senior react developer

Citigroup in Belfast, Northern Ireland, is seeking a Front-end Web Developer to design and maintain user interfaces with React.js while supporting backend services in Java and related frameworks. You will write clean, well-documented code, participate in code reviews, collaborate with designers and stakeholders, and help ensure security, performance and...

We are seeking an experienced Senior Full Stack Engineer to play a key role in the design, development, deployment and support of modern digital products and services. This is a hands‑on senior engineering position that combines deep technical expertise with architectural leadership, mentoring and ownership of software delivery standards. Working within a...

Are you ready to make a difference and shape the future of technology? At JPMorganChase, you’ll be part of a dynamic team that thrives on innovation and collaboration. You’ll have the opportunity to grow your career, expand your skills, and work on projects that matter. We value your expertise and encourage you to push boundaries as you help deliver...

Experis UK is seeking a Senior Frontend Developer to own a modern React and TypeScript application, influence architecture, and deliver accessible, scalable features. You will work with GraphQL, AWS Amplify, AppSync, and Vite, shaping engineering standards and collaborating with Product, Design, and Engineering teams.The role emphasizes technical...

Building the Future of Open Finance Payward - the parent company behind Kraken, NinjaTrader, Breakout, xStocks, Payward Services and CF Benchmarks - has spent the last 15 years building one of the most modern and globally accessible financial infrastructure platforms in the industry, built to advance an open, global financial system. Payward - the parent...

Senior Front-End React / Next.js Developer (SC Cleared) Location: Remote (UK-based)Rate: £500 - £525 / day (Inside IR35)Clearance Requirement: Active SC Clearance (ESSENTIAL)Contract Length: 6 months + extension Role Overview We are seeking an experienced Senior Front-End Contractor with deep expertise in React, Next.js, and AWS to join our engineering...

Senior Software Engineer – Back End, Rates & FXJoin to apply for the Senior Software Engineer – Back End, Rates & FX role at TP ICAPSenior Software Engineer – Back End, Rates & FXJoin to apply for the Senior Software Engineer – Back End, Rates & FX role at TP ICAPThe TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to...

J.P. Morgan is seeking a Senior Lead Software Engineer in London to join the Equities Sales and Trading Technology team. You will be part of an agile team delivering trusted market-leading technology products in a secure, scalable environment.Responsibilities include providing technical guidance, delivering production code, influencing product design, and...

We are hiring a Full Stack Java/React Developer to build and deploy enterprise-scale distributed applications and microservices. The Tech Stack: Backend: Java (11/17), Spring Boot, Spring Security, Microservices. What You Need: 5+ years of full stack software development experience. Strong foundation in OOP, Design Patterns, Data Structures, and Algorithms...

I'm working with a well-funded startup who are hunting for a React Developer to join their team near Liverpool Street. They're at an exciting time right now as they're popular in the UK market but would eventually like to be a global brand. To do this they'll be adding new features and ensuring their existing code is robust and scalable. They have an...

Kraken is expanding its Consumer Mobile team in London, building a new app for Asian markets using React Native. You will own high-quality features end to end, from problem framing to launch and measurement.You will partner with Product and Design, work with real-time data and APIs, and shape UX for regional users, including regional constraints and firewall...

Adroit People Limited (UK) seeks an experienced Frontend Developer to design and implement modern web applications using React and TypeScript. You will build reusable components, integrate with REST APIs, and collaborate with UX/design to deliver enterprise-grade experiences.You will work within an Agile environment, ensure accessibility and security...

DFS Group is seeking a Software Developer to contribute to our internal development team. You will work on new developments and enhancements to our software and collaborate with internal stakeholders and external partners to deliver world-class solutions that support growth.The role offers exposure to the full development lifecycle and opportunities to learn...

Well-Trusted Media Telecommunications Client to Shape the Future of Technology! Are you ready to do the best work of your life? Our client is at the forefront of the Media Telecommunications Technology industry, creating innovative, scalable solutions that power exceptional customer experiences across multiple platforms. Be part of a workplace where you can...

About InvestEngineWe’re a London-based fintech on a mission to make ETF investing simple and accessible. Over 150,000 clients have trusted us with over £3.5 billion in assets — and we’re just getting started.We’ve been featured by MoneyWeek, Finder and Forbes, and we’re growing fast with big ambitions.About the RoleWe’re looking for a Senior...

Noir in Newcastle seeks a Front End Developer to design and implement intuitive, high-performance trading UI. You will work with React, TypeScript, and real-time data streams to deliver scalable interfaces for global financial institutions.Collaborate with backend, UX, and users to refine solutions, own components, and uphold quality in a fast-paced FinTech...

Full-Stack Developer – React, Python, Oracle Database, and AI/GenAI Job Category: Full-Stack Development / Software Engineering Job Type: Full-Time Job Location: London Boundaryless is a boutique consulting firm, providing clients with deep expertise in advanced analytics & data forensics, agentic automation, and Artificial Intelligence solutions. We...

Senior Full stack engineer (React/Golang), 6-month contract, up to £450 p/d (outside IR35), Fully remote (UK Based)We are partnering with an AI-native consultancy to recruit a Senior Full stack engineer on an initial 6-month contract to join a high-performing engineering team responsible for building and scaling customer-facing products This is an...

Full Stack Developer Java + React - Sheffield 3 Days A Week 1 day ago Be among the first 25 applicants This range is provided by TEKsystems. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Job Title: Java + React Full Stack Developer 3 days in office in Sheffield is a core...

Symbiotic is hiring for a frontend engineer in Greater London to build and maintain modern web interfaces for onchain finance products. You will translate Figma designs into accessible components, implement wallet interactions, and ensure scalable, robust UI with React and TypeScript.You’ll work with Next.js, Vite, PNPM, Storybook and modern tooling,...