UI Full Stack Developer

We are seeking a Senior Full Stack Developer with a strong focus on Front End development to join our team. You will play a pivotal role in modernising our trading platform, moving it from a Legacy monolithic C# architecture to a cutting-edge microservices-based ecosystem. A key project involves developing a new Regulatory Reporting Portal for external customers, driven by regulatory changes and strategic objectives to outperform competing exchange offerings. Responsibilities

• Design and develop modern React-based user interfaces for a new customer-facing regulatory reporting platform.
• Build features end-to-end from Figma designs through to production deployment.
• Integrate Front End applications with Spring Boot microservices and REST APIs.
• Collaborate with Back End engineers to define contracts, troubleshoot integrations, and deliver seamless user experiences.
• Develop reusable component libraries and design patterns using Storybook.
• Ensure high standards around testing, quality, performance, and maintainability.
• Contribute to architectural discussions as the platform evolves away from Legacy technologies.

• 8+ years of software engineering experience.
• Strong React and TypeScript development experience.
• experience building complex enterprise-grade web applications.
• Strong understanding of REST APIs and microservice architectures.
• experience integrating Front End applications with Back End systems.
• Ability to understand API contracts, data flows, and Back End integration patterns.
• Strong understanding of testing, state management, and Front End architecture.
• experience working from Figma designs and collaborating with UX teams.

Additional Skills & Qualifications

• Development experience with Spring Boot.
• experience with Linaria.
• Familiarity with AG Grid Enterprise.
• Background in trading, exchange, or capital markets.
• experience working on high-performance, data-heavy applications.

Why Work Here?

Join a forward-thinking team dedicated to innovation and excellence in the trading platform industry. Benefit from a culture that encourages collaboration, continuous learning, and professional growth. Enjoy the opportunity to work on challenging projects and contribute to shaping the future of trading technology. Work Environment

Our work environment is dynamic and supportive, with cutting-edge technologies and tools. Developers have access to modern equipment and resources to facilitate high-quality work. The position involves working closely with a talented engineering team, with flexibility in working hours to promote work-life balance. Location

London, UK Rate/Salary

500.00 - 700.00 GBP Daily

Trading as TEKsystems. Allegis Group Limited, Bracknell, RG12 1RT, United Kingdom. No. 2876353. Allegis Group Limited operates as an Employment Business and Employment Agency as set out in the Conduct of Employment Agencies and Employment Businesses Regulations 2003. TEKsystems is a company within the Allegis Group network of companies (collectively referred to as “Allegis Group”). Aerotek, Aston Carter, EASi, Talentis Solutions, TEKsystems, Stamford Consultants and The Stamford Group are Allegis Group brands. If you apply, your personal data will be processed as described in the Allegis Group Online Privacy Notice available at our website.

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