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...

You will work with a high degree of autonomy under general direction, applying agreed architectures, development standards, and secure coding practices across Dynamics 365 and the Microsoft Power Platform.

You will also help resolve complex platform issues, support continuous improvement, and contribute to solution design and delivery decisions.

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 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...

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...

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...

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.

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...

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...

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...

Job Description Driven by Intelligence. Powered for the Future. Avant Intelligence is a global innovator in AI-powered robotics and intelligent inspection solutions. At the forefront of industrial digitalization, Avant develops autonomous robotic systems that enhance safety, efficiency, and reliability across energy, transportation, and EV-charging sectors. With cutting-edge expertise in...

Job Description Build the engine behind the platform, transforming frontline access. At Cocentric, we’re scaling Connect – our flagship SaaS platform built to simplify workforce access, provisioning, and digital identity. From automated onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a...

You will work closely with product managers, designers, and other engineers to solve complex problems and create intuitive solutions that help simplify financial workflows for our users. You’ll have the opportunity to own critical features and contribute to the overall architecture of our platform.

You will play a critical role in assuring the quality, reliability and robustness of digital solutions across a wide range of client engagements.

You will be responsible for designing, implementing and maintaining high-quality automated testing solutions, providing confidence that systems meet functional and non-functional requirements across accessibility, performance, security and integration.

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...

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...