cover image
Haystack

JavaScript Developer

Remote

United kingdom

Full Time

27-01-2026

Share this job:

Skills

Communication JavaScript TypeScript Problem-solving SEO git node.js Software Development Marketing Next.js Web Development

Job Specifications

Web and App Developer | United Kingdom | Remote

We're working with Datatech on this exciting opportunity.

Join a dynamic UK adventure business as they bring their web development in-house and revolutionize internal systems. This hands-on role offers the chance to make a real impact, evolving a high-performance customer-facing website and building innovative internal tools, all within a small, trusted tech team.

The Role

Evolve and maintain a modern, high-performance website, focusing on features, accessibility, and SEO fundamentals.
Build and integrate internal tools using Node.js or similar to replace legacy Power Apps and streamline workflows.
Own the full development lifecycle from discovery to release and iteration, ensuring practical solutions.
Collaborate closely with marketing and operational stakeholders to deliver impactful digital solutions.

What You'll Need

Proven commercial software development experience in web and/or internal systems.
Strong proficiency in JavaScript and TypeScript fundamentals.
Experience with front-end frameworks like Astro, Gatsby, or Next.js for component-based UI and responsive design.
Familiarity with back-end API development (Node.js) and workflow-driven methodologies.
A practical, adaptable mindset with excellent communication and collaborative instincts.

What's On Offer

The opportunity to work remotely within a supportive and innovative environment.
A chance to significantly impact both customer-facing platforms and internal operations.
Engaging, scenario-led interviews focused on your problem-solving abilities, not lengthy take-home tasks.
Work with a modern tech stack, including Git and AI-assisted development tools.

Apply via Haystack today!

About the Company

Discover Haystack - the UK's fastest growing tech hiring marketplace. Driven by our award-winning mobile app and web platform, Haystack connects active and passive tech talent directly with hiring managers and talent acquisition teams. We're trusted by over 150,000+ UK-based techies, working in Software Engineering, Data, Design, DevOps, Cloud, Tech Management, Testing, Product & Delivery, Architecture and more. 100s of employers from startups and scale-ups like Atom Bank, DuckDuckGo and Football Radar to established e... Know more