Senior Backend Engineer focused on Payments and Fintech, based in Romania with remote work (Remote OK). This role owns the architecture and implementation of a canonical payments, subscriptions, billing, and entitlement platform from the ground up, rebuilding financial systems for a rapidly growing global platform. You will work with Finance, Operations, and technical leadership to ensure every payment, entitlement, refund, and financial record is accurate and traceable, and you will lead the migration from legacy systems to a reliable, auditable platform without disrupting live operations. This is an ideal opportunity for an experienced engineer who enjoys solving complex money-system problems where correctness, reliability, and data integrity are critical. Responsibilities include designing an append-only billing ledger in PostgreSQL; owning the complete subscription lifecycle; building robust payment gateway ingestion pipelines; handling refunds, chargebacks, disputes, and proration; creating data pipelines for close, revenue recognition, tax reporting, and analytics; maintaining customer-facing billing experiences; and guiding regional cutovers and data backfills. Requirements: 6–10 years of backend engineering experience with Go, strong relational database design and SQL; experience building or rebuilding payment, subscription, billing, and ledger systems end-to-end; understanding of financial systems around ledgers, reconciliation, and taxation; advanced SQL skills; working knowledge of TypeScript/React for frontend components; experience with multi-entity, multi-curr

Senior Backend Engineer focused on Payments and Fintech, based in Romania with remote work (Remote OK). This role owns the architecture and implementation of a canonical payments, subscriptions, billing, and entitlement platform from the ground up, rebuilding financial systems for a rapidly growing global platform. You will work with Finance, Operations, and technical leadership to ensure every payment, entitlement, refund, and financial record is accurate and traceable, and you will lead the migration from legacy systems to a reliable, auditable platform without disrupting live operations. This is an ideal opportunity for an experienced engineer who enjoys solving complex money-system problems where correctness, reliability, and data integrity are critical. Responsibilities include designing an append-only billing ledger in PostgreSQL; owning the complete subscription lifecycle; building robust payment gateway ingestion pipelines; handling refunds, chargebacks, disputes, and proration; creating data pipelines for close, revenue recognition, tax reporting, and analytics; maintaining customer-facing billing experiences; and guiding regional cutovers and data backfills. Requirements: 6–10 years of backend engineering experience with Go, strong relational database design and SQL; experience building or rebuilding payment, subscription, billing, and ledger systems end-to-end; understanding of financial systems around ledgers, reconciliation, and taxation; advanced SQL skills; working knowledge of TypeScript/React for frontend components; experience with multi-entity, multi-curr