Senior Python Developer – Scientific Software

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Senior Python Developer / Engineer Cirencester to £85k

Opportunity to work on complex and interesting systems related to Artic 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 Senior Python Developer you will design and develop Greenfield, data centric applications that monitor artic 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 CompSci 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

What's in it for you

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

Apply now to find out more about this Senior Python Developer / Engineer opportunity.

#J-18808-Ljbffr”, “datePosted”: “2026-05-18”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Client Server”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__435628470__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=722” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “Cirencester” } } }
Company: Client Server
Apply for the Senior Python Developer – Scientific Software
Location: Cirencester
Job Description:

Senior Python Developer / Engineer Cirencester to £85k

Opportunity to work on complex and interesting systems related to Artic 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 Senior Python Developer you will design and develop Greenfield, data centric applications that monitor artic 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 CompSci 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

What’s in it for you

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

Apply now to find out more about this Senior Python Developer / Engineer opportunity.

#J-18808-Ljbffr…

Posted: May 18th, 2026