Ruslan Golovinskii

Optimized JSON to BSON conversion process for 'Ravenhill', reducing processing time from 5 minutes to 30 seconds, improving data handling efficiency by over 90%.

Identified and resolved critical performance bottlenecks in 'Ravenhill' by integrating the Tracy library, guiding QA and Development teams to solutions within 3 days.

Streamlined the 'Chief & Friends' project build process by enhancing CMake configurations, cutting total build time by 50% from 14 minutes to 7 minutes.

Developed a multithreaded Lua script-based dialog system module for a 'New Internal Project' within 2 weeks, empowering non-programmers to create complex dialog trees in minutes.

Optimized floating-point parsing with `fast_float` in the 'Cooking Diary' game engine, accelerating resource-intensive JSON loading by up to 8x across all internal projects.

Spearheaded the migration of the 'Cooking Diary' build system to CMake, reducing Windows build times from 45 to 2 minutes and Android builds from 80 to 4 minutes; tripled development throughput and cut Dev-QA-Dev cycles from 120 to 20 minutes.

Refactored and multithreaded over 20 internal development tools for 'Cooking Diary', decreasing execution times from minutes to seconds and significantly boosting team productivity.

Successfully integrated Google-SignIn functionality into the iOS platform for 'Cooking Diary', contributing to a 3% increase in Daily Active Users (DAU).

Designed and optimized low-level Linux-based Point-Of-Sell (Castles) terminal OS modules using C++98, ensuring robust and efficient operation.

Implemented the QR Code Fast Payment System method on terminals and enhanced transaction log management, expanding payment capabilities.

Authored shared libraries and secure communication protocols for seamless 1C integration, adopted by numerous clients for critical business operations.