full stack javascript engineer jobs in London

METHODS is seeking a Full Stack Developer to design, build and test cloud-based applications in a mixed front-end and back-end environment. You will work with Java/Spring Boot, Python, and TypeScript/Angular, building RESTful APIs and integrating with back-end microservices.You will contribute to DevOps pipelines, leverage Azure services, and support...

Prevail Partners is seeking a mid-level Full Stack Engineer to join the Platform & System Operations team in London on a permanent basis. You’ll design, build and maintain applications powering our intelligence platform, from Python/AWS backends to React frontends.You’ll work closely with engineers and analysts to turn requirements into reliable...

⚡️About VolterVolter is a top-tier climate VC-backed B2B energy tech platform building the products that make clean, renewable power simple for businesses everywhere. The energy transition is a huge and vital opportunity, but it's currently too difficult for commercial & industrial companies to achieve. Historically, the energy industry has been too...

Wayve in London is seeking a hands-on Full-Stack Software Engineer to join the Model Development Platform. You will design, build, and operate the applications and services that support the development and testing of autonomous driving models.You will work across the full technology stack, own significant technical areas, mentor others, and contribute to...

Millennium is seeking a highly skilled software engineer to design, build, and support the Meteorite Web platform. You will work closely with Product Managers and stakeholders to translate requirements into robust technical solutions and deliver end-to-end features that power intraday positions, P&L, and risk data.You will develop backend services in Java...

Are you passionate about building secure, scalable software and cloud infrastructure that supports critical services in production? Do you enjoy collaborating across teams, improving engineering practices, and helping others grow while delivering high-quality solutions? About Our Team Working within Information Security & Data Protection division, the...

LA International is recruiting a Full Stack Developer to support a major Public Sector technology programme in London. You will design and deliver cloud-native solutions using Azure, Vue.js and C#/.NET across the full development lifecycle.The role requires strong Azure experience, REST API design, and frontend work with Vue.js/TypeScript. You will...

A leading AI production studio in Greater London is seeking a Full Stack Engineer to develop innovative applications and systems for digital characters. The role requires 5+ years of full stack experience, working collaboratively in a fast-paced environment, and offering real ownership over projects. You’ll be involved in building prototypes and...

About Portal BiotechPortal Biotech has built the world's only platform capable of sequencing full-length proteins at the single-molecule level. Using our nanopore technology, we read intact proteins of any size, capturing both sequence and post-translational modifications in a way no other system can. This opens up entirely new ways to understand protein...

Full Stack Software EngineerAbout iProoviProov provides science-based biometric solutions that enable the world’s most security-conscious organizations to streamline secure remote onboarding and authentication for digital and physical access. Our award-winning liveness technology and iSOC offer unmatched resilience against deepfakes and generative AI...

Engineer the future of global finance. At Citi, our Tech team doesn't just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team...

Our Future Health is seeking a software engineer to develop full-stack applications using TypeScript and Node.js. You will collaborate with cross-functional teams to deliver high-quality software and participate in code reviews to uphold best practices.You will engage in problem-solving and debugging complex issues while staying updated on emerging...

An innovative technology company in London seeks a Graduate Full Stack Engineer. This entry-level role offers exceptional training and mentoring, aiming at recent graduates with a passion for technology and creativity. Ideal candidates will have strong academic credentials, technical skills from projects or internships, and excellent communication abilities....

Take a leading role in crafting next-level, end-to-end solutions for Apex Invest, ensuring every digital touchpoint not only delights clients but also propels innovation and sets new standards of excellence throughout ourorganisation. About Apex Invest At Apex Invest, we specialise in cutting-edge investment solutions that transform the way businesses and...

Ellipse is hiring a Full Stack Engineer to join our football technology team. You will develop and maintain backend services and databases, building scalable and secure applications across the tech stack.You will translate business needs into reliable software, design APIs with security in mind, and collaborate on DevOps tasks. The role emphasizes data...

Meet Dex is partnering with a London-based platform rebuilding property investment end-to-end. You’ll own features from concept to deployment on a high-asset platform, shaping problems with product and design, and driving an AI-native engineering culture.The role emphasises ownership, ambiguity tolerance, and the use of AI tools to elevate daily...

Boundaryless GmbH in London is seeking a skilled Full-Stack Developer to design, build, test, and deploy enterprise-grade applications using React, Python, and Oracle Database. You will implement AI/GenAI features, design robust APIs, and ensure secure, scalable solutions across front-end and back-end services.The role emphasizes end-to-end delivery,...

Build AI products customers use. Own the decisions that make them work.MBN Solutions is partnering with an early-stage AI business to hire a Senior Product Engineer who wants a direct hand in shaping the product.You’ll work closely with the founders and customers, taking meaningful problems from first conversation through to production. You’ll help...

5 Days onsite (London) must.Someone with 15+ years of industry experience , preferable 5+ years in banking , trade management.Understanding of Vanilla products ( Macro, Credit, Securitisation). Experience of working with HTML5, Angular, REACT, NPM, Java Spring Boot, Post Gres/Cloud SQL. Understanding of containerised deployment – Kubernetes, ECS on...

Salt Search is expanding its London engineering team and seeking a talented Full Stack Software Engineer to build and scale their cloud-native AI platform, applying Go, Python, React and TypeScript to real-time video and sensor data.You will own features end-to-end, design scalable APIs, contribute to distributed systems, and collaborate with product and ML...