Job Objective: C++ Software Developer
(+86) 180-1627-9863 | hehehunanchina@live.com | www.github.com/hanjingo
Experienced C++ Software Developer with 8+ years of professional experience in backend architecture, network frameworks, and distributed systems. Skilled in optimizing performance, reducing operational costs, and mentoring junior engineers. Currently based in Germany with a valid Chancenkarte residence permit, seeking opportunities in innovative software and system engineering teams.
Hunan University of Science and Engineering (2012.09-2016.06)
Bachelor Of Information and Computing Science
- Majors: Programming Language, Software Engineering, Math, and English.
Guang Zhou DaAnGene(Stock Code: SZ002030) (2022.02 – Present)
Senior C++ Software Developer
- Managed project schedules to ensure on-time delivery of 100% milestones and mentored 5+ junior engineers, improving team productivity by 20%.
- Developed cross-platform desktop applications and high-performance network frameworks using C++, Qt, SQLite, OpenSSL, and ZeroMQ, increasing data processing throughput by 30%.
Guang Zhou YouAi Network Technology (2021.08 – 2022.01)
C++ Software Developer
- Built a scalable backend for a virtual character data-storing system with Redis caching and Protobuf serialization, reducing average loading time by 25%.
- Contributed critical bug fixes to the open-source Protobuf C library (pbc), improving cross-platform stability for 500+ developers worldwide. (website: cloudwu/pbc#153).
Guang Zhou PaoZi Network Technology (2020.04 – 2021.07)
C++ Software Developer
- Created a distributed storage system using IPFS and C++, cutting storage costs by 30%.
- Improved data consistency through consensus algorithm optimization and reduced system downtime from 5% to less than 0.5% annually.
Guang Zhou JiaYi Network Technology (2019.02 – 2019.10)
C++ Software Developer
- Developed high-performance backend servers with C++ and WebSocket, supporting 5,000 concurrent users with sub-100ms response time.
- Collaborated with cross-functional teams to design and implement real-time interaction features, boosting active user engagement by 18%.
An Hui Yingnuowei Aluminum Co. Ltd (2016.06 – 2018.04)
C++ Software Developer
- Designed CAD plug-ins in C++, storing CAD data in a database, reducing design time by 10%.
- Ensured system compatibility through rigorous testing.
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Programming: C++ (STL, Boost, Qt, ZeroMQ, OpenSSL), Lua, Golang, SQL, Shell.
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Systems: Linux, Windows, CMake, CI/CD, Docker, Networking, Distributed Systems.
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Databases: Redis, SQLite, MySQL.
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Tools: Git, SVN, Vcpkg, VSCode, VisualStudio, Jenkins, Markdown, MS Office, ChatGPT Prompt.
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Languages: English (Fluent, IELTS B2), Mandarin (Native).
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Soft Skills: Agile collaboration, mentoring, cross-cultural teamwork, and technical documentation.
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Selected Open-Source Contributions:



