● Implemented robust data validation pipelines using Pandas and Pandera in Django applications, ensuring data quality and reducing errors across critical workflows. ● Designed and maintained cross-service validation mechanisms utilizing Kafka, enabling seamless and scalable data validation in a microservices architecture. ● Leveraged Django's ORM for efficient database interactions, ensuring the optimal performance of data storage and retrieval processes. ● Refactored and optimized an existing service desk Telegram bot, significantly improving its speed and customizability by integrating Django Constance for dynamic configurations. ● Developed and executed unit, integration, and load tests to ensure the reliability, performance, and scalability of systems under various conditions. ● Contributed to the design and troubleshooting of a document management system (DMS) built with FastAPI, enhancing its stability and usability.