Front End Developer
Posted Today by Haystack
£650 Per day
Inside
Undetermined
London, England, United Kingdom
Summary: This role is for a Senior Front End React Developer at a leading digital transformation consultancy, focusing on developing secure, data-driven services for UK Law Enforcement. The position requires expertise in React and modern JavaScript, with a strong emphasis on accessibility and collaboration with backend teams. The developer will also provide mentorship to junior staff while ensuring high code quality. Active SC Clearance is essential due to the sensitive nature of the work.
Key Responsibilities:
- Lead the architecture and delivery of scalable front-end solutions using React and modern JavaScript (ES6+).
- Spearhead accessibility initiatives, ensuring all interfaces meet WCAG 2.1 AA/AAA standards and GDS guidelines.
- Implement robust, reusable components aligned with the GOV.UK Design System to ensure a seamless citizen experience.
- Collaborate closely with Backend Engineers to integrate RESTful APIs and optimize end-to-end performance.
- Provide technical leadership and mentorship to junior developers while maintaining high code quality through rigorous peer reviews.
Key Skills:
- Active SC Clearance (Security Cleared).
- Extensive professional experience as a Senior Front End Developer with mastery of React, Hooks, and State Management.
- Proven track record delivering projects within UK Government or Public Sector environments, with knowledge of the GOV.UK Design System.
- Expert-level understanding of web accessibility standards (WCAG) and tools for testing compliance.
- Strong proficiency in TypeScript, CSS/SASS, and integrating complex RESTful API architectures.
Salary (Rate): £650 daily
City: London
Country: United Kingdom
Working Arrangements: undetermined
IR35 Status: inside IR35
Seniority Level: Senior
Industry: IT
Front End React Developer | £550 - £650
We're working with a leading digital transformation consultancy delivering mission-critical public sector infrastructure on this exciting opportunity. This is a high-impact contract for a Senior React specialist to spearhead the development of a secure, data-driven service within UK Law Enforcement. You will be responsible for building highly accessible, user-centric interfaces that handle complex data sets at scale, utilizing a modern JavaScript stack to protect and serve the public interest.
The Role
- Lead the architecture and delivery of scalable front-end solutions using React and modern JavaScript (ES6+).
- Spearhead accessibility initiatives, ensuring all interfaces meet WCAG 2.1 AA/AAA standards and GDS guidelines.
- Implement robust, reusable components aligned with the GOV.UK Design System to ensure a seamless citizen experience.
- Collaborate closely with Backend Engineers to integrate RESTful APIs and optimize end-to-end performance.
- Provide technical leadership and mentorship to junior developers while maintaining high code quality through rigorous peer reviews.
What You'll Need
- Active SC Clearance (Security Cleared) is essential for this role given the sensitive nature of the data environments.
- Extensive professional experience as a Senior Front End Developer with a deep mastery of React, Hooks, and State Management.
- Proven track record delivering projects within UK Government or Public Sector environments, with specific knowledge of the GOV.UK Design System.
- Expert-level understanding of web accessibility standards (WCAG) and tools for testing compliance.
- Strong proficiency in TypeScript, CSS/SASS, and integrating complex RESTful API architectures.
What's On Offer
- Competitive day rate of £550 - £650 (Inside IR35).
- Opportunity to work on a high-profile national security project with tangible real-world impact.
- Central London office location providing a collaborative and secure working environment.
- Long-term contract potential within a stable and fast-growing consultancy environment.
Apply via Haystack today!