Back End Developer
New Today
Job Description
Senior Backend Engineer – Remote first, London office (UK)
£65k–£75k | ⏳ Full-time, 4-day work week
I’m working with an exciting client who is looking for a Senior Backend Engineer to join their mission-driven team transforming frontline public services with AI. This is a unique opportunity to work on cutting-edge technology that helps teams delivering citizen services, from employability and housing to well being and justice, reduce admin, improve compliance, and spend more time on meaningful human work.
What You’ll Do:
- Build and scale core backend systems, APIs, data pipelines, and integrations
- Collaborate with CTO, product, and design teams to deliver tools used by real frontline workers
- Write maintainable, tested, and secure code that scales with real-world impact
- Make key technical decisions and help shape architecture as the product grows
What We’re Looking For:
Our client isn’t just hiring skills, they’re hiring the right person. You’ll thrive in this role if you are:
- Passionate about the work you do and the impact it has
- Driven and invested in building technology that improves lives
- Reliable and consistent, with a strong sense of ownership and judgement
You’ll also bring:
- 5+ years of professional engineering experience, building backend services/APIs for enterprise-grade applications
- Expertise in Python/Flask; async patterns a plus
- Hands-on experience with AWS or similar cloud platforms
- Interest or experience in AI systems/LLMs
Why Join:
- Help reshape how frontline services work in the UK and beyond
- 4-day work week (paid for 5) and remote-first flexibility
- Work with a small, mission-driven team backed by world-class partners
- Be part of something transformative and build tech that truly matters
If you care about code quality, values, and real social impact, please send your CV to zoe.hinkinson@propellondon.com
- Location:
- City Of London
- Job Type:
- FullTime
- Category:
- Technology
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