You will lead the development of high-performance backend systems for an AI-native platform serving major financial institutions. By building scalable infrastructure and sophisticated agentic workflows, you will enable complex data processing and investment intelligence at scale. This role offers end-to-end ownership in a high-growth environment focused on transforming global finance operations.
Senior Backend Engineer at VC-backed AI fintech startup
You will own the backend infrastructure for complex AI workflows and high-scale data pipelines in a high-autonomy London environment.
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Location
London, United Kingdom
Compensation
Not Disclosed
Company
Confidential company
Role overview
About the company
VC-backed AI fintech startup
What you will do
- Design and implement scalable backend services using Python and modern web frameworks to support complex, long-running AI workflows.
- Build and maintain distributed data pipelines and search infrastructure to handle large-scale document processing and real-time data extraction.
- Collaborate with product and AI teams to integrate large language models into core platform features for production-grade reliability and performance.
Who this is a fit for
- Has 5+ years of experience building and operating production-grade backend systems at a venture-backed startup or top-tier technology company.
- Demonstrates deep expertise in Python, distributed systems, and modern database technologies like Postgres or various messaging queues.
- Thrives in high-autonomy environments and has a proven track record of taking complex features from initial design to production.
Why this role is remarkable
- Join a well-funded Series A startup that has achieved massive revenue growth and established strong product-market fit with top-tier global firms.
- Own the core infrastructure of an AI-first platform, making critical architectural decisions and driving technical strategy for a rapidly scaling engineering team.
- Work alongside experienced startup veterans to build the next generation of intelligent tools for a massive, multi-trillion-dollar financial sector.
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.
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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 Confidential company wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.