6 of 6 DemandTrendContract React Developer Jobs in London

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 ❯

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 ❯