Nevzat (Mori) Calisir

04/2023 - Present

Driving data integration and automation projects, improving operational efficiency and financial performance in the healthcare sector.

• Developed and maintained 15+ hospital interfaces using JavaScript in Mirth Connect.
• Recovered $800,000 in annual lost revenue by resolving technical errors and ensuring future revenue retention.
• Built scalable backend systems with SQL and JavaScript, managing datasets of 10M+ records.
• Automated workflows, improving departmental efficiency by 40%.
• Delivered real-time dashboards for executives, reducing financial reporting time by 25%.

12/2022 - 12/2023

Designed, developed, and maintained scalable web applications for a gaming platform supporting 10,000+ daily active users.

• Developed and maintained applications using React, JavaScript, and PostgreSQL with 99.9% uptime.
• Collaborated with a team of 5 developers to deliver 20+ responsive solutions, increasing user satisfaction by 25%.
• Optimized application performance, reducing page load times by 40% and boosting user retention by 15%.
• Conducted 200+ unit and integration tests, achieving 95% code coverage and reducing post-deployment bugs by 30%.
• Resolved 50+ critical technical issues, cutting downtime by 20% and improving performance by 35%.

Visit more.tf

May 2022 - December 2023

Built and maintained a high-traffic analytics platform for Team Fortress 2, achieving over 8-10 million yearly clicks. The platform enables data visualization and performance analytics for competitive players.

• Developed scalable backend APIs, improving response times by 30%.
• Designed and optimized PostgreSQL databases to handle millions of records efficiently.
• Integrated AWS services for hosting and storage, ensuring 99.9% uptime.
• Enhanced user experience through front-end and back-end integration, increasing user retention by 15% year-over-year.

Developed a real-time voting platform for Team Fortress 2 matches, enabling live audience engagement through MVP voting and prediction polls.

• Implemented live voting and prediction features, driving engagement during competitive matches.
• Designed a user-friendly interface and backend for seamless voting experiences using React and Express.
• Managed real-time data flow to ensure smooth interactions and updates for thousands of active users.
• Gathered valuable insights through audience participation, increasing community involvement in TF2 matches.

Open-Source Parsing and Analytics Platform for Deadlock

Contributed to an open-source project designed to parse game and demo data from the game Deadlock. Devlock creates a public API and user interface for accessing and visualizing game statistics, similar to more.tf.

• Assisted in system design, focusing on scalability and efficient data parsing systems.
• Developed solutions for handling large-scale demo and match data efficiently.
• Collaborated on API development to ensure seamless integration with public-facing systems.
• Helped design and implement scaling mechanisms to accommodate growing data and user traffic.