mern stack developer jobs in London

Full Stack DeveloperLocation: London – 2 days a monthSalary: up to 65,000We’re looking for an experienced Full Stack Developer to join a growing engineering team building modern, high-traffic SaaS products used by thousands of customers.This is an opportunity to work across the full development lifecycle, building scalable React front ends and Node.js...

Full Stack Developer Remote £525 per day inside ir35 Active SC clearance required - held by the Home Office or another government body We're looking for an experienced Full Stack Developer to join a major UK government programme, working on secure, technically complex applications. You'll be responsible for developing and maintaining full-stack...

This Full Stack Developer position will give you the chance to work on a greenfield project with an already-successful product to work from as a guide.You'll join a small team of developers who are skilled across the board and are looking for 2 more developers to join them, who they can upskill if required.The overall stack is:ReactReact...

A stealth startup, three visionary founders, and AI technology.Have you ever wondered what it would be like to cascade with founding engineers on a product that has already secured multi-million dollar investment? (If you don't believe me... ask the guys over at Klarna and Spotify...)A company on track to become the next tech unicorn.... with an enterprise...

DescriptionAbout MethodsMethods is a 100M+ IT Services Consultancy that partners with central government departments, agencies, and commercial organisations to deliver meaningful digital transformation. Established over 30 years ago and UK-based, we combine expertise in transformation, delivery, technology, and collaboration to create people-centred...

Company DescriptionVersion 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapidly changing Digital-First world we live in. We foster strong partnerships with leading technology giants including Microsoft,...

ABOUT QUANTUMLOOPAIQuantumLoopAI is transforming how patients access NHS primary care. Our AI-powered reception system, EMMA, serves millions of NHS patients, helping GP surgeries manage demand, reduce phone queues, and ensure patients get the right care at the right time. Backed by leading healthcare investors and working with NHS practices across England,...

Salary: £65,000 - 105,000 per year Requirements 2+ years development experience Experience with modern front-end frameworks like React and NextJs Understanding of back-end programming concepts Previous experience of WordPress Strong vanilla JavaScript skills and front-end experience HTML/CSS3/SASS practices that support responsive design, progressive...

About MethodsMethods is a £100M+ IT Services Consultancy that partners with central government departments, agencies, and commercial organisations to deliver meaningful digital transformation. Established over 30 years ago and UK-based, we combine expertise in transformation, delivery, technology, and collaboration to create people-centred solutions that...

We are looking for a Full Stack Developer with expertise in React to join our clients team of developers who are working on a critical part of their eCommerce platform, which handles thousands of bookings a day. You will work closely with the business to develop features that allow the business to hit their growth targets and continually improve the product....

This is one of the world’s top algorithmic trading firms, looking for an experienced full stack developer to architect and design enhancements for global web-based systems using mainly Python and React.Working closely with teams across the firm – Algo, Business Development, Middle Office, Trading Tech – your code will impact business logic, provide...

Build scalable web applications across the full stack, from responsive front-end interfaces to APIs, databases, deployment, and client collaboration. 2-3 Years Remote Full-time Design, develop, and deploy scalable web applications for clients in India and overseas with clean architecture, responsive design, and optimized performance.Collaborate with clients,...

OverviewAt Tab we've built a payments platform for independent tourism businesses off the beaten track, capable of handling thousands of payments an hour across 100 currencies, in real-time, with near-zero downtime — backed by Python + Flask + Postgres. We're also building a direct-booking platform and traveller-focused discovery platform in Svelte +...

Java Developer - Up to 55K We're working with a global technology consultancy delivering secure, large-scale digital transformation programmes across multiple industries. They're looking for a Java Developer to join a growing engineering team building modern, cloud-based microservices platforms. This role is ideal for a developer who wants to level up...

What you'll do Architect and build responsive, high-quality web apps in React and TypeScript, with Node.js/TypeScript on the backend Lead design and development of scalable, high-performance applications Apply best practice in security, accessibility and performance Build reusable components and libraries Run code reviews, testing and debugging to keep...

# Full Stack Developer,November 30, 2025### Job Description**On behalf of our client, we are seeking a Full Stack Developer – London, UK (Full-Time Permanent Role).**Our client, an established technology-driven organisation based in London, is looking for a Full Stack Developer to build modern digital platforms, scalable backend services, and high-quality...

Summary Do you enjoy working on the sort of ground-breaking product that lifts the bar for an entire industry? Smart Communications has done it before, we're doing it again, and we're looking for an experienced full stack developer to help. About Smart Communications Smart Communications is a leading customer engagement technology provider for regulated...

Get AI-powered advice on this job and more exclusive features.Job TitleSoftware Engineer-Full stack (All Levels)LocationLondon, England, United KingdomMinimum RequirementsEducation: BS degree in Computer Science, Electrical Engineering, Math or related quantitative field.3+ years of experience in Full stack software development.Proficiency in Java, Kotlin,...

Role Overview We are seeking an experienced Full Stack Developer with strong expertise in Node.js, Next.js, Angular, and cloud-native microservices. The ideal candidate will have a proven track record in designing, developing, and deploying scalable applications on Google Cloud Platform (GCP), with a solid understanding of DevOps practices and modern CI/CD...

Looking for a detailed orientated engineer to join an existing engineering team, understand the architecture quickly, contribute production-quality code, troubleshoot distributed systems, and independently drive assigned deliverables through to deployment.You should have the following experience:MongoDB, Express.js, Angular, Node.js, C#/.NET Core 10+ and SQL...