Sergey Shcherbakov

AI Receipt Parser - Personal product prototype for OCR-based receipt parsing and invoice-processing workflows. Includes a FastAPI web UI, workbook upload, document upload, structured parse_summary.json / workbook_diff.json outputs and Excel workbook

Designed and implemented cross-platform filesystem utilities with platform-specific edge cases and portable APIs. Modernized legacy serialization infrastructure and improved maintainability of existing components. Refactored legacy modules

cpp-trading-core - Personal C++ trading infrastructure project implementing a price-time priority limit order book and a multithreaded event pipeline (~2.8M events/sec in local benchmarks). Includes benchmarking, latency statistics and CMake-based s

Developed and maintained components in a large-scale 5G Layer 2 system with complex inter-module dependencies. Investigated and resolved cross-component defects using logs, traces and debugging tools. Optimized performance-critical message process

Designed and implemented a multithreaded update downloader component for automotive Linux platforms. Led development of the software update subsystem across multiple modules. Stabilized legacy code paths and improved reliability through refactorin