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Junior software engineer

Southampton
JR United Kingdom
Software engineer
Posted: 11 June
Offer description

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? Hybrid – Southampton (1 day fortnightly) | ? £40–60k + Equity | ? Deep-Tech Startup | ? £60B Market Opportunity

We’re hiring on behalf of a well-funded deep-tech startup that’s going after a £60B problem — making enterprise databases interchangeable. Backed by £1.2M in pre-seed and scaling toward a £7M raise, they’re already live with major customers and building out their UK engineering team as they hit their next growth phase.

If you're a curious, ambitious junior engineer who’s comfortable across multiple languages and ready to take on hard problems — this is your shot to learn fast, contribute early, and grow with the business.

The Mission:

They’re building a platform that lets enterprise applications move between SQL databases (PostgreSQL, MySQL, Oracle, etc.) without needing rewrites — solving deep interoperability and performance challenges that most teams wouldn’t even dare touch.

What You’ll Be Doing:

* Contributing to the development of a world-first database virtualisation platform
* Solving complex problems around speed, scale, and system design
* Working with modern tools and multiple languages (and learning new ones as you go)
* Writing clean, testable code and taking part in peer reviews
* Helping shape the early tech and product roadmap

What You’ll Need:

* Proficiency in 3+ programming languages (e.g., C++, TypeScript, Python, Java, Rust)
* Solid understanding of data structures, algorithms, and system fundamentals
* Experience working with SQL databases (e.g., PostgreSQL, MySQL, Oracle)
* Willingness to tackle new tools and unfamiliar problems
* Strong communication and collaborative mindset

Nice to Have:

* Any experience with Docker, Kubernetes, or cloud platforms (Azure, AWS, GCP)
* Knowledge of database internals or data migration concepts
* Familiarity with CI/CD (e.g., GitHub Actions)

Tech You’ll Touch:

Why You Should Join:

Solve real-world, enterprise-scale problems from day one

Work with senior engineers and learn in an environment that challenges you

Join just before a major growth phase — real ownership, real upside

Equity on offer — because your contributions will matter

If you’re excited by deep systems problems, fast growth, and building from scratch — hit apply

#J-18808-Ljbffr

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