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I am a Full Stack Developer with nearly a decade of hands-on experience building enterprise-grade systems. I specialize in SAP-integrated applications, scalable backend architectures, and modern frontend technologies. I have a strong track record in designing and delivering mission-critical systems for large-scale factory and dealer networks. Throughout my career, I've worked on diverse projects from casino game BI systems to factory network automation, always focusing on secure, scalable, and user-friendly solutions. I thrive in Agile environments and enjoy using cutting-edge tools and frameworks to deliver reliable software products that meet complex business needs.…I am a Full Stack Developer with nearly a decade of hands-on experience building enterprise-grade systems. I specialize in SAP-integrated applications, scalable backend architectures, and modern frontend technologies. I have a strong track record in designing and delivering mission-critical systems for large-scale factory and dealer networks. Throughout my career, I've worked on diverse projects from casino game BI systems to factory network automation, always focusing on secure, scalable, and user-friendly solutions. I thrive in Agile environments and enjoy using cutting-edge tools and frameworks to deliver reliable software products that meet complex business needs.

Erhan Sahin

Full Stack Developer, Web Developer, Programmer, +1

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I am a Full Stack Developer with nearly a decade of hands-on experience building enterprise-grade systems. I specialize in SAP-integrated applications, scalable backend architectures, and modern frontend technologies. I have a strong track record in designing and delivering mission-critical systems for large-scale factory and dealer networks. Throughout my career, I've worked on diverse projects from casino game BI systems to factory network automation, always focusing on secure, scalable, and user-friendly solutions. I thrive in Agile environments and enjoy using cutting-edge tools and frameworks to deliver reliable software products that meet complex business needs.…I am a Full Stack Developer with nearly a decade of hands-on experience building enterprise-grade systems. I specialize in SAP-integrated applications, scalable backend architectures, and modern frontend technologies. I have a strong track record in designing and delivering mission-critical systems for large-scale factory and dealer networks. Throughout my career, I've worked on diverse projects from casino game BI systems to factory network automation, always focusing on secure, scalable, and user-friendly solutions. I thrive in Agile environments and enjoy using cutting-edge tools and frameworks to deliver reliable software products that meet complex business needs.

Available to hire

I am a Full Stack Developer with nearly a decade of hands-on experience building enterprise-grade systems. I specialize in SAP-integrated applications, scalable backend architectures, and modern frontend technologies. I have a strong track record in designing and delivering mission-critical systems for large-scale factory and dealer networks.

Throughout my career, I’ve worked on diverse projects from casino game BI systems to factory network automation, always focusing on secure, scalable, and user-friendly solutions. I thrive in Agile environments and enjoy using cutting-edge tools and frameworks to deliver reliable software products that meet complex business needs.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Full Stack Developer at Betix

January 1, 2025 - August 27, 2025

Designed and implemented a unified administration and business intelligence system for multiple casino games including slots, roulette, and poker. Integrated legacy PHP/MySQL and modern FastAPI/Python microservices into a standardized PostgreSQL backend and Next.js/React frontend. Built and documented secure REST APIs with JWT authentication and role-based access control. Developed responsive and accessible admin panels for non-technical users. Implemented ETL pipelines for gameplay logs enabling real-time analytics, A/B testing, and dashboards. Deployed services using Docker containers with Kubernetes orchestration on AWS EKS, integrating CI/CD pipelines via GitHub Actions and monitoring with Prometheus and Grafana.

Full Stack Developer at Vestel

January 1, 2024 - August 27, 2025

Developed and maintained full-stack enterprise applications for factory and dealer networks, integrating SAP for thousands of end users. Built REST APIs and backend services using Node.js and Java, managing PostgreSQL and MySQL databases for sales, inventory, and production workflows. Created frontend systems using React and Angular with emphasis on responsive UI and accessibility standards. Designed and optimized data pipelines to synchronize SAP data with web platforms in real time, ensuring consistency and availability. Supported deployments in Dockerized environments with monitoring via CloudWatch and production logging pipelines to ensure reliability.

Full Stack Developer at Yaşar Holding

January 1, 2020 - August 27, 2025

Led development of SAP-integrated enterprise systems across 21 factories and over 1,500 sales points, delivering scalable web-based solutions for dealers and management. Built Node.js middleware for ETL processes from multiple databases into a centralized PostgreSQL warehouse. Developed React dashboards for real-time reporting, including charts and KPI tracking to support executives. Implemented nightly batch jobs to synchronize data back into SAP ensuring data integrity, transactional consistency, and audit compliance. Advanced system modernization efforts adopting Docker containerization and CI/CD workflows for improved deployment speed.