Berker Acir

Developed, optimized, and maintained high-performance, event-driven trading algorithms using asynchronous programming deployed on Binance, Kraken, and Bitvavo exchanges, supporting over $1 million in daily trading volume. Resolved critical production issues related to balance synchronization, enhancing system reliability and operational integrity. Worked with key trading protocols such as FIX and WebSocket and utilized internal message brokers to efficiently manage order flow and real-time market data.

Developed server-side REST and WebSocket APIs, asynchronous services, and cron workers to support the SuperLive mobile app with around 100,000 daily users, including internal moderation dashboards. Implemented key product features such as a leaderboard system for 15 million active users, processing over 100 million data records. Optimized low-performing statistics endpoints, reducing average latency by 50% and P99 latency by 75%, significantly improving system responsiveness. Ensured data integrity and improved system scalability and performance across backend services while balancing cost-efficiency with infrastructure improvements. Transformed a legacy dashboard into a fully responsive, mobile-friendly interface, enhancing accessibility and usability for operational teams. Acted as both Scrum Master and Developer in an Agile team, contributing to sprint planning, daily stand-ups, and iterative delivery.

Developed server-side REST APIs, services, cron workers, and schedulers to support the EdVisorly application. Designed and implemented backend infrastructure for integrating with various CRM tools, including Salesforce CRM, enabling partnerships with multiple U.S. universities. Authored detailed technical documentation and user guides to streamline development, deployment, and operational workflows.