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Senior or Mid Level Developer
Posted 2 hours 16 minutes ago by IO Associates
Mid or Senior Software Engineer (Backend-leaning)
Mostly remote | Bristol (1 day a week ideally)
I'm working with a down-to-earth, product-led company that gives its engineers real autonomy, not just to ship code, but to shape how the platform is built.
I'm looking to speak with experienced engineers who have a strong focus on clean code, testability, and engineering best practice.
This is not a "ticket-factory" role - you'll be trusted to make technical decisions, improve the platform, and influence how things are done
The role
You'll be hands-on across the Back End, helping to rewrite and modernise a Legacy PHP platform into a TypeScript-based, Node.js, service-driven architecture.
You'll also play a key part in setting engineering standards and supporting more junior developers.
You should be someone who knows what good looks like - in code, architecture, testing, and delivery - and can communicate that clearly to others.
What really matters
This team is open to different tech backgrounds, but these are non-negotiable:
Must-have
- Strong TypeScript experience (this is the core language)
- Backend-leaning mindset (APIs, services, data, not just UI)
- Test-Driven Development (TDD) or strong automated testing discipline
- A solid understanding of engineering best practice (clean code, separation of concerns, maintainability, scalability)
Nice to have
- Node.js
- AWS, MongoDB, or modern cloud-native platforms
- GitHub, CI/CD
- Experience with PHP or modernising Legacy systems
- Data-heavy, time-series, or IoT-style platforms
This is a true greenfield rebuild backed by real investment.
You get the pace and impact of a start-up, but with stability, runway, and leadership that cares about doing things properly.
For a more in-depth conversation - apply online and your profile will be reviewed within 24hours.
IO Associates
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