
Timofey
Building high performance APIs and stable automated bots that power business
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Backend Software Developer
Fiverr • Freelance
Oct 2023 - Present • 2 yrs 10 mos
Engineered high performance backend systems and scalable architecture using Python, Django, and FastAPI frameworks. Designed and optimized relational databases using PostgreSQL and SQLite, establishing indexed structures and atomic validation rules to process high concurrency data without bottlenecks. Developed secure, asynchronous REST API endpoints with comprehensive input validation and custom serialization mechanisms to guarantee 100% data privacy and security. Built comprehensive automated booking assistants and interactive tools leveraging state management frameworks and Finite State Machines. Collaborated on end to يوم end testing pipelines using Postman to ensure maximum endpoint stability, zero downtime, and seamless frontend integration.