19 javascript engineer jobs found

Senior JavaScript Engineer contract - Outside IR35 - £575 per day Leading Ecommerce client is now recruiting a talented ‘Full Stack JavaScript Developer’ who is proficient in front and back-end development. (React/Node.js), with an emphasis on backend Node work initially. This role will be joining their platform team, designing, and building the foundations of which our clients innovative web and mobile applications run on. What will a day in the role entail? Working as an integral part of an agile team contributing towards the planning and development of systems/platforms. Collaborating with engineers, product owners and business analysts to define solutions, ways of working and share knowledge across the department. Reviewing code and providing support to members of your team. Working on client-facing applications in react / next.js Designing and building Node.js / GraphQL APIs. The ideal Senior JavaScript Engineer Senior level experience in modern...

Leading eCommerce client now requires a Full Stack JavaScript Engineer to contribute towards the design and development of their evolving digital ecosystem. You will work across their front and back-end applications delivering features and improvements to support their digital roadmap. Key Requirements: Strong hands-on Full Stack development skills – React.js, Next.js, Node.js and TypeScript. Heavy hands-on testing experience (TDD, DDD). Extensive experience developing APIs/Event driven architectures and working with cloud technologies such as AWS. Experience with Amazon Bedrock and Agentcore is desirable. GraphQL/ Nest.js experience AI integration/Cloud AI Platform familiarity is preferred. Used to working in a scrum based agile team. Excellent communication skills with the ability to work autonomously and hit the ground running. This is an initial 6-month contract role which provides a daily rate of £575 (Outside IR35). In terms of working...

JavaScript Engineer - Capacitor experience a must Experienced JavaScript Front end engineer with recent Capacitor experience a must! Working remotely (UK) and outside IR35, my Health Tech client is wanting to support Apple and Play store submissions of one, possibly two of their key corporate apps. Initial 4-month contract with extension beyond click apply for full job details

Leading eCommerce client now requires a Full Stack JavaScript Engineer to contribute towards the design and development of their evolving digital ecosystem. You will work across their front and back-end applications delivering features and improvements to support their digital roadmap. Key Requirements: Strong hands-on Full Stack development skills – React.js, Next.js, Node.js and TypeScript. Heavy hands-on testing experience (TDD, DDD). Extensive experience developing APIs/Event driven architectures and working with cloud technologies such as AWS. Experience with Amazon Bedrock and Agentcore is desirable. GraphQL/ Nest.js experience AI integration/Cloud AI Platform familiarity is preferred. Used to working in a scrum based agile team. Excellent communication skills with the ability to work autonomously and hit the ground running. This is an initial 6-month contract role which provides a daily rate of £575 (Outside IR35). In terms of working...

Experienced JavaScript Front end engineer with recent Capacitor experience a must! Working remotely (UK) and outside IR35, my Health Tech client is wanting to support Apple and Play store submissions of one, possibly two of their key corporate apps. Initial 4-month contract with extension beyond. JavaScript, React and Capacitor experience a must! JBG81_UKTJ click apply for full job details

Senior AI Engineer Up to £900/day (Outside IR35) 6 months contract UK - Fully Remote We are working with a UK-based prop-tech business building a production-grade autonomous AI agent platform used by professionals in a high-transaction environment. They are looking for a Senior AI Engineer to take a hands-on role in the design and delivery of agentic AI systems, focused on workflow automation, intelligent decision support, and deep integration with an existing commercial platform. This is a delivery-focused contract role with genuine architectural responsibility. Role Overview You will design and implement autonomous and semi-autonomous AI agents that operate across customer workflows, ingest transactional data, and generate actionable insights. The work is firmly production-oriented, this is not a research or experimentation role. Key Responsibilities Agentic AI & Automation Design and implement AI agent architectures for autonomous task...

Senior AI Engineer Up to £900/day (Outside IR35) 6 months contract UK - Fully Remote We are working with a UK-based prop-tech business building a production-grade autonomous AI agent platform used by professionals in a high-transaction environment. They are looking for a Senior AI Engineer to take a hands-on role in the design and delivery of agentic AI systems, focused on workflow automation, intelligent decision support, and deep integration with an existing commercial platform. This is a delivery-focused contract role with genuine architectural responsibility. Role Overview You will design and implement autonomous and semi-autonomous AI agents that operate across customer workflows, ingest transactional data, and generate actionable insights. The work is firmly production-oriented, this is not a research or experimentation role. Key Responsibilities Agentic AI & Automation Design and implement AI agent architectures for autonomous...

Senior Software Engineer 📍 Leeds (3 Days On-Site) | 💰 £400/day Outside IR35 We're supporting a growing UK business on the search for a Senior Software Engineer to play a key role in the evolution of their bespoke CRM platform. This is an opportunity to join a business at an exciting stage of growth. With ambitious plans to double revenue, expand internationally and pursue acquisitions, technology sits at the heart of the next phase of the journey. Working directly with the Founder and wider business teams, you'll be responsible for developing new CRM functionality, automating manual processes and removing operational bottlenecks that impact the business day-to-day. What You'll Be Doing Developing and extending a bespoke CRM platform built in PHP Working closely with business stakeholders to gather requirements and identify opportunities for improvement Building solutions across areas such as stock management, job scheduling and workflow automation...

🚨 Senior Software Engineer (DevOps) | Contract & Permanent Opportunities 💰 £80K+ Salary or Circa £600/day (Outside IR35) 📍 UK-Based | Fully Remote We're supporting a leading consultancy delivering AI, cloud, and customer experience transformation programmes for enterprise clients. They are looking for a Senior Software Engineer to join their growing AI Practice. This is a hands-on engineering role for someone with a strong DevOps and automation-first mindset, comfortable working across the full software lifecycle—from design and development through to deployment, monitoring, and optimisation. Key experience includes: ✅ AWS (Amazon Connect experience beneficial) ✅ Terraform / Infrastructure as Code ✅ CI/CD pipelines and DevOps tooling ✅ Docker & Kubernetes ✅ C# (.NET 8+) and/or Java (Spring) ✅ React, Angular, or modern JavaScript frameworks ✅ Linux, Bash & PowerShell ✅ Strong troubleshooting and customer-facing delivery experience This is an...

React Native Developer – Contract London (Hybrid) | Outside IR35 About the Company Our client is a fast-growing fintech building the next generation of financial products. With a product-first culture and a strong engineering ethos, they're on a mission to make financial services smarter, faster, and more accessible. You'll be joining a lean, high-calibre team where your work ships and your impact is visible. The Role We're looking for an experienced React Native Developer to join our client on a contract basis. You'll be working across a consumer-facing mobile product, contributing to feature development, performance improvements, and technical delivery within an agile environment. This is a hands-on engineering role suited to someone who takes ownership, moves quickly, and holds their own in a strong technical team. What You'll Be Doing Building and shipping features across iOS and Android using React Native Collaborating closely with product,...

Contract Software Engineer opportunity - £600 p/d – Manchester - Outside IR35 I have an immediate requirement with a client for a Contract Software Engineer to work on a large-scale SaaS product Key Technical Skills JavaScript/Typescript React Node AWS, Lambdas, Serverless Event-driven, Microservices, APIs The client need someone who can come in and make an immediate impact in terms of being able to be hands on with the code but then also driving the project forward in tandem with internal and external stakeholders. The ideal candidate will know JavaScript frontend and backend like the back of their hand. If you’re interested in learning more about the opportunity, apply through the link and I’ll be in touch ASAP

Senior Full Stack Developer (TypeScript / Vue.js / C# / .NET) Fully Remote (UK-based) Contract – Outside IR35 Long-Term Contract Competitive Day Rate We’re working with a well-established organisation undergoing a major platform transformation programme , and they’re looking to add an experienced Full Stack Developer to the team. This role will suit someone who enjoys owning features end-to-end , with strong frontend expertise while remaining comfortable working across APIs, databases, and backend services in a modern environment. What You’ll Be Doing Developing and enhancing customer-facing platforms and transactional systems Building modern applications using Vue.js and TypeScript Working closely with product, QA, and engineering teams to deliver new features Investigating and resolving production issues across frontend, APIs, and databases Contributing to architecture discussions and technical improvements Supporting platform modernisation...

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...

AI Engineer (C++) 6 Month Contract Outside IR35 UK Fully Remote About the Role Fruition are seeking a skilled C++ engineer for our client to help build and optimize the runtime layer powering local AI on edge devices. This role focuses on porting, enhancing, and optimizing inference engines such as llama.cpp, ggml, and ONNX-based runtimes to deliver fast, efficient, and reliable on-device AI performance across diverse hardware environments. You will work close to the metal, improving model loading, memory efficiency, and inference speed while ensuring runtime stability and production readiness. This is an opportunity to contribute to privacy-focused AI systems that operate independently of cloud infrastructure. Responsibilities Deploy and optimize machine learning models for edge and on-device environments using frameworks including llama.cpp, ggml, and ONNX Improve inference runtime performance across different CPU and GPU architectures Collaborate closely with...

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,...

UI Developer (React) – Contract (Outside IR35) £400/day 3-month initial Hybrid (West Midlands) North Scout are recruiting a UI Developer for a large UK insurance organisation, working on a major internal digital platform used across multiple business units. This is a UI-led Front-End role focused on building robust, scalable user interfaces for complex, high-volume systems. It’s not a greenfield toy app – it’s proper enterprise engineering. You’ll be joining a small, senior product team and will have real ownership over front-end standards, component design, and UI quality across the platform. The Role This is a hands-on UI Developer position, working in a close-knit delivery team, while collaborating with multiple engineering, data, and product teams across the organisation. You’ll be responsible for building reusable UI components, improving front-end architecture, and ensuring the platform remains maintainable as it scales. This suits someone who’s...

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 working...

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...