full stack javascript engineer jobs in London

At Open, we exist because we believe that insurance does not have to be seen as complicated or costly. We’re an AI-powered platform transforming insurance globally — making it more transparent, cost-effective, and customer friendly. Since launching in 2016, we’ve grown into a certified B Corporation, operating across ANZ and the UK, and building...

At Kertoa, we’re on a mission to get better outcomes from programmatic advertising campaigns without adding more complexity.Our algorithms help boost campaign performance through curated PMP deals. These deals are activated directly within Demand Side Platforms (DSPs) and continuously optimised to help clients beat their campaign benchmarks.We work with...

Descrial is an AI work-execution platform purpose-built for alternative investment firms and their portfolio companies. It securely brings together proprietary data, external sources and workflows. Descrial is an important pillar of Enterprise Intelligence Orchestration (EIO). It makes EIO possible by structuring and standardising data and building in domain...

Ruby Developer – Full Stack, Rails Javascript, TDD Quant Capital is urgently looking for a Ruby Developer to join our high profile client.Our client is in this year’s fintech50 they are a disruptive force in the global investment and payments space.The office is casual with a compete tech focus (quiet coding area, loud games room).The position is for a...

Junior Full Stack Engineer – Health-Tech Startup (YC-Backed) London | ON SITE | Permanent We're hiring on behalf of a fast-moving, YC-backed health-tech startup building a knowledge graph connecting over 9 million US healthcare professionals, turning fragmented data into real-time signals for pharma teams. This is a role for someone early in their...

Python JavaScript Full Stack Web Developer FintechQuant Capital is urgently looking for a full stack web JavaScript and Django Web Developer to join our high profile client.Our client is a major global financial exchange, driven by technology. They are at the bleeding edge of not only product ideas but also technology and data manipulation. They use unique...

Description We're hiring a Senior Full-Stack Engineer to own end-to-end product development and help organisations adopt AI through reliable, high-quality software. Department Engineering Location London Compensation £82,000 - £123,000 / year Description We're hiring a Senior Full-Stack Engineer to own end-to-end product development and help organisations...

AI Full Stack Engineer | LLM Products on AWS Central London (In person) | Permanent We're hiring on behalf of an AI-first analytics startup. Their product is built on a production multiagent system that uses Anthropic, OpenAI and Perplexity models, runs on AWS, and reaches customers through the company's own MCP server. W e're looking for a strong...

Full Stack Engineer (React / TypeScript / Java) Up to £85,000 + Benefits Hybrid Working London 2 Days per Week in Office We're working with a fast-growing WealthTech business that is transforming the way individuals and families engage with their finances through innovative technology and exceptional user experiences. They're looking for a Full Stack...

Senior Java Full Stack Engineer Salary:£60,000-£70,000 plus benefits, perks, and healthcare options! Job type:Permanent | Hybrid (1-2 days per week) | Occasional travel to client sites Security Clearance:Must be SC eligible Base locations:London, Bristol, Manchester or Glasgow Overview We're looking for a Senior Java Full Stack Engineer with strong backend...

Wipro is looking for a Full Stack Java Engineer to join our digital engineering team supporting a leading global banking client. As the Full Stack Java Engineer, you will help design, build, and enhance secure, scalable enterprise applications that support critical business services. You will work alongside talented engineers, architects, and product teams...

Full Stack ASP.NET JavaScript Developer70,000 Plus BonusHome work and flex work encouragedQuant Capital is urgently looking for a Full Stack ASP.NET JavaScript Developer to join our high profile client.Our client is the world leader in Market data management systems, with clients globally such as most of the major investment banks. Their team in Tonbridge is...

About You We're looking for a Senior Full-stack Engineer who can deliver new software solutions to users daily, thrives on problem-solving challenges, and is passionate about solving real-world problems. If you love a fast-paced environment where your ideas matter, and you want to work with a company that’s changing lives through technology, this is the...

The Role Vanguard, one of the world's largest investment management companies, serves individual investors, Job Title Senior Full Stack Software Engineer The Role Vanguard, one of the world's largest investment management companies, serves individual investors, institutions, employer-sponsored retirement plans, and financial professionals. We have a diverse...

Want to lead technically without giving up the code?We’re looking for a Full Stack Tech Lead to take ownership of some of the most important foundations behind ECA’s multi-tenant B2B SaaS platform.This isn’t a role where “Technical Lead” means spending your week in meetings, updating spreadsheets and slowly drifting away from engineering.You’ll...

Project description As a Senior Full Stack Java Engineer within the US Corporate Loans POD, you will design, develop, and deliver enterprise integration solutions connecting Loan IQ with upstream and downstream platforms. You will leverage modern cloud-native technologies, AI-assisted development tools, and Agentic AI practices to improve software quality,...

About The RoleWe are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. You will collaborate closely with cross-functional teams, including product management and UX/UI, to ensure that our software solutions meet business and customer needs. This role involves leading a...

Our client is a leading global investment bank. JOB DESCRIPTION We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at our client within the CDAS DataCore Engineering Team, you are an integral part of an agile team that works to enhance, build, and deliver trusted...

Our client is a global financial services and investment company. Vice President, Full-Stack Engineer Our culture allows us to run our company better and enables employees' growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the world's investible assets. Every day, our...

LocationUK or Netherlands Tech StackRuby, Angular, TypeScript, SASS, design system, Contentful, GitHub Actions FocusHands‑on full stack product work, with room to grow into frontend About Tech At Bloom & Wild GroupWe're Europe's largest direct‑to‑consumer flower and gifting business (Bloom & Wild, bloomon and Bergamotte). Our Tech team builds the...