- I contributed to the microservice transformation of PepsiCo's award-winning KazandiRio application, a key engagement platform in the FMCG sector.- As part of the team, we developed a scalable microservice framework, supporting the app's impressive growth to over 10 million downloads and 3 million active monthly users.- Reviewed code written by other developers on the team.- Mentored over 8 junior developers in .NET and React.js

- Developed RESTful APIs that efficiently delivered data to the FlexoGift mobile app, which is widely used by Sodexo’s customers.- Collaborated with product managers to re-architect the product workflow, improving response times and scaling the app to handle thousands of daily users.- Leveraged .NET Core 3.1 and Azure services, ensuring high availability and performance for the mobile app's customer base across multiple regions.

- Developed an ASP.NET application integrated with Microsoft Dynamics CRM for RentGo, one of Turkey's leading car rental companies, which serves thousands of customers annually.- The system enhanced customer management processes and improved operational efficiency by streamlining over 10,000 rental transactions per month.- Additionally, I built a responsive front-end using React.js, delivering a seamless user experience that contributed to a 15% improvement in customer satisfaction.

- Simulated local network attack scenarios with virtual machines and routers.- Analyzed attacks against the DLP systems. - Succeeded a mini CTF contest.