- Created and integrated business solutions, improving operational efficiency for a major auto parts - Implemented large-scale data exchanges using JSON and XML, enhancing data transfer efficiency with client systems. - Implemented scalable web services using both REST API and SOAP, ensuring seamless communication between client and server systems. - Optimized system performance by analyzing and refining queries, improving code efficiency, and enhancing overall application responsiveness. - Optimized data retrieval by implementing direct requests to SQL. - Implemented integration with Diadok, streamlining document exchange and improving workflow efficiency between systems. - Created and maintained comprehensive code documentation, ensuring clarity, maintainability, and efficient knowledge transfer.

- Migration from 8.1 to 8.2, and subsequently to 8.3, ensuring system stability and compatibility. - Designed solutions to automate pricing, logistics, warehouse management, and trade processes, optimizing workflow efficiency. - Developed a mobile client with a JavaScript, HTML, and CSS frontend, ensuring a responsive and user-friendly interface. - Contributed to the automation of retail trade for a network of 20+ shops, streamlining operations and improving efficiency across multiple locations. - Developed an application for transport logistics using 1C, Yandex Maps API, and JavaScript, integrating GPS tracking for monitoring of delivery routes, enhancing route planning, and optimizing logistics efficiency. - Developed an app for sales representatives using the 1C Mobile Platform, streamlining sales processes and enhancing field operations with real-time data access.