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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
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.
- 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.
- 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.
Key Skills
Ranked by relevance
javascript
typescript
angular
reactjs
react
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- Posted
- Mar 29, 2026
- Type
- Contract
- Level
- Mid-Senior
- Location
- London
- Company
- Haystack
Industries
Technology
Information
Internet
Categories
Engineering
Information Technology
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