Principal Software Engineer
Prinicpal Software Engineer
Next.js | React | GitHub Actions
Hammersmith (Hybrid)
£100,000 to £110,000
Build modern products. Not legacy patches.
We’re hiring a Principal Software Engineer to help shape and scale high-performance web applications using Next.js and React .
This isn’t a maintenance role.
This isn’t a ticket factory.
You’ll have real ownership. Real technical input. Real impact.
What You’ll Be Doing
- Designing and building scalable applications with Next.js & React
- Writing clean, maintainable TypeScript
- Improving and maintaining CI/CD pipelines using GitHub Actions
- Driving performance optimisation and best practices
- Owning features end-to-end (build → test → deploy)
- Contributing to architectural decisions
- Mentoring engineers and raising the technical bar
What We’re Looking For
✔ Strong commercial experience with React & Next.js
✔ Deep knowledge of JavaScript / TypeScript
✔ Experience shipping production-scale applications
✔ CI/CD experience (GitHub Actions preferred)
✔ Strong Git workflow and code review habits
✔ Clear communicator who can collaborate cross-functionally
Nice to have:
- Core Web Vitals optimisation
- Cloud exposure (AWS / Azure / GCP)
- Experience in product-led or scaling environments
Why Join?
- Modern stack
- Hybrid working (Hammersmith base)
- Real ownership and autonomy
- Engineering-led culture
- £100k to £110k salary band
If you’re a senior engineer who wants to influence architecture, improve systems, and work in a team that values quality — let’s talk.