As a Backend Engineer, you will build and scale high-performance APIs for a fast-growing fintech platform. You will take full ownership of production services using Python and FastAPI, ensuring system reliability and performance. This is a hybrid role based in London, offering the chance to solve complex technical challenges within a collaborative engineering environment.
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Backend Engineer at well-funded fintech SaaS
Are you a Python expert looking to own high-impact scaling projects at a well-funded fintech SaaS? We are looking for a London-based Backend Engineer to build robust APIs with FastAPI and drive production reliability. This is a rare opportunity to join a top-tier VC-backed team where you will have full autonomy over your services and work with a modern, event-driven stack. If you have 4+ years of experience and a passion for building resilient systems, this hybrid role in London is the perfect next step for your career.
Overview
Role overview
Company
About the company
Well-funded fintech SaaS
Responsibilities
What you will do
- Design, develop, and maintain robust backend APIs using Python (FastAPI) and SQL.
- Take full end-to-end ownership of production services from initial design through to deployment and monitoring.
- Collaborate with cross-functional teams to architect scalable systems and implement event-driven architectures.
Candidate profile
Who this is a fit for
- Has 4+ years of professional experience building and maintaining production APIs with strong proficiency in Python.
- Demonstrates deep expertise in SQL and database management, specifically with Postgres and Redis environments.
- Shows a proven track record of owning scaling or reliability projects with exposure to AWS and containerization tools.
What makes it remarkable
Why this role is remarkable
- Work with a modern, high-performance tech stack including FastAPI, Redis, and Postgres in a high-growth environment.
- Join a well-funded organization backed by top-tier VCs that prioritizes technical excellence and production stability.
- Take significant ownership over scaling projects and reliability initiatives that directly impact the product roadmap.
Jack & Jill
How Jack & Jill work together
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 14 million jobs daily and introduces you directly to hiring managers.
How does this work?
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 it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.