Guan-Zhong Wang Email & Phone Number

New Taipei City, Taiwan

𝗪𝗼𝗿𝗸𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 𝗦𝘁𝗼𝗿𝗮𝗴𝗲 𝗚𝗮𝘁𝗲𝘄𝗮𝘆 𝗧𝗲𝗮𝗺 (𝗦𝗚𝗧)Our team develops and maintains cloud-related filesystems.𝟭. 𝗧𝗶𝗲𝗿𝗶𝗻𝗴 𝗙𝗶𝗹𝗲𝘀𝘆𝘀𝘁𝗲𝗺 𝗳𝗼𝗿 𝗦𝘆𝗻𝗼𝗹𝗼𝗴𝘆 𝗡𝗔𝗦 (𝗖/𝗖++𝟮𝟬)• Responsible for maintaining tierfs kernel module, a stackable filesystem built atop btrfs.• Involved in the development of the userspace daemons of tierfs.𝟮. 𝗧𝗶𝗲𝗿𝗶𝗻𝗴 𝗩𝗮𝘂𝗹𝘁 𝗳𝗼𝗿 𝗦𝘆𝗻𝗼𝗹𝗼𝗴𝘆 𝗡𝗔𝗦 (𝗖++𝟮𝟬)• Responsible for designing and implementing an async and testable HTTP web framework in C++20 over Boost.Beast which features http context, middleware framework (e.g. db transaction middleware, logging middleware, auth middleware), RFC3986-compliant URI parser, gc, etc.• Built an on-premise S3 object storage server using the aforementioned HTTP web framework. Our S3 object storage supports a subset of S3 APIs, enabling our tiering filesystem to transfer files between tier1 and tier2 over S3 protocol.• Implemented AWS4 header-based authentication.𝟯. 𝗛𝘆𝗯𝗿𝗶𝗱 𝗦𝗵𝗮𝗿𝗲 𝗖𝗹𝗶𝗲𝗻𝘁 𝗳𝗼𝗿 𝗦𝘆𝗻𝗼𝗹𝗼𝗴𝘆 𝗡𝗔𝗦 (𝗖/𝗖++𝟮𝟬) [1]• Involved in the design and implementation of global file lock, implementing instant file sync on top of the existing file syncing infrastructure for global file locking, delivering seamless and conflict-free file collaboration experience to the users.• Extended samba’s Hybrid Share VFS module to support global file locking on custom file extensions.• Extended global file lock support for Microsoft Office on macOS• Implemented the access log key generation and exchange process for client.• Fixed multiple aged stress bugs𝟰. 𝗛𝘆𝗯𝗿𝗶𝗱 𝗦𝗵𝗮𝗿𝗲 𝗦𝗲𝗿𝘃𝗲𝗿 (𝗚𝗼 𝟭.𝟭𝟳)• Boosted the algorithm of gRPC which is responsible for querying shared dir/file permissions by 10x.• Designed and implemented the file-sharing link generator.• Integrated hybrid share server with Synology Account using kafka.[1] https://www.synology.com/en-us/dsm/7.2/software_spec/hybrid_share

New Taipei City, Taiwan

𝗪𝗼𝗿𝗸𝗲𝗱 𝘄𝗶𝘁𝗵 𝗙𝗶𝗹𝗲 𝗣𝗿𝗼𝘁𝗼𝗰𝗼𝗹𝘀 𝗧𝗲𝗮𝗺 (𝗙𝗣𝗧)• Contributed to the directory service troubleshooting wizard for Synology DSM 7.0, enabling DSM to automatically detect, report, and fix environment-related problems with LDAP, Samba, DC sync, account object integrity, etc.• Received a return offer three years later.

Master'S Degree, Computer Science And Engineering

• 資訊科學與工程研究所（丙組） • Software Quality Laboratory 𝗔𝗰𝗮𝗱𝗲𝗺𝗶𝗰 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 • Coursework GPA: 4.11/4.3 • Thesis GPA: 4.3/4.3 𝗠𝗮𝘀𝘁𝗲𝗿 𝗧𝗵𝗲𝘀𝗶𝘀.

Bachelor Of Science - Bs, Computer Science

𝗔𝗰𝗮𝗱𝗲𝗺𝗶𝗰 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 • Rank: 1/41 • Grade (avg): 94.9/100