8 of 8 DemandTrendContract React Developer Jobs in England

React Developer - FX Derivatives & Risk Bromley (3 days per week on-site) 12-month contract Competitive day rate via umbrella Are you a React Developer who thrives in fast-paced, high-performance environments? This is your chance to join a front-office technology team working on cutting-edge trading systems that power … combines complex problem solving, UI performance optimisation, and exposure to financial products , all within a collaborative and innovative environment. What you'll be doing: Designing and developing high-performing React applications for FX Options and Risk. Optimising and scaling UI components to handle large volumes of real-time data. Collaborating closely with traders, quants, and other developers in an … platform that's critical to global trading operations. What we're looking for: Strong programming skills in an OOP language (Java, Python, etc.). Solid hands-on experience with React, JavaScript, HTML, and CSS. Good understanding of algorithms, data structures, and design patterns. Experience with agile methodologies (Scrum, Kanban, XP) and CI/CD practices. Background in UI design More ❯

Contract React Developer Location: Onsite (5 Days/Week)?? Duration: 12 Months? IR35 Status: Inside IR35? Rate: £700–£800/dayOpus is partnering with a leading financial services firm on the hunt for a Contract React Developer to supercharge the UI of a high-impact platform. If you're passionate about clean More ❯

Lead JavaScript/React Developer, 6 months, Leeds/Hybrid, £575 - £616/day (Inside IR35) My client, a leading digital consultancy are currently looking to bring on a Lead React Developer on a 6 month initial contract working for a big banking clieny of theirs. The client is based in Leeds … way data flow and the Flux architecture. Understanding of stateful (container) vs stateless (presentational) components and how to break down the application page into components Core understanding of how React's state management works out of the box. Understanding of different CSS architectures that go hand-in-hand with React.js application development. Pros and cons of component-level CSS … Good understanding of the Web Components standard. Hands-on experience with building Progressive Web Apps (PWAs) on any framework. Hands-on experience with Frontend Performance Optimization - especially in a React application with respect to resource loading strategy, CPU/Memory profiling on the browser. Hands-on experience with test-driven development using Jest or equivalent. Familiar with snapshot testing More ❯

Job Description: A Python, Quartz and React developer is needed to deliver the Regulatory controls work in London. Role Description: The person needs to have Python (ideally Quartz experience), and exposure to the reconciliation/controls model. The responsibilities will include business analysis, development, affinity with an agile way of working with stakeholders. And work with … the development team, across the globe. Skills: Python, SQL, Quartz, React, HTML, CSS, Competencies: At least 2-3 years of Python and 1 year of React experience. Hands on experience in Quartz application development Hands on experience in Python , Rest API development and SQL Should have experience on Agile development Should be able to work as L3 support … in a Devops environment UI design and development, ideally in React JS. MI and reporting development using Tableau. Enterprise architecture, DevOps and Agile/Lean delivery techniques. Automated testing, instrumentation and data visualization techniques More ❯

Role: React Native Developer Location: London/Knutsford/Glasgow/Northampton - Any location (Hybrid) Duration: 6 Months Day rate: £400 - £450 Umbrella Only As a Senior React Native Developer , you will play a key role in shaping the architecture, performance, and quality of our mobile applications. You'll lead development efforts … be a technical steward , setting standards and fostering a culture of continuous improvement across the mobile development team. What You'll Do: Lead the development of mobile applications using React Native and modern JavaScript (ES6+). Drive technical design and implementation of new features, ensuring code quality and maintainability. Promote modern architectural patterns, such as modular design and state … emerging technologies and contribute to strategic technical decisions. What We're Looking For: 5-8 years of experience in front-end or mobile development, with a strong focus on React Native . Deep understanding of JavaScript/TypeScript , mobile performance optimization, and component-based architecture. Solid knowledge of mobile development workflows, debugging, testing (Jest, Detox), and CI/CD. More ❯

Contract: 3–6 months Location: London Day rate: £350 - £450/day We’re seeking a skilled 3D React Developer with strong experience in Three.js, WebGL, and PlayCanvas to contribute to a cutting-edge real-time 3D web project. You’ll be working with high-quality Unreal Engine content streamed to the web, creating engaging and … performant 3D experiences for users. Responsibilities: Develop and optimise interactive 3D web applications Integrate real-time 3D content into React-based environments Collaborate closely with designers, backend engineers, and 3D artists Troubleshoot performance and rendering issues across devices and browsers Requirements: Proven experience with Three.js, WebGL, PlayCanvas Strong React and JavaScript skills Understanding of 3D asset pipelines and More ❯

I am currently working with a London-based investment bank who urgently require multiple eTrading React Developers on a long-term contract basis for a business-critical project in the front-office space. What you'll need to succeed Extensive React and Javascript development experience within a front-office/eTrading environment - Mandatory. Strong knowledge of a range More ❯

for a major pharmaceutical company on a long term contract, outside IR35. The key skills required for this Senior Fullstack Developer are: Python React Typescript AI (desirable) Java (desirable) AWS SQL Kubernetes (desirable) If you do have the relevant experience for this remote, outside IR35 Senior Fullstack Developer role, please More ❯