Backend Software Engineer Python – Start-up

Company: Client Server
Apply for the Backend Software Engineer Python – Start-up
Location: Cirencester
Job Description:

Salary: GBP70,000 – GBP85,000 per annum + equity + benefits

Backend Software Engineer / Developer Cirencester to £85k

Opportunity to work on complex and interesting systems related to Polar Exploration in a beautiful Cotswolds-based office, as part of a small team at a tech start-up, where you can make an impact and progress your career.

As a Backend Software Engineer you will design and develop greenfield, data‑centric applications that monitor Arctic ice flows and various other data points for clients within governments, defence, energy exploration and conservation. You’ll focus on Python backend services, taking ownership of projects and working end-to-end from ideation through to production of new features and applications.

Location

You’ll be based in a beautiful Cotswolds (near Cirencester) office, with stunning views and a range of facilities including free parking onsite (not commutable on public transport).

About you

  • You have strong Python backend development skills; Ruby would also be useful but not essential
  • You have a strong knowledge of computer science fundamentals such as OOP, data structures, design patterns
  • You’re comfortable using AI tools such as Claude in your everyday workflow
  • You have experience in a start‑up or small business, keen to work on greenfield projects with ownership
  • You’re collaborative with great communication skills, happy to partake in technical discussions and decision‑making
  • You’re degree educated in a STEM discipline

What’s in it for you

  • Salary to £85k
  • Equity
  • Impactful role with great career progression as the company scales

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Posted: May 22nd, 2026