Senior JavaScript Developer

Senior Full Stack JavaScript Developer

Salary: £60,000 - £80,000 base salary plus benefits, perks, and healthcare options

Location:

Cardiff - Hybrid

We're looking for a Senior Full Stack JavaScript Developer to join a fast-moving engineering team building modern web and mobile applications that deliver real impact.

You'll lead technical delivery, mentor engineers, and help shape scalable, secure solutions across projects involving cutting-edge technologies including AI, cybersecurity, and autonomous systems.

What you'll do:

Lead and mentor developers, driving engineering best practices
Build scalable web & mobile apps using JavaScript, Node.js, React/Angular/Vue
Design and develop robust front-end and back-end systems
Apply TDD and modern development practices
Collaborate with architects, clients, and cross-functional teams
Use AI tools (e.g. Git Hub Copilot) to enhance delivery and quality

What we're looking for:

Strong full stack JavaScript experience (Node.js + modern frameworks)

Experience with Express.js, Nest.js, or Hapi.js
Front-end expertise in React, Angular, Vue or similar (including Remix.js)
Strong HTML5, CSS3, JavaScript (ES6+), Type Script skills
Experience in a senior/lead role with mentoring responsibility
Passion for building scalable, high-quality software

Why join us?
Work on meaningful, high-impact projects in a flexible, hybrid environment where innovation, collaboration, and wellbeing are genuinely prioritised.

If you're ready to take the lead on exciting engineering challenges, we'd love to hear from you