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 Git workflow and code review habits
Clear communicator who can collaborate cross-functionally
Nice to have:
- Core Web Vitals optimisation
- 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.
#J-18808-Ljbffr”, “datePosted”: “2026-05-17”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Accelero”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__434437966__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=33” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }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 Git workflow and code review habits
Clear communicator who can collaborate cross-functionally
Nice to have:
- Core Web Vitals optimisation
- 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.
#J-18808-Ljbffr…
