Front End Developer

Haystack

United Kingdom · Contract · Mid-Senior

We're working with a leading high-impact government digital consultancy on this exciting opportunity.

Are you a seasoned developer with an active SC Clearance looking to make a tangible impact on national infrastructure? We are seeking a Front End Specialist to lead the architectural rebuild of a critical, large-scale application using a modern JavaScript/TypeScript stack to ensure high performance and scalability.

The Role

Lead the front-end rebuild of key modules for a major, high-profile government-backed program.
Architect and develop clean, production-grade code using TypeScript and modern JavaScript frameworks (React, Angular, or Vue).
Collaborate within a delivery-focused agile team to transform complex requirements into intuitive user interfaces.
Interface with data-heavy systems, potentially integrating statistical software or complex data-driven visualizations.
Ensure the application meets rigorous scalability and security standards essential for public sector deployment.

What You'll Need

Active SC Clearance (Essential – please do not apply without this).
6+ years of professional Front End Development experience in fast-paced environments.
Expert-level proficiency in TypeScript and JavaScript (ES6+).
Proven track record with modern frameworks like React.js, Vue.js, or Angular.
Experience building scalable, high-impact applications, ideally within the government or public sector.

What's On Offer

Full remote working flexibility for a better work-life balance.
A high-impact contract role contributing to critical national digital services.
Collaborative environment working alongside top-tier engineering talent.
Immediate start available for candidates with existing clearance.

Apply via Haystack today!

Key Skills

Ranked by relevance

javascript typescript angular reactjs react

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