Join GTM Quest as a Backend Engineer to design and maintain high-performance Python APIs. You will own production services end-to-end, from architectural decisions to scaling and reliability. This role offers significant autonomy in a small team, allowing you to define the technical foundation of a growing platform while working in a hybrid London environment.
Backend Engineer at GTM Quest
GTM Quest is looking for a Backend Engineer in London to own production services end-to-end. If you have 4+ years of Python experience and a passion for building scalable revenue-engineering tools, this is your chance to join an early-stage team where you stop waiting for approval and start building. You will lead architectural calls and drive reliability for high-traffic systems in a hybrid London role with a salary of £65,000.
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Location
London, United Kingdom
Compensation
£65k
Company
GTM Quest
Role overview
GTM Quest is a London-based go-to-market consultancy and AI-powered platform for B2B SaaS and technology companies. It helps businesses develop predictable revenue engines through positioning, ideal customer profile definition, product launches, market-entry planning, account-based marketing, LinkedIn advertising, founder-led content, intent tracking, contextual outbound campaigns, and Clay-powered automation. The company combines AI-assisted strategy generation with expert consulting and hands-on execution.
What you will do
- Design, build, and maintain scalable backend APIs using Python and FastAPI on top of Postgres and Redis.
- Lead critical reliability and scaling projects to ensure the platform remains robust as user traffic and data volume grow.
- Manage the full operational lifecycle of services, including deployment via Docker/Kubernetes and maintaining system health on AWS.
Who this is a fit for
- Has 4+ years of professional experience building production-grade APIs in Python with a focus on FastAPI or similar frameworks.
- Demonstrates deep expertise in relational databases, specifically Postgres, with a proven track record of driving complex SQL-based projects.
- Possesses clear experience owning live services, including a history of personally driving significant scaling or reliability initiatives in production.
Why this role is remarkable
- Take full ownership of production services including uptime, performance, and incident response rather than just completing tickets.
- Join an early-stage revenue-engineering startup founded in 2024 where you can shape the platform’s architectural evolution from the ground up.
- Work in a high-impact, small-team environment that prioritizes technical autonomy and provides a direct hand in defining the product.
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.
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.
Meet Jack
What happens next?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and GTM Quest wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.