- I modernized a legacy internal test server by migrating its codebase to Spring Boot, which improved the system’s maintainability. - Integrated a YubiKey routine for two-factor authentication.

- Evaluated and benchmarked industry-leading IAM solutions, conducting a comparative analysis of their SSO (Single Sign-On), MFA (Multi-Factor Authentication), and centralized logging capabilities and then presented a comprehensive evaluation.

- Developed an automated employment reference generator using C# and the WPF framework. - Benchmarked leading e-commerce platforms to identify the optimal technical solutions for customer requirements.