I was the Senior Network Engineer, responsible for all networking systems, both in-game and back-end servers.

• My own low-level networking library, including UDP/TCP interfaces, and NAT workarounds.

• In-game networking; messaging, streaming, and compression.

• Player login and data management systems.

• Community systems, including real-time chat, buddy list and instant messaging.

• Firewall and NAT testing, including STUN to determine NAT type.

• Auto patching system and version control systems.

• Multi-threaded servers, running as Windows Services with exception handling and reliable thread recovery.

• MySQL database, including replication and automated backup.

• Administration scripts written in PHP, including detailed statistical graphs.