Senior Software Engineer

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

Job summary

A climate-tech scale-up in Central London is looking for a Senior Backend Engineer to lead the development of complex Python/Django services for enterprise decarbonisation. The ideal candidate will have over 7 years of backend experience, be proficient in Django, and have a passion for sustainability. The role offers a competitive salary, share options, private healthcare, and significant holiday time. It's an opportunity to shape a product with global impact.

Benefits

Competitive salary

Share options

Private healthcare

29+ days holiday

Qualifications

• 7+ years of backend experience with a focus on Python.
• Strong understanding of Django and API design.
• Experience in app scaling and performance optimization.

Responsibilities

• Design and develop Python/Django services for carbon decarbonisation.
• Collaborate with sustainability experts and product teams.
• Create elegant APIs and tackle data-heavy challenges.

Skills

Backend experience (Python expertise essential)

Knowledge of Django and API design

Scaling apps with performance in mind

Problem-solving mindset

Team collaboration

Tools

Python

Django

REST APIs

CI/CD

Job description

Overview

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

Central London — 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

You’ll be a great fit if you bring:

• 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, chic, and modern office environment with team lunches, regular away days, and lots more!

Package highlights: 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.

Equal Opportunities 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.