Senior Software Engineer

Bright Purple; London; On-site; GBP 85,000 - 95,000; Full time

Job summary

A climate-tech scale-up in Central London is seeking a Senior Backend Engineer to enhance Python/Django services focused on enterprise decarbonisation. The ideal candidate has over 7 years of backend experience and strong API design skills. Join a high-performance team engaged in a mission to help the world's largest businesses reduce their carbon footprints. Competitive salary, share options, and extensive benefits are offered.

Benefits

Share options

Private healthcare

29+ days holiday including birthday and Christmas

Qualifications

• 7+ years’ backend experience, with essential expertise in Python.
• Strong knowledge of Django or similar frameworks and API design.
• Experience in scaling applications, focusing on performance and reliability.
• Proactive, problem-solving mindset with a love for collaboration.

Responsibilities

• Own and develop high-quality Python/Django backend services.
• Design elegant APIs and data flows for scalable, reliable systems.
• Collaborate with sustainability experts to translate requirements into robust solutions.
• Advocate for best practices in code quality, testing, and performance.

Skills

Python

Django

API design

Collaboration

Problem-solving

Job description

Overview

Senior Backend Engineer – Python/Django | Climate Tech Scale-Up

Location: Central London
Salary: c.£85-95k

Ready to make real impact with your code? This climate-tech scale-up is going through the gears, backed by world-class investors, and heading towards a big future. They’ve built a platform already trusted by global enterprise brands – and now the engineering team is growing fast to take things to the next level.

You’ll join as a Senior Backend Engineer, taking ownership of complex Python/Django services that power enterprise decarbonisation. Expect to design elegant APIs, tackle data-heavy challenges, and collaborate closely with sustainability experts and product teams.

What makes this special?

• High-performance engineering team – smart, passionate, and collaborative
• Big mission – accelerating how the world’s largest businesses understand and reduce carbon footprints
• Cutting-edge scale-up energy – late seed, gearing up for Series A, equity on offer so you share in the journey
• Modern stack & practices – Python, Django REST, APIs, cloud, CI/CD, and plenty of greenfield challenges

Responsibilities

• Own and develop high-quality Python/Django backend services that power enterprise decarbonisation
• Design elegant APIs and data flows to support scalable, reliable systems
• Collaborate with sustainability experts and product teams to translate requirements into robust solutions
• Define, implement, and advocate for best practices in code quality, testing, and performance

Qualifications

• 7+ years’ backend experience (Python expertise essential)
• Strong knowledge of Django (or similar) and API design
• Experience scaling apps, with an eye for performance and reliability
• A proactive, problem-solving mindset and love for collaboration
• Enjoy a collaborative, modern office environment with team lunches, regular away days, and lots more

Package & Benefits

• Competitive salary, share options, private healthcare, and 29+ days holiday (including birthday and Christmas extras)

This is more than just a backend role – it’s your chance to help shape a product, a company, and a movement with global impact.

Interested? Apply now and we’ll be in touch.

Bright Purple is an equal opportunities employer: we are proud to work with clients who share our values of diversity and inclusion in our industry.