Mehmet Sani Yıldırım

• Developed responsive user interfaces using React, building reusable and efficient component structures.

• Created new web pages from design to deployment, optimizing visual consistency and performance.

• Improved existing pages in terms of usability, loading speed, and code maintainability.

• Collaborated with backend developers to deliver integrated user experiences.

Cross-platform mobile and desktop applications are developed and maintained using Flutter and Electron SEO-friendly, server-side rendered, and dynamic routing-enabled Next.js-based web applications are developed Secure and scalable backend APIs are created with FastAPI; high-performance data processing is performed with PostgreSQL CI/CD processes are automated and actively managed with Git and container-based infrastructures. Production databases and remote servers are managed; accessibility, security, and performance criteria are ensured Real-time features are integrated with the WebSocket infrastructure; API performance is optimized with caching, pagination, and query planning. Data obtained through web scraping methods is integrated into the CRM system CRUD (Create, Read, Update, Delete) operations are being developed for the CRM application Prototyping and deployment of new features are being carried out in agile sprints in collaboration with product and design teams Existing (legacy) code structures are being reorganized; code quality, linting, type safety, and modular architecture principles are being standardized