Join a high-growth London team building reliable financial infrastructure. You will take full ownership of production services, architecting scalable APIs and optimizing backend performance. This hybrid role focuses on building robust systems that handle high-throughput transactions while ensuring the platform remains resilient and secure as the company scales to meet global demand.
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London, United KingdomNot Disclosed
Backend Engineer at well-funded fintech SaaS
We are looking for a Backend Engineer to join a well-funded fintech SaaS startup in London. If you have 4+ years of experience building scalable APIs with Python and FastAPI, and you enjoy taking full ownership of production services, this is an incredible opportunity to shape a high-performance platform at a critical growth stage.
Overview
Role overview
Company
About the company
well-funded fintech SaaS
Responsibilities
What you will do
- Design and implement high-performance APIs using Python and FastAPI.
- Manage and optimize data persistence layers utilizing Postgres and Redis.
- Lead the end-to-end lifecycle of production services, from deployment to maintenance.
Candidate profile
Who this is a fit for
- 4+ years of professional experience building and scaling backend APIs.
- Deep proficiency with SQL and designing efficient relational data models.
- Proven track record of owning system reliability and production scaling projects.
What makes it remarkable
Why this role is remarkable
- Significant technical ownership over production services and critical backend architecture.
- Backed by top-tier VCs with strong market traction in the fintech sector.
- Opportunity to solve complex scaling challenges within a modern, high-performance tech stack.
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 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.
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