Founding Platform Engineer | Stealth Fintech | London | Up to £200k + Equity

Founding Platform Engineer | Stealth Fintech | London (Min. 4 days/week onsite in London) Up to £200k + Equity | Hybrid London Maze is partnering with a stealth-mode startup that\’s rebuilding core banking from the ground up. They’re creating the world’s first open-source, AI-native \”Thin Ledger\”—set to replace legacy infrastructure at Tier 1 banks. We\’re looking for a Founding Platform Engineer to drive the infrastructure behind mission-critical systems: think active-active, five-nines uptime, and real-time observability at global scale. What You\’ll Do: Own platform architecture for our next-gen ledger infrastructure Scale multi-region Kubernetes environments across cloud & on-prem Harden distributed systems (Kafka, Redis, CockroachDB) for global banking workloads Lead our AI-powered SRE approach: observability, remediation, and auto-response Enforce zero-trust, multi-tenant security and compliance (SOC2, ISO 27001) Define IaC foundations (Terraform, GitOps, Helm) What We\’re Looking For: Expert with Kubernetes and Distributed Systems Experience building production infrastructure at scale (multi-region, high-availability) Extensive experience building both on-Prem & Cloud infrastructure at scale from scratch. Strong SRE mindset: SLOs, SLIs, incident response AI-curious or AI-native: excited to build agent-powered ops Experience working in fast-paced, early stage environment. Someone who is currently hands on (not someone primarily focused on strategy & people management) Passion for open-source, clean architecture Software Development experience (Bonus points for Go(Golang)) Bonus: background in financial systems, core banking, or regulated infra Why join: Huge ownership: build core infra from scratch. Work with a high-caliber team, fast-paced and product-minded founders who have worked in some of the most recognised tech businesses in the world. Help define an open-source platform from day one. Clear path to tech unicorn status with fruitful equity included. Recently raised 8 figures in funding. If your skillset matches, apply within. Please note: Due to the high volume of applications we are not always able to respond to all applicants, if you have not had a response within 7 days of your application it is likely it has been unsuccessful.