Aleksandr Nepochatykh is a seasoned data engineering professional with extensive experience in developing analytical platforms and managing data architecture across multiple organizations. Currently serving as Lead Data Engineer at SberDevices, Aleksandr previously held roles as Senior Data Engineer at Excess and Data Engineer/Software Developer at Avito, with a strong focus on ETL development, SQL optimization, and technical debt management. Aleksandr has a proven track record of achieving significant performance improvements and product innovations, such as developing a domain-specific language for ETL and optimizing data processing times. In addition to technical skills in Python, SQL, and various data technologies, Aleksandr has experience in team leadership, hiring, and conducting training sessions in analytics and software development. An educational background in system analysis and control from Moscow Aviation Institute complements Aleksandr's professional accomplishments.