Senior Frontend Developer at Adecco – Bromley | Jobyssey

Job Title: UI Developer Lead

Location: Bromley – Hybrid (3 days in office)

Contract: 12 months with possible extension.

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.

Key Responsibilities

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.

Core Expertise

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.

Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you. We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention.

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Key Responsibilities

Core Expertise

UI Technologies

Testing Quality

Soft Skills