Engineered integrations with diverse Electronic Health Record (EHR) systems using APIs, direct database connections and Puppeteer. Ensured 24/7 system reliability for high-stakes healthcare platforms by managing deployments and monitoring performance via DataDog. Maintained internal libraries and resolved critical bugs to optimize scheduling and payment processing workflows.

Developed an optimized user flow that boosted performance by 1.6x over company targets during peak competitive cycles. Architected secure, high-volume APIs to handle complex financial business rules and interest rate calculators for loan processing. Automated loan approvals and documentation by integrating with government APIs, streamlining the end-to-end customer experience.

Built secure APIs for a language learning platform, implementing anti-cheating measures to maintain the integrity of user assessments. Integrated third-party AI APIs to enable automated evaluation and personalized learning progress tracking. Developed reporting modules and performance metrics to provide stakeholders with actionable insights into user evolution.

Built high-traffic e-commerce APIs supporting over $1M USD in annual revenue while maintaining mission-critical system uptime.

Developed C# APIs and SQL Server databases for industrial logistics modules, including a React Native mobile application for driver tracking.

Delivered end-to-end web solutions and custom PHP frameworks, including a full e-commerce platform with integrated payment processing.