Lead Senior Full Stack JavaScript Developer. Job in Cardiff LilyLifestyle Jobs
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. GitHub 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+), TypeScript 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.
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