Relai is a Bitcoin-only investing app serving users across Europe, with a mission to make Bitcoin a simple, accessible, and secure savings technology. Its mobile and web platform enables individuals, high‑net‑worth clients, and small and medium‑sized businesses to buy, sell, and hold Bitcoin without unnecessary complexity or intermediaries. Backed by Series A funding, Relai operates as a remote‑first team and builds a modern backend of microservices in Go to deliver scalable, low‑latency experiences. Product and engineering practices emphasize end‑to‑end ownership, high‑quality releases, measurable outcomes, and close collaboration across Product, Engineering, Growth, and Leadership. The company works within European regulatory, compliance, and KYC/AML requirements and iterates quickly to maintain product‑market fit as it scales and explores additional trading capabilities. Candidates who value pragmatic problem‑solving, code quality, and user‑centric design will find a culture oriented toward continuous improvement and high performance.