I’ve finished building a web-based data management system and now I’m ready to push it live. Before the launch I’d like a fresh set of eyes on the code to knock out a few lingering bugs and squeeze out some extra performance, then handle the full deployment. An experienced Python Backend Developer to work on an existing web-based management system. The frontend is already developed, and the role is focused entirely on backend development, database integration, and system maintenance. Scope of Work Develop, maintain, and enhance backend services in Python Connect and manage databases for an existing frontend Implement APIs to support frontend functionality Maintain existing backend logic and improve system performance Handle user authentication, roles, permissions, and activity tracking Manage data storage, validation, and business logic Debug, optimize, and scale the backend system Technical Requirements Strong expertise in Python Experience with Django / Flask / FastAPI Strong database experience (PostgreSQL / MySQL) API development (REST APIs) Database design, queries, indexing, and optimization Experience working with existing systems (maintenance + upgrades) Understanding of security best practices Preferred / Nice to Have Experience with large-scale or data-heavy systems Knowledge of background jobs / task queues (Celery, RQ) Experience with Docker, Linux servers, or cloud deployment Experience in logistics, shipping, or management systems