full stack javascript engineer jobs in London

This role is with one of Dex's trusted partner companies. We work closely with their teams to truly understand their culture, goals, and what they're looking for, so we can match you with the right opportunity and give you context about the role before you commit to a process. If you're interested sign up to Dex to apply. Dex is an AI recruiter agent that...

Junior C# Full Stack Software Engineer – Fintech50,000 plus BensRemote WorkingQuant Capital is urgently looking for a Junior C# Full Stack Developer to join our high profile client.My Client is a well known global (yet not too corporate) financial software (fintech) business that has developed a unique proprietary front office lending solution.The Software...

Harnham - Data and Analytics Recruitment in London is partnering with a global professional services firm to recruit a Full Stack Product Engineer. You will join a newly created R&D function working with AI, Data Science, Data Engineering and Product Engineering from concept through to production.In this role you will lead the development of applications,...

The Portfolio Group is seeking a Senior Software Engineer to own the application and integration layer behind AI-powered products. You will work across the full stack, designing services, APIs, and interfaces connecting AI capabilities to the products customers and colleagues use every day.You'll play a key role in building MCP integrations, agent-to-agent...

Sprint Innovations Ltd. is actively seeking a developer to join a small, remote team building modern web applications for finance, property and telco clients. The role emphasizes Angular front-end work with Java capability, plus API, backend services and production support.You’ll work in a Roam virtual office with a daily 9am standup and two-week sprints....

JPMorgan Chase & Co. is seeking a Lead Software Engineer in London to own end-to-end delivery of critical infrastructure software. You will combine frontend and backend development with application ownership, governance, and risk controls within a collaborative, security-focused team.In this role you will mentor engineers, drive architectural excellence, and...

Apex Invest seeks a passionate Full Stack Engineer to craft end-to-end solutions for our investment platform. You will design, develop, and deploy scalable software, balancing frontend and backend excellence to deliver superior client experiences.You will own features from ideation through deployment, collaborate across teams, and stay ahead of industry...

Jacobi in the United Kingdom is seeking an experienced Full-Stack Software Engineer to contribute to the evolution of Jacobi’s platform, delivering robust, scalable Java-based services and modern web interfaces.You will work with a globally distributed engineering team, take meaningful ownership, participate in architectural decisions and collaborate with...

Meet DeepLDeepL is a global AI product and research company focused on building secure, intelligent solutions to complex business problems. Over 200,000 business customers and millions of individuals across 228 global markets today trust DeepL's Language AI platform for human-like translation, improved writing and real-time voice translation. Founded in 2017...

Oritain is a global leader in forensic origin verification, based in London. We seek an Experienced Product Engineer to design and deliver customer-facing applications and APIs, spanning backend services and modern front-end experiences in a cloud-native Azure environment.You will collaborate with cross-functional teams to deliver features end-to-end, taking...

Full-Stack Engineer King's cross, London £85,000–£105,000 5x Positions We're hiring Full-Stack Engineers to build Descrial end to end, from the database to the interface. Our clients trust us with confidential financial data, so security, tenant isolation, auditability and a polished experience are engineering constraints, not extras. You’ll work in...

Dex is seeking a skilled full-stack engineer to own features from database schema design in Postgres to Django-based back-end logic and lightweight HTMX front ends. You will also work with Terraform for infrastructure, delivering reliable data pipelines from contracts to structured data for AI agents.The role emphasizes building robust, maintainable systems...

GetGround, a UK proptech company, is hiring a hybrid London engineer to work across the stack, shaping AI-driven features for the property-investment lifecycle. You’ll collaborate with product, design, and other engineers to deliver real-world impact for investors and institutional clients.You’ll thrive in a fast-paced, high-quality team that values...

We're putting together a talented team to build the #1 training platform for Runners We help everyday runners become outstanding by building an incredible app providing world-class training, coaching and community for everyone, whether you're improving your 5k time or training for your first marathon. We’re growing extremely fast! In November 2023 we...

Atos in the United Kingdom (Greater London) is seeking an experienced Designer / Lead Developer to join our Public Sector team. You will lead architecture, design and hands-on implementation for Ophthalmic system components, working independently and guiding a small development and testing team.The role requires expert Java, Spring, Hibernate, and CI/CD...

Job Description Join a team where your engineering decisions matter at scale. At JPMorganChase, we build production-grade software that powers critical Global Banking businesses — and we're looking for engineers who take ownership, raise the bar, and grow fast. You'll work in a culture of strong code reviews, fast feedback, and scalable architecture, with...

the company is seeking a Full Stack Software Engineer to build custom web and backend solutions for enterprise clients in London. You will work with React, TypeScript, Node.js, Python, Go and/or Java in a Scrum environment with one-week sprints and peer reviews.The role emphasizes collaboration with Designers and Project Management, delivering end-to-end...

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...

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...

Help shape how AI is built, deployed, and scaled across JPMorganChase. You will work on business-critical products that apply modern machine learning to software, cybersecurity, and technology infrastructure. You will partner with engineers and research teams to take ideas from prototype to production. If you enjoy solving complex problems and building...