reactjs developer jobs in Greater London

We are actively looking for ReactJS Developer for a permanent position in London. This exciting opportunity is with a well-established global IT service provider known for its excellence in the industry. Requirements Experience in ReactJS & front-end web development. Experience with reactive JavaScript frameworks such as Vue.js Strong experience in ReactJS web development. ReactJS, Redux – 3...

Job Title: Frontend developer Hybrid: 2 -3 days a week working from the office Location: London, UK Get the future you want! Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible....

Role and Responsibility Maintain existing React systems, including fixing bugsDesign and develop new custom components to meet project requirementsInstall and configure server environments for React deploymentsMaintain and update project dependencies as well as fix any conflictsWorking with other JavaScript developers and software engineers to develop front-end and back-end architecture that’s...

You must be able to demonstrate the following: ● 6+ years experience full-stack development ● High proficiency with Typescript, React, Next, Azure, Pulumi and Node ● Experience building secure applications ● Good experience writing unit and integration tests with tools like Mocha and Jest ● Ability to deploy and manage our back-end and front-end ● Experience using Supabase

You will work closely with traders, quantitative researchers, and other engineers to design, build, and maintain high-quality software systems that support trading strategies and business operations across a diverse set of asset classes.

Senior Software Engineer, Python, Django, ReactJS, JavaScript, PHP, Mainly Remote, Central LondonSenior Software Engineer (Python, Django, ReactJS) required to work for a fast growing and exciting business based in Central London. However, this role is mainly remote.We need an experienced Python Developer who is a good people person, working with client facing teams outside of Technology, and...

Job Description 6 month rolling contract - Inside IR35 - Investment Banking Key Responsibilities · Participate in an agile based software development life-cycle including technical analysis, documentation, development, testing and code reviews. · Collaborate with the production support team for release and maintenance of the components. · Work closely with the other developers in determining...

6 month rolling contract - Inside IR35 - Investment Banking Key Responsibilities Participate in an agile based software development life-cycle including technical analysis, documentation, development, testing and code reviews. Collaborate with the production support team for release and maintenance of the components. Work closely with the other developers in determining and following best...

Job Description At Broadridge, we've built a culture where the highest goal is to empower others to accomplish more. If you're passionate about developing your career, while helping others along the way, come join the Broadridge team. We are excited to announce an opportunity for a Senior Lead Developer to join our organization as part of our AI Enablement Team. In this role, you will play a...

React Native Developer (Tech for Good) (Social Education Learning) Remote Work 3-month Voluntary Work Experience Opportunity London Are you a React Native developer with mobile app experience, and a desire to put your skills toward positive social impact? Want hands-on experience designing and building intuitive mobile interfaces for learners around the world? If yes, this could be the...

Job Description We’re seeking a talented Full Stack Python Developer to join our growing technology team at a leading investment bank. You’ll play a key role in designing and building a greenfield application from the ground up that will monitor and analyse the performance of trading systems. This is a unique opportunity to architect and implement a high-impact tool that provides real-time...

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives.

Job Description A BIT ABOUT THISTHAT: ThisThat is a data and intelligence company focused on proving and improving the power of influence. We help brands and agencies answer three simple questions: what happened, why it happened, and what to do next to grow. Born in social and built for influencer, ThisThat has set the gold standard for influencer marketing measurement. We make it simple and...

Quality Assurance Automation Engineer (Remote) Shape the future of data‑driven technology in a rapidly scaling organisation We’re seeking a Quality Assurance Automation Engineer who is passionate about technology, data quality, and building products that make a real‑world impact. This is a unique opportunity to step into a high‑visibility role within a fast‑growing tech company backed by major...

You will learn the ins and outs of a fast-growing start-up, the inner workings of a software company, and all of its technical components. What do you get when you join? Join us and, in addition to your salary, you will have flexibility with your holiday schedule. Significant training and access to the founder and CEO.

Job Description 6 month rolling contract - Inside IR35 - Investment Banking Key Responsibilities · Participate in an agile based software development life-cycle including technical analysis, documentation, development, testing and code reviews. · Collaborate with the production support team for release and maintenance of the components. · Work closely with the other developers in determining...

Job Description We are hiring a skilled back-end Python Developer to join a high-performing technology team at a top-tier investment bank. You’ll be instrumental in delivering a greenfield system monitoring and performance analysis tool for global trading platforms – a solution that will provide critical insights into system health and behavior across the trading stack. This is a chance to...

You will learn the ins and outs of a fast-growing start-up, the inner workings of a software company, and all of its technical components. What do you get when you join?

A BIT ABOUT THISTHAT: ThisThat is a data and intelligence company focused on proving and improving the power of influence. We help brands and agencies answer three simple questions: what happened, why it happened, and what to do next to grow. Born in social and built for influencer, ThisThat has set the gold standard for influencer marketing measurement. We make it simple and enjoyable to...

6 month rolling contract - Inside IR35 - Investment Banking Key Responsibilities · Participate in an agile based software development life-cycle including technical analysis, documentation, development, testing and code reviews. · Collaborate with the production support team for release and maintenance of the components. · Work closely with the other developers in determining and following best...