Mustafa Şimşek

I am a Computer Engineering graduate from Sakarya University and a Full Stack Developer experienced in web, mobile, and e-commerce projects. I specialize in building scalable applications using Nest.js, React Native, React.js, and PostgreSQL. I actively integrate modern AI tools into my coding workflow; I thrive on providing practical solutions to technical challenges and enjoy taking a project from the ideation phase to full deployment.

Full Stack Software Developer at Pare Teknoloji (2025-12 – 2026-05)

• YAA Market (E-Commerce): Completed corporate ERP integration and developed end-to-end mobile and API services as a full-stack developer, utilizing Nest.js, React Native, and PostgreSQL infrastructure.
• 99club (Property Management): Developed new end-to-end modules on the existing product architecture using Nest.js, React Native, React.js, and PostgreSQL.
• RePie Websites: Managed the end-to-end Umbraco CMS technical migration processes for Holding, Portfolio, and GSYO websites; took charge of active development and maintenance operations.

Software Support Specialist at TIPPLUS (2025-06 – 2025-12)

• Provided technical support by troubleshooting software issues and reporting system bugs; managed SQL database operations, analyzed user feedback for system enhancements, and conducted training sessions for effective software utilization.

Software Engineering Intern at VENHANCER (2024-06 – 2025-01)

• Developed Human Resources (HR) web applications as a Full Stack Developer utilizing React.js, Node.js, and MongoDB.

Engineering Intern at Eker (2024-01 – 2024-02)

• Gained practical engineering and software development skills through hands-on industrial applications.

Bachelor of Science in Computer Engineering – SAKARYA UNIVERSITY (2020 – 2024)

English Preparatory Program – SAKARYA UNIVERSITY (2019 – 2020)