Senior Backend Engineer, Payments, Ledger & Provable Fairness at Noricum
Core
Building the server-authoritative game engine, double-entry ledger, and payment rails for a pre-launch wagering platform with a Steam skins economy.
Role type
Senior Backend Engineer (Payments, Ledger & Provable Fairness)
Builds
Server-authoritative game engine, double-entry ledger, payment rails, and affiliate system for a wagering platform
Domain
Fintech / Gaming / Blockchain
Deliverable
production ML models | product features | infrastructure
Required skills
double-entry ledger implementation, payment integration with webhook idempotency, server-side enforcement logic, auth and session management, end-to-end infrastructure ownership, seed custody management, provably-fair system design
Preferred skills
settlement-side gaming or trading infrastructure experience, Steam trade automation experience
Technologies
None explicitly stated
Responsibilities
Design and implement a server-authoritative game engine handling seeds, nonces, and outcome computation; Build a double-entry ledger where balance is derived and immutable from client writes; Enforce limits and refusal logic server-side; Implement idempotent payment rails handling duplicated webhooks; Manage seed custody and provably-fair lifecycle; Develop an affiliate system with referral attribution and commission payouts