- Collaborate with international teams to design APIs, workflows, and implement synchronization and automated recovery mechanisms for critical data. - System design for the new product, helps the team create scalable and reliable services. - Maintain and expand the capabilities of existing projects to meet the requirements of new business needs.

- Design and implement multiple core features for the server side of MMO real-time strategy games. - Encode and hash large data sets to improve database retrieval speed and reduce storage space usage by up to 60%. - Refactor several parts to optimize CPU/memory utilization and reduce external storage access frequency. - Collaborate with teams on scalability issues, bottleneck discovery, problem analysis, and troubleshooting.

- Design and implement game logic, protocols, and game flows for several poker and slot games. - Create pressure-testing tools tailored for each specific game, capable of generating reports customized for verification by the QA team. - Implement wrappers for third-party libraries, providing handed interfaces for the team to utilize.

- Maintain and refactor internal tools for the production line, offering customized testing scripts and enabling simultaneous updates across multiple devices, significantly expediting the process. - Customize offline authentication tools tailored for high-security environments. - Collaborate with the team to develop an interactive standalone player driven by FFmpeg.