As one of the first London-based engineers, you will build and own production-grade Python services for AI-driven products. You will design scalable APIs, optimize Postgres data layers, and lead architectural decisions. This role offers genuine end-to-end ownership, from initial specification to production monitoring, within a high-momentum team expanding its UK presence.
Back to all jobs
Find a job with Jack
Backend Engineer at Volumetree
Are you a Python expert looking for genuine ownership? A global AI-first product studio with a portfolio of 80+ enterprise clients is launching its London engineering hub. As an early UK hire, you’ll bypass the 'cog in the machine' experience to design, build, and run production services end-to-end using FastAPI, Postgres, and AWS. If you thrive in high-autonomy environments and want to work directly with founders to ship AI-driven products for massive global clients, this is your chance to shape the foundation of a growing team.
About this role
Role overview
About the company
Volumetree
Global AI-first product studio with a portfolio of 80+ enterprise and government clients
What you'll do
What you will do
- Architect and maintain high-performance Backend services using Python (FastAPI), Postgres, and Redis.
- Own the entire product lifecycle from initial system design through to AWS deployment and production reliability.
- Work directly with the founding team to translate complex requirements into scalable, AI-driven technical solutions.
Who you are
Who this is a fit for
- Possesses 4+ years of experience building production APIs in Python with a focus on FastAPI, Django, or similar frameworks.
- Demonstrates mastery of SQL and schema design, with a proven track record of optimizing database performance at scale.
- Shows a strong sense of ownership and experience managing production environments using AWS, Docker, or Kubernetes.
Why this role
Why this role is remarkable
- Join as a founding member of the London engineering hub with direct influence over team culture and technical standards.
- Experience the autonomy of an early-stage hire backed by the stability of a company with revenue and a massive global client base including Tata.
- Move fast with a high-performance team that prioritizes shipping code to real users over bureaucratic red tape.
Jack & Jill
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
How does this work?
Tell Jack what you want
He learns what great work looks like for you, then scans 15M jobs every night to find your best matches.
Reply to refine your search
React to roles in-app or by email. Jack adjusts, tracks applications, and keeps improving the more you share.
Land the role
Mock interviews, salary benchmarking, and coaching calls. Free for candidates.