Platform Engineer at Saturnos.com

Company: Jack & Jill/External ATS
Apply for the Platform Engineer at Saturnos.com
Location: London
Job Description:

Job Title

Platform Engineer

Company Description

Saturnos.com – Series A, YC-backed AI fintech

Job Description

Join a high-caliber engineering team from Cred and Postman building the AI-native operating system for the £100B+ financial advice industry. You will design and own core infrastructure, data pipelines, and compliance engines that automate 70% of manual administration. This is a critical role building the bulletproof foundation for Saturn’s next 50x growth phase.

Location

London, UK

Why this role is remarkable

  • Work at the intersection of AI, regulation, and fintech within a cashflow-positive, Series A startup backed by Y Combinator.
  • High-impact ownership over core infrastructure where correctness is paramount, serving 600+ firms and 6,500+ advisers across the UK.
  • Join an elite engineering culture with veterans from Gojek and Slice, offering significant equity and a path to massive scale.

What you will do

  • Design and maintain scalable backend infrastructure and internal platforms using Go, TypeScript, and Python on AWS.
  • Own the reliability and observability of core financial services including data ingestion pipelines and AI/LLM infrastructure.
  • Build robust, well-tested connectors for third-party financial platforms and back-office systems to serve as Saturn’s system of record.

The ideal candidate

  • Has 3-4 years of experience building production backend systems, preferably in fintech or high-stakes, data-critical environments.
  • Demonstrates strong hands‑on proficiency in Go and TypeScript with a deep understanding of distributed systems and event‑driven architecture.
  • Possesses systems‑level thinking and an obsession with data integrity, auditability, and building fault‑tolerant services that handle sensitive financial data.

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Posted: April 17th, 2026