Join Saturnos.com to architect backend systems at the intersection of distributed systems, AI, and regulated financial infrastructure. You will own platform capabilities from design to production, building event-driven architectures with Kafka and Go to scale services from independent firms to major global institutions while defining the future of wealth management technology.
Senior Backend Engineer at Saturnos
Saturnos.com is a Y Combinator-backed fintech powerhouse transforming the $100 trillion wealth management industry. Having recently acquired a legacy market leader, they now support over 9,000 professionals managing $500bn in assets. They are seeking a Senior Backend Engineer to join their high-calibre team—featuring talent from Rippling and Postman—to build event-driven, Kafka-based infrastructure from their five-story London office. This is a rare opportunity to own core platform capabilities and design durable systems at the intersection of AI and regulated finance for a company with a credible path to 50x growth.
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Location
London, United Kingdom
Compensation
Not Disclosed
Company
Saturnos
Role overview
SoftwareLondon, United KingdomSeries A (VC-backed)
Saturn fintech Limited is a UK-registered software platform provider specializing in an AI-powered operating system for wealth management. Their platform automates investment research, compliance, and back-office workflows for wealth managers, significantly reducing operational costs and increasing efficiency. The company aims to make wealth management more accessible and scalable by automating manual compliance and administrative tasks, enabling wealth managers to focus more on client engagement and growth. They provide compliance services, back-office automation, and AI-driven tools tailored to the needs of wealth management firms.
Backed by Singular, Shapers, Y Combinator, Zeno Ventures.
What you will do
- Design and own significant backend services and platform capabilities using Go, TypeScript, and Kafka-based event-driven architectures to process high volumes of financial data.
- Architect reliable, long-running workflows that preserve provenance and auditability across complex financial households, products, and regulatory controls.
- Build the critical interfaces and data pipelines that provide reliable, permissioned context to Saturnos.com’s AI platform, enabling automated compliance and investment research.
Who this is a fit for
- Brings 5+ years of experience building and operating production backend systems, with deep expertise in Go, TypeScript, or similar languages for distributed environments.
- Demonstrates a strong command of Kafka or equivalent messaging systems, specifically regarding ordering, idempotency, and handling partial failures in mission-critical workflows.
- Has a track record of modeling complex, data-critical systems across SQL/NoSQL and ideally experience in regulated domains like fintech, healthcare, or legal.
Why this role is remarkable
- Join a Y Combinator 2024 breakout that is already the UK leader in AI transformation for financial advice, following a major acquisition of a legacy industry giant.
- Work on technically complex infrastructure involving $500bn in assets, where you will define the patterns for high-integrity, event-driven financial systems that do not yet exist.
- Collaborate with a high-calibre engineering team featuring early members from Rippling, Postman, and Gojek in a brand-new five-story office featuring an on-site gym.
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.
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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 Saturnos wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.