Backend Developer

About QBYSSQBYSS is a UK-based power conversion technology company on a mission to replace legacy power architectures with programmable, software-defined solutions.

Our patented technologies combine advanced power electronics with QBYSS Digital Power software for real-time control. We’re developing compact, highly efficient and reliable power solutions that use fewer components, reduce wasted electricity and help extend product lifespans.

From everyday lighting to data centres, electric vehicles and demanding industrial applications, our ambition is to help power an increasingly electrified world with less energy waste and a smaller environmental footprint.

About the roleDevelop the services and integrations behind QBYSS’s internal applications and business workflows. You’ll work with APIs, databases and application logic to make information reliable and accessible to authorised users.

What you’ll do· Build and maintain APIs and backend services for defined requirements.

• Design database queries and support clean, consistent data handling.
• Implement validation, authentication and appropriate access controls.
• Investigate errors and improve logging, performance and reliability.
• Write tests and documentation and collaborate on code reviews and releases.

What we’re looking for· Working knowledge of Python, JavaScript, TypeScript or another backend language.

• Understanding of HTTP APIs, relational databases and basic security principles.
• Experience using Git and debugging applications.
• Projects demonstrating backend functionality and clear code organisation.

Useful but not essential· Experience with FastAPI, Django, Node.js or a similar framework.

• Exposure to cloud deployment, containers or automated testing.

Why join QBYSSBuild dependable software services and gain experience supporting real business workflows.

• Recent graduates and early-career applicants are encouraged to apply.