You will join a lean, ambitious team building a category-defining AI operating system for private capital markets. As a senior engineer, you will own features from conception to production, designing robust backend services and agentic frameworks that help top-tier investment firms process complex data and unlock deeper financial insights at scale.
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Senior / Staff Backend Engineer at Fast-growing AI fintech startup
Are you a Senior or Staff Backend Engineer ready to redefine how private capital firms analyze deals? This well-funded AI startup is building an industry-leading operating system that replaces manual due diligence with agentic intelligence. Working directly with the founders, you will own the architecture of scalable data pipelines and autonomous financial toolkits. If you have 4+ years of experience in high-growth startups and expertise in Python and distributed systems, this is your chance to secure a high-impact role with significant equity in an ultra-growth venture.
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Location
London, United Kingdom
Compensation
Not Disclosed + Equity
Company
Confidential company
Role overview
About the company
Fast-growing AI fintech startup
What you will do
- Design and implement new capabilities for an autonomous agentic framework to achieve human-level analytical expertise.
- Build and maintain scalable data pipelines for ingesting, processing, and indexing large volumes of complex documents.
- Develop performant, streaming-first APIs and distributed systems that power the core platform's decision-making engine.
Who this is a fit for
- 4+ years of software engineering experience at a venture-backed startup or top-tier technology firm.
- Deep technical expertise in Python, FastAPI, and distributed systems like Postgres, ElasticSearch, and message queues.
- Proven track record of taking complex products from ideation to production in a fast-paced, high-velocity environment.
Why this role is remarkable
- Work directly with a founding team backed by top-tier VCs and industry executives from leading global investment firms.
- Massive growth trajectory with significant product-market fit and a rapidly expanding international customer base in the US and Europe.
- High-impact opportunity to shape the technical vision of an ultra-growth venture while participating in substantial equity upside.
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 Confidential company wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.