> Markdown version of [/jobs/ext/2107548-ui-developer-contract](https://www.wearedevelopers.com/jobs/ext/2107548-ui-developer-contract). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # UI Developer- Contract - **Company:** Monthlyquant Capital - **Location:** London, UK - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Application Programming Interfaces (APIs), Acceptance Test-Driven Development, Big Data, Node.Js, TypeScript, Web Application Frameworks, ReactJS, Cypress (Programming Language), Backend, Webpack, AngularJS, Graphql, Front End Software Development, React Redux - **Published:** August 19, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/x/44534607/ ## About the Role built in node.js and Apollo to interact with a microservice backend layer. The team's mandate is to create an entirely new user experience and engineer the UI with the best and latest technologies.You will have exposure to cutting edge frontend technology and will be joining a small team with influence over the end product and technical decision-making. Your responsibilities will include:Working with the product team to prototype and deliver features for the UICollaborating with server side developers to add new featuresEnsuring the visual consistency of the UIThe environment will be agile, fast paced and test driven. You will be encouraged to evangelise and prototype new technologies and approaches to help shape the evolving architecture.UI Developers Must Have:Deep knowledge of JavaScript or TypeScript, HTML and CSSExperience of backend systems such as node.js, GraphQL and RESTUse of modern JavaScript frameworks such as React, Redux, Styled Components, Apollo GraphQLUX and visual design skills are a plusThe development stack includes: TypeScript, React, Redux, Styled Components, Apollo GraphQL, Webpack, Jest, Cypress and Prettier. Familiarity with these technologies is a plus.My client is based London. ## Description UI DeveloperContract Outside IR35 650 PD Hybrid Working MonthlyQuant Capital is urgently looking for a UI Developer to join a pioneering tech start-up.Our client is an innovative company with a pioneering new concept for the financial markets with their big data technology platform. They have assembled a top team from across the financial markets and are looking to expand to meet high demand from clients. They are rolling out a disruptive big data service for the financial markets, building a global financial network through which investors can analyse and collaborate on investments. The network provides a solution to transparency and accountability in investments and is revolutionising investment management.The role:I am hiring to grow the UI team to develop new features for our exciting frontend product built in React, as well as maintaining existing features and occasionally porting features from a legacy Angular codebase. Additionally you will be responsible for the GraphQL API ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [Stop using Node.js like in 2020! What changed and what you can do today with Node.js](https://www.wearedevelopers.com/videos/100011-stop-using-node-js-like-in-2020-what-changed-and-what-you-can-do-today-with-node-js) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [The Pragmatic Architect: Balancing Necessity vs. Sufficiency in React Systems](https://www.wearedevelopers.com/videos/2101-the-pragmatic-architect-balancing-necessity-vs-sufficiency-in-react-systems) - [Stop Using Node.js Like It’s 2020! - Alfonso Graziano](https://www.wearedevelopers.com/videos/1863-stop-using-node-js-like-it-s-2020-alfonso-graziano) ## Related Articles - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023)