React) to join our product and engineering team, building the systems that power our electric car leasing platform. Our tech stack includes Python with GraphQL, React with Next.js, PostgreSQL and NoSQL, deployed on AWS.You will work within a cross-functional team, build APIs,...

Salt Digital Recruitment in London is seeking a hands-on Senior Full Stack Developer specializing in Kotlin and React for a Banking project. You will collaborate across business and tech to ship frequent releases and influence product and technical direction in an XP environment.This role is hybrid—3 days in the office—with start ASAP. The contract spans...

Sreeyam Soft Pvt Ltd is searching for a Senior Full Stack Developer to lead the development of their flagship enterprise client platform, catering to FTSE 250 customers. The role requires 5+ years of experience and a proven record in software engineering and product delivery.The ideal candidate will mentor a team of engineers and work collaboratively with...

Core ResponsibilitiesLead the design, architecture, and implementation of scalable APIs, services, and accessibility-first user interfacesDeliver AI-native features across both front-end and back-end, spanning carbon accounting, ESG data collection, and sustainability planning capabilitiesDrive the evolution of the platform into modular, event-driven,...