Osman YILMAZ

• Designing & Implementing VPN application for Android with 1M daily active users and more than 5M installs

• Empowering the application in terms of security and preventing vulnerabilities

• Designing and implementing a high available api gateway with more than 20 million request per day

• Handling 500+ private servers for VPN application backend

• Deployed automated jobs for server installations with VPN integration

• Designed distribution systems for connection load balancing

• Created a system that could handle 100Gbit+ VPN traffic on this distributed system

• Designed and implement a new VPN connection protocol

• Designed smart server switching system for optimized user connectivity

• Maintenance of linux servers and implementing web interface for control panel and statistics

• Troubleshooting problems pertaining to performance-tuning, network administration & application conflicts.