• Enhanced Braintree’s merchant onboarding services using .NET 7 and Kafka, reducing account-verification delays and increasing successful onboarding completions by 14%.

• Reworked the checkout authorization pipeline with gRPC and Redis caching, improving peak-load response times by ~35 ms and increasing system stability under heavy traffic.

• Integrated AI-assisted features into the UI, including LLM-powered input validation hints, automatic field suggestions, and ML-driven risk context modules embedded directly within React components.

• Built Python/FastAPI fraud-scoring microservices leveraging embeddings to reduce false positives and accelerate analyst decision-making by 20–25%.

• Developed Next.js + GraphQL compliance dashboards that reduced KYC/AML investigation turnaround time from hours to minutes.

• Containerized and migrated legacy .NET Framework components to Kubernetes, reducing deployment failures by 40%+ and simplifying infrastructure operations.

• Led architecture reviews and mentored junior developers across React, .NET, and Angular projects, improving code quality and reducing PR cycle time by ~30%.

• Modernized clinician-facing web modules by migrating legacy UI to Angular, improving load times, navigation responsiveness, and maintainability.

• Built .NET Core clinical workflow services for Millennium that improved reliability and reduced clinician-reported issues by ~18%.

• Integrated Python-based risk scoring into care-management APIs, helping clinicians identify and prioritize higher-risk patients more effectively.

• Implemented FHIR R4/HL7 interoperability microservices that enabled secure patient-data exchange and reduced integration defects across large hospital networks.

• Optimized SQL Server queries and added Redis caching on patient-portal endpoints, reducing load times by 40%+ during peak usage.

• Created reusable Angular components for scheduling, forms, and patient summaries, improving UI consistency and reducing development duplication.

• Built dynamic React-based content blocks that improved template editor flexibility and drove increased user customization.

• Improved editor rendering performance with DOM batching and lazy-load techniques, reducing visual lag by ~30%.

• Developed React/Node.js internal analytics dashboards that accelerated A/B testing cycles and enabled rapid UX experimentation.

• Enhanced CSS modularity and cross-browser rendering consistency, reducing layout-related support tickets across major templates.

• Collaborated with QA to build automated regression test suites and reproducible bug reports, reducing editor-release defects by ~20%.