7 javascript engineer jobs found in London

Desktop Interoperability Engineer. Glue42/Interop.io/OpenFin, React or WPF, London. ink Search are working with a leading financial services, trading oriented organisation that is building and evolving a modern desktop interoperability platform used across multiple Front Office and trading teams. This role sits at the intersection of desktop application development and web technologies, enabling complex desktop and web apps to communicate seamlessly in Real Time. This is a specialist position suited to engineers who enjoy solving hard integration problems, working close to end users, and shaping how applications behave together on the desktop. If you have hands-on experience with Glue42/interop.io or OpenFin and a strong Front End or desktop engineering background, this is an opportunity to work on a genuinely sophisticated desktop ecosystem. The Role As a Desktop Interoperability Engineer, you will: Design, build and maintain desktop interoperability solutions using...

Senior ML Platform Engineer London 5 Days a Week In Office £550- £700 Per Day, Outside IR35 Immediate Start The Company They are a technically ambitious organisation building advanced machine learning systems tightly integrated with real-world systems. Their platform supports the full lifecycle from data collection through to large-scale training and deployment. Engineering quality, reliability, and thoughtful system design are core to how they operate. The Role and Deliverables Own and evolve the operator-facing platform, including web UIs, backend services, and CLI tooling used for live data collection and dataset workflows. Design and maintain robust recording and orchestration systems that scale across robots, sensors, and lab environments. Collaborate with the ML team on dataset builders, ingestion pipelines, and infrastructure supporting large-scale distributed training. Partner with robotics engineers on ROS2 integration,...

Senior Full Stack Developer & AI Engineer Fully Remote Outside IR35 £440- £540 Per Day Immediate Start Date 4-6 Weeks long The Company They are a specialist technology consultancy focused on delivering AI-driven solutions for large, complex organisations. Their work centres on turning advanced AI capabilities into practical, production-ready applications that deliver measurable business value. The environment is collaborative, fast-moving, and driven by technical excellence. Engineers are trusted to lead, influence, and make meaningful decisions. The Role and Deliverables Lead the design and build of end-to-end AI-powered applications, from initial architecture through to production deployment. Architect scalable backend services and intuitive frontend interfaces that expose AI capabilities to enterprise users. Design and implement agentic AI systems, including orchestration patterns, tool integration, and evaluation...

We are looking for a Creative Software Engineer, with a strong UX / UI focus to join our London team on a 9-12 month Fixed Term Employment Contract (to cover parental leave). This is an exciting opportunity that will challenge your frontend skills with a lot of opportunities for project ownership across our movie and music industry clients. Projects range from immersive WebGL experiences through to high concept websites and cutting edge interactive activations. If you're looking to play an important role in shaping the performance and future of unique web products and creative marketing, Powster is the place for you. To keep our culture of collaboration strong, this role requires you to come into the office in Hackney Wick on Tuesdays & Thursdays. This is a 9 - 12 month fixed-term employment contract role, to cover parental leave. What You'll Do Interactive, Immersive Web Development: You will be owning creative web application builds, representing our...

Lead Backend Software Developer (Contract) London, Outside IR35 £500-£600 per day This is an exciting opportunity to join a fast-moving engineering function at a pivotal moment of technical uplift. They are investing heavily in strengthening their core platforms and commercial data systems, creating a strong mandate for senior engineers to step in, lead, and make an immediate impact. The Company They are a growing digital gaming organisation operating across multiple markets, currently modernising their Back End ecosystem. With distributed teams across the UK and Europe, they are building scalable platforms that support a variety of customer-facing and internal products. Engineering quality, strong technical leadership, and delivery excellence are central to their transformation. Contractors join at a time when technical ownership is expanding in-house, creating real scope to shape systems and standards. The Role and Deliverables: Lead Back End development across a complex...

We are looking for a pragmatic Engineering Manager who can quickly integrate with the team, provide leadership and delivery oversight, support engineers and technical leads, and help drive the International roadmap. Salesforce Commerce Cloud experience would be beneficial but is not essential for the right candidate with strong engineering leadership credentials. This role comes with 3 days per week on site in Central London. Requirements Key Requirements   Proven experience leading software engineering teams within large scale digital or e commerce environments. Strong delivery leadership, stakeholder management, team development, and engineering governance experience. Technical background in front end engineering, with experience working in JavaScript, jQuery, and ECMAScript based ecosystems. Comfortable operating across engineering, product, and business teams to drive delivery and remove blockers. Experience leading distributed teams and...

Lead Backend Software Developer (Contract) London, Outside IR35 £500- £600 per day This is an exciting opportunity to join a fast-moving engineering function at a pivotal moment of technical uplift. They are investing heavily in strengthening their core platforms and commercial data systems, creating a strong mandate for senior engineers to step in, lead, and make an immediate impact. The Company They are a growing digital gaming organisation operating across multiple markets, currently modernising their backend ecosystem. With distributed teams across the UK and Europe, they are building scalable platforms that support a variety of customer-facing and internal products. Engineering quality, strong technical leadership, and delivery excellence are central to their transformation. Contractors join at a time when technical ownership is expanding in-house, creating real scope to shape systems and standards. The Role and Deliverables: * Lead...