#CV #Backend #NodeJS #TypeScript #NestJS #iGaming #Fintech #Payments #Remote #Relocation
Backend engineer for money-critical systems โ wallets, payment flows, provider integrations
Full-Stack Developer โ Backend-Focused ยท 4+ years ยท Node.js / TypeScript
What I build on a multi-brand iGaming platform (100K+ transactions a day):
โข Wallet money path: bets, wins, rollbacks, deposits/withdrawals, fund holds โ row-level locking, idempotent provider callbacks
โข Sportsbook layer: one internal contract over several providers, switchable per brand
โข Game provider integrations: signature checks, timeouts, deterministic idempotency keys
โข RabbitMQ event backbone between wallet, bonus and game services
โข โ60% response time on hot endpoints (CQRS + Redis), โ30% infra cost (K8s right-sizing)
Stack: NestJS, PostgreSQL, Redis, RabbitMQ, Docker, Kubernetes
Open to backend / full-stack roles in iGaming, fintech, payments. Remote or relocation.
Telegram: @kerim_0x
Email:
[email protected]