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🥝 Principal Software Engineer

Accelero | london, United-Kingdom | Posted May 27, 2026

Job Description

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
  • Contributing to architectural decisions
  • Mentoring engineers and raising the technical bar

What We’re Looking For

Strong commercial experience with React & Next.js

Experience shipping production-scale applications

CI/CD experience (GitHub Actions preferred)

Strong G...

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