Senior Backend Engineer- Python

Design, develop, and maintain scalable backend systems for a fintech POS financing platform. Build and optimize RESTful APIs and microservices, implement database schemas and efficient queries, and manage data migrations. Ensure performance, reliability, and security (authentication/authorization and data protection), while writing tests, debugging production issues, and collaborating with frontend developers and product stakeholders. Maintain documentation, version control, and contribute to continuous improvements across the development lifecycle.