JavaScript Developer jobs in City of London

Job Description React Native Developer - Hybrid - Outside IR35 | React Native | FinTech | JavaScript | TypeScript We’re working with a fast-growing FinTech in London that’s building next-generation mobile products used by thousands of customers daily. They’re looking for an experienced React Native Developer to join the team on a contract basis, contributing to high-impact features across their...

Benefits ~9% pension contribution ~ Stock Options ~ Health Insurance etc This is your chance to perform the job you love and make a difference in society whilst doing it! Help this one-of-a-kind Social Good platform change the world by developing this one-of-a-kind eCommerce solution. The Company ~$120m VC-backed Scale-Up ~ One of the fastest-growing companies in the world ~ 'Fast Company' Most...

Job Role: Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern JavaScript stack, your primary focus will be on coding, testing, and enhancing the...

Full Stack Python / JavaScript Developer - London - £60k 1-2 days per week in office My prestigious financial services client is looking to expand their digital transformation team and require an experienced Full Stack Developer with strong Python & JavaScript to join them working across a range of new initiatives Core skills across Python and JavaScript with experience in Django and/or React...

6 month rolling contract - Inside IR35 - Investment Banking Key Responsibilities · Participate in an agile based software development life-cycle including technical analysis, documentation, development, testing and code reviews. · Collaborate with the production support team for release and maintenance of the components. · Work closely with the other developers in determining and following best...

You will be joining an award-winning team, working on specialist projects for some of the leading, global Private Capital firms in the world. Key skills and attributes: - 6+ Years Experience in a Full Stack Developer Role. - Extensive knowledge developing web applications with the ability and knowledge to continuously develop our Atlas product.

You will also be working very closely with their customers and this is experience that they really value. If this is of interest, please get in touch ASAP - will be moving quickly!

Job Description UX/UI + Frontend Developer Thursday Salary: £40-£50K Thursday is a singles IRL events company that organises singles events, trips, dinners, activities, education and media. We're building technology to scale our operations and enhance the experience for our members. We value equality and inclusion as core principles - our diverse audience deserves technology that serves...

Job Description Python developer with 4 or 5 years of experience. Permanent, 3 days in office in London, salary is up to £100k + bonus + benefits Responsibilities and experience: 1. Build programming skills in Python, .NET and JavaScript/Typescript, keeping pace with company business requirements. 2. Building and maintaining client facing applications, working with stakeholders to ensure the...

Job Description Role: Software Developer (React) – Up to £120,000 + Bonus + Package Salary: Up to £120,000 + Bonus + Package Location: London (Hybrid Working) Skills: React as a main language (modern JavaScript / TypeScript) This firm is an elite technology company with exceptionally high standards, known for pushing boundaries and previously setting world records in the tech space. They are...

Full Stack Engineer – New Launch Hedge Fund (L/S Equity) Location: London Type: Full-time (5 days per week on-site in Victoria) A newly launched fundamentally driven long/short equity hedge fund, focused on the European Industrials sector, is seeking a talented Engineer to join its growing London-based team. The firm, currently composed of senior professionals from top-tier hedge funds including...

Are you a front-end web developer with a passion for Shopify looking for a new challenge? If you're a front-end web developer who excels in Shopify and is an advocate for modular, utility-first development, then we'd love to get to know you. We offer great mentorship and onboarding support! Charle is an ambitious e-commerce agency specialising in bespoke builds and ongoing support within...

About Aero A digital experience company, we sit at the intersection of insights, creativity and technology, crafting digital experiences that transform business performance. We’re a small, fully remote team with big ambitions. We work hands-on with our clients, giving our teams genuine ownership of their work. Every project you touch will be seen by thousands of people and will directly...

Safe Intelligence is on a mission to make AI safe and reliable for everyone. To help us achieve this, we're seeking a Full Stack Software Engineer to join our team! We're particularly looking for someone with strong Golang, Typescript and Kubernetes experience . Python skills would also be a welcome bonus! Note: the role is 3-4 days per week in the office in London (based in Hammersmith). As a...

Are you a talented, super-ambitious full-stack developer? Excited by building solutions to real-world challenges? Motivated by owning shares in a high-growth business? Their mission is to unify the fragmented landscape of school technology through intelligent, human-centred design. By replacing disconnected silo systems with one seamless platform, they restore joy to teaching, strengthen...

Job Description About Us: We’re a VC-backed stealth-mode company building behavioural AI solutions for the retail industry. Our platform is designed from the ground up — no legacy, no patchwork systems — just a clean slate and a clear vision. Our mission is to bring the intelligence of modern machine learning directly to the in-store shopping experience. Role: We’re looking for an experienced...

You will play a pivotal role in high-impact projects across our entire stack, from crafting polished user interfaces in Next. js and React Native to building robust backend services in Python. This is a high-impact opportunity for someone eager to learn fast, take ownership, solve real problems, and help power the next generation of educational technology.

Benefits ~9% pension contribution ~ Stock Options ~ Health Insurance ~ L&D Budgets This is your chance to perform the job you love and make a difference in society whilst doing it! Help this one-of-a-kind Social Good platform change the world by developing this hyper-growth eCommerce solution. The Company ~$120m VC-backed Scale-Up ~ One of the fastest-growing companies in the world ~ 'Fast...

Job Description 6 month rolling contract - Inside IR35 - Investment Banking Key Responsibilities · Participate in an agile based software development life-cycle including technical analysis, documentation, development, testing and code reviews. · Collaborate with the production support team for release and maintenance of the components. · Work closely with the other developers in determining...

Python developer with 4 or 5 years of experience. Permanent, 3 days in office in London, salary is up to £100k + bonus + benefits Build programming skills in Python, .NET and JavaScript/Typescript, keeping pace with company business requirements. Building and maintaining client facing applications, working with stakeholders to ensure the key deliverables are developed and live on time. Working...