> Markdown version of [/jobs/ext/2797178-senior-frontend-developer](https://www.wearedevelopers.com/jobs/ext/2797178-senior-frontend-developer). 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).

---

# Senior Frontend Developer

- **Company:** Adecco
- **Location:** Bromley, UK
- **Experience:** Expert
- **Contract:** Temporary to permanent
- **Skills:** Clean Code Principles, Java (Programming Language), Software Quality, Design of User Interfaces, High-Frequency Trading, Modular Design, Performance Tuning, WebSocket, RxJS, ReactJS, Backend, Event Driven Architecture, Playwright, Real Time Data, Reactive Programming, Front End Software Development, React Redux, JestJS
- **Published:** September 8, 2026
- **Apply:** https://www.collegerecruiter.com/job/2840620591-senior-frontend-developer

## About the Role

* Strong proficiency in React (Hooks, Context API, Redux or similar state management).
 * Advanced knowledge of RxJS for reactive programming and event-driven architectures.

UI Technologies

 * Experience with real-time data visualization and WebSockets.
 * Micro-frontend architecture, modular design principles.

Testing Quality

 * Vitest, Playwright, Storybook or similar testing frameworks.
 * Understanding of Fixed Income, FX, and electronic trading workflows is highly desirable.

Soft Skills

 * Strong leadership and communication skills.
 * Ability to work in a fast-paced, agile environment.
 * Problem-solving mindset with attention to detail.

## Description

Highly skilled UI Developer to spearhead the development of the Single Dealer Platform within our Electronic Fixed Income Currencies business. The ideal candidate will have deep expertise in React, RxJS, and modern UI frameworks, combined with strong leadership and architectural skills to deliver high-performance, scalable, and intuitive trading interfaces., * Lead UI Development: Own the design and implementation of the front-end architecture for the SDP.

 * Collaborate with Stakeholders: Work closely with product managers, UX designers, and backend teams to deliver seamless user experiences.
 * Technical Leadership: Mentor and guide a team of UI engineers, ensuring best practices in coding, testing, and performance optimization.
 * Integration: Ensure smooth integration with Java-based backend services and real-time data streams.
 * Performance Scalability: Optimize UI for low-latency, high-frequency trading environments.
 * Innovation: Stay ahead of emerging technologies and propose improvements to enhance platform capabilities.


## Related Videos

- [How to Create New RxJS Operators](https://www.wearedevelopers.com/videos/683-how-to-create-new-rxjs-operators)
- [Building the Right Product and Building It Right: A Glimpse into Extreme Programming, Atomic Design ](https://www.wearedevelopers.com/videos/398-building-the-right-product-and-building-it-right-a-glimpse-into-extreme-programming-atomic-design)
- [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock)
- [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape)
- [To New Frontiers: The Future of Frontend Development](https://www.wearedevelopers.com/videos/404-to-new-frontiers-the-future-of-frontend-development)
- [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean)

## Related Articles

- [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023)
- [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)
- [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk)
- [The Best JavaScript Framework to Learn](https://www.wearedevelopers.com/magazine/229-the-best-javascript-framework-to-learn)
- [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023)