The Senior Software Developer (Middleware Accounts Systems) is a hands‑on technical specialist responsible for designing, building, and maintaining the backend services that power SunBet’s payment processing, financial transaction management, and gaming provider integrations. The role demands deep expertise in Node.js, strong database skills, and a thorough understanding of secure, high‑availability systems in a regulated iGaming environment. This developer will own critical integration points, ensuring reliable fund flows, accurate transaction reconciliation, and seamless connectivity with game aggregators, payment gateways, and third‑party financial services.