Golang Backend Engineer - Card Payments & Issuing

BIT is looking for a skilled Golang backend engineer to support its card payment and card issuing systems in Singapore. You will develop and optimize core services handling issuance, accounts, authorization, clearing, settlement, and billing.

You will contribute to end-to-end transaction flows, system architecture, and performance improvements while ensuring security and reliability in a high‑volume fintech environment. Collaboration with product, security, and operations is expected.