Design, implement, and maintain scalable backend payment systems, including multi-merchant marketplace support and invoice rendering., Build and manage integrations with external payment providers, as well as data interfaces for reporting and BI tools., Ensure reliability and performance of payment services through active monitoring, incident handling, and operational support., Collaborate closely with frontend developers, DevOps, and product owners to deliver cohesive and robust features., Contribute to architecture decisions, code reviews, and continuous improvement of the codebase and engineering practices., Write unit and integration tests, and work across different technologies and platforms to ensure maintainability and scalability.
