javascript jobs in London

About Us:Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who...

Contract Role: Senior AI/ML Research Engineer Contract Location: LondonContract Duration: 6 months initially (with potential extension)Contract Start Date: ImmediateContract Classification: Inside IR35Daily Rate breakdownTraditional Daily Rate: £600Agreed Contract Rate (ACR): £462Equivalent Annual Salary: £120k + £14.5k holiday payPayroll provider:...

Backend Software Engineer / Developer (C# .Net) London onsite to £90kAre you a backend focussed Software Engineer?You could be progressing your career in a hands-on Backend Software Engineer role at a global sports trading firm.Your role:As a Backend Software Engineer within the trading engine team you'll collaborate to design and develop real-time trading...

Software Engineer / Developer (C# .Net) London onsite to £90kAre you an experienced C#, backend focussed Software Engineer?You could be progressing your career in a hands-on, backend focussed Software Engineer role at a global sports trading firm.What's in it for you:Salary to £90kBonusProfessional developmentPensionHealth InsuranceGym membershipSocial...

DescriptionWe know that people want great value combined with an excellent experience from a bank they can trust, so we launched our digital bank, Chase UK, to revolutionize mobile banking with seamless journeys that our customers love. We're already trusted by millions in the US and we're quickly catching up in the UK – but how we do things here is a...

Full Stack Developer 3-Month Contract | Hybrid Working (2 Days On-Site per Week) We are partnering with a leading organisation seeking an experienced Full Stack Developer to join a collaborative technology team on an initial 3-month contract. This role offers the opportunity to work on modern, enterprise-scale applications, developing innovative solutions...

Node.js Developer – (Financial Services)35K-50KQuant Capital is urgently looking for mid-level right the way to senior level Node.js Developer to join our rapidly growing and high profile client.Hit Apply below to send your application for consideration Ensure that your CV is up to date, and that you have read the job specs first.Our client is a financial...

UI / UX Designer – Graduate ConsideredA unique opportunity for a UI/UX Designer to join a well-funded early-stage technology company. You'll start working remotely and later join a hybrid team in the London office. You will help shape the user experience of an innovative software platform, turning complex information and workflows into clear, engaging...

We are looking for a highly skilled computer programmer who is comfortable with both front and back end programming. Full stack developers are responsible for developing and designing front end web architecture, ensuring the responsiveness of applications, and working alongside graphic designers for web design features, among other duties. Full stack...

About the teamOpenAI’s Forward Deployed Engineering team partners with customers to turn research breakthroughs into production systems. We operate at the intersection of customer delivery and core platform development.About the roleForward Deployed Engineers (FDEs) lead complex end-to-end deployments of frontier models in production alongside our most...

Senior C# Developer / Backend Software Engineer (C# .Net) London onsite to £150kAre you an experienced backend focussed C# Developer?You could be progressing your career in a senior, hands-on role at a global Sports Trading business.As a Senior C# Developer within the trading engine team, you'll collaborate to design and develop real-time trading systems,...

This is a free training course followed by the potential for a role with one of our clients. Title: Data Scientist Job location: Remote, UK (1 day per fortnight in London or Manchester) Description: These job roles are linked directly to free education, and upon completion of our course, you will be equipped to start your new role. WHAT ARE WE LOOKING...

We know that people want great value combined with an excellent experience from a bank they can trust, so we launched our digital bank, Chase UK, to revolutionize mobile banking with seamless journeys that our customers love. We're already trusted by millions in the US and we're quickly catching up in the UK – but how we do things here is a little...

Investment Platform Engineer (Full Stack)Duration:4 Months initial Rate:Up to £800 per day (Inside IR35) Location:London - 2 days per week onsite A leading investment and wealth management organisation is seeking an experienced Investment Platform Engineer to join its Investment Technology function on an initial 4-month contract. This role sits at the...

Runa is building a first-of-its-kind digital payments infrastructure and is hiring a Senior Software Engineer in London. You will architect, implement and deploy services, working with Python, TypeScript and JavaScript in a serverless AWS stack.You will mentor junior engineers, participate in design interviews, and take ownership of large-scale systems...

A travel technology company in Greater London seeks an experienced Staff Software Engineer (Full Stack) to join their Bangkok team. The role requires 8+ years in software engineering with expertise in Java, Kotlin, .NET, and JavaScript/TypeScript. Team collaboration, system design, and mentorship are critical. The role includes a comprehensive relocation...

About the RoleThis role sits within our Marketing Website team, responsible for how Synthesia shows up to millions of users globally.As a Webflow Developer / Front-End Engineer, you’ll work across Webflow, front-end code, and supporting tooling. You’ll collaborate closely with Design, SEO, Growth, and Engineering, and you’ll have real ownership over...

Daily Mail's DMG Media unit seeks a Software Engineer – Ads & Commercial Development to design, build and optimize ad‑tech platforms with a focus on backend JavaScript, containerized services, and scalable CI/CD pipelines.The role offers a hybrid work model in London, requiring two days in the office, and is a permanent position that values clean code,...

Replit is looking for a Premium Support Engineer to serve as the front-line expert for our largest enterprise customers, delivering fast, reliable technical support and guiding them through complex incidents. You will diagnose issues, escalate with Product and Engineering, and help improve procedures and tooling to reduce resolution times.Strong debugging in...

QA Automation Tester45,000Quant Capital is urgently looking for a QA Automation Tester Architect to join our high profile client.Ensure you read the information regarding this opportunity thoroughly before making an application.Our client is the world's leading market portfolio risk analytics software businesses. This Fintech business has both a B to C and a...