ONLYOFFICE

{"type":"doc","content":[{"type":"paragraph","content":[{"type":"text","text":"Worked on ONLYOFFICE Spreadsheet Editor (SaaS & Desktop - sdkjs part, millions of users) "}]},{"type":"paragraph","content":[{"type":"text","text":"- Designed and implemented complex spreadsheet features from scratch, including Goal Seek, Solver, and Series."}]},{"type":"paragraph","content":[{"type":"text","text":" - Developed a linear optimization engine based on the Simplex method, enabling advanced Solver functionality "}]},{"type":"paragraph","content":[{"type":"text","text":"- Architected and implemented iterative calculations in core spreadsheet logic "}]},{"type":"paragraph","content":[{"type":"text","text":"- Worked with improving performance for large datasets and optimized recursion handling in calculation engine "}]},{"type":"paragraph","content":[{"type":"text","text":"- Investigated and resolved complex, deep-rooted bugs requiring reverse engineering and system-level analysis "}]},{"type":"paragraph","content":[{"type":"text","text":"- Contributed to and extended existing features such as Autofill, improving usability and performance "}]},{"type":"paragraph","content":[{"type":"text","text":"- Worked with pure JavaScript (ES5) with IE11 support, maintaining compatibility in a legacy-heavy environment "}]},{"type":"paragraph","content":[{"type":"text","text":"- Worked with features through the full development cycle: from research and system design to implementation and optimization"}]}]}