• Building federated GraphQL platform

• Designing scalable distributed systems and service integrations

• Built a greenfield pharmacy-management platform powering 2,000 independent U.S. pharmacies

• Led end-to-end build of a high-throughput appointment-booking engine for myprescryptive.com, achieving

300ms P95 latency on appointment confirmation under peak load, enabling seamless real-time scheduling.

• Led identity migration from Azure AD to Auth0, partnering with UX to launch a unified one-click

login/signup flow and cut annual identity-infrastructure costs by ~40%.

Work on internal Microsoft tracking/reporting tool application for the Device organization

Work on “Ukrainian transit visa registration” government web app with 30k unique visitors per month