Back End Developer at Onikron LLC (Startup)

Led architecture and development of Onikron's next-generation self-scheduling platform for health care clinics, built on Django, Vue/TypeScript with Vue.js and SQL, enabling real-time patient appointment booking, confirmations (SMS/email), and scalable operation across a multi-clinic network.

Back End Developer at Google

Directed architecture, design, and full-stack development of a cloud-native Member & Claims platform for Medicare/Medicaid and ACA members across multiple markets. Built an API gateway using JavaScript and GraphQL with gRPC to streamline cross-service communications and reduce latency between scheduling microservices. Implemented Kubernetes-based containerization, applied DDD, CQRS, and SOLID to improve domain clarity and maintainability. Implemented HIPAA-compliant security (OAuth 2.0, OpenID Connect) and integrated with multiple EHR systems via REST/HL7 v2 for real-time data synchronization. Built asynchronous notifications with RabbitMQ and Kafka; established CI/CD pipelines with Jenkins and GitHub Actions.

Full Stack Developer at All Inclusive

Developed and maintained enterprise health care web applications for lab workflow automation, digital client portals, and online reporting using Python and SQL Server. Designed and optimized SQL Server stored procedures, indexing strategies, and data models to support high-volume lab orders and results pipelines. Delivered SPAs with Vue, Angular, and jQuery to improve lab staff productivity and shorten test-result turnaround times. Maintained and extended legacy WCF services and SOA APIs for EHR integrations with HIPAA-compliant encryption. Integrated RabbitMQ for real-time lab-order processing and notifications. Built Salesforce Classic/Lightning components to optimize CRM workflows. Implemented automated unit and integration tests using NUnit and Moq.

Senior Software Engineer at Onikron LLC (Startup)

Led the architecture and development of Onikron’s next-generation self-scheduling platform for health care clinics, built on Node.js, React/TypeScript, and MySQL, enabling real-time patient appointment booking, confirmations (SMS/email), and scalable cross-network deployment.

Back-End Developer at Google

Designed and implemented scalable, secure health-focused microservices and RESTful APIs; improved data consistency with CQRS and event-driven architecture; integrated with HL7 v2 messaging across EHR systems and migrated to asynchronous patterns to handle peak loads.

Full Stack Developer at All Inclusive

Developed enterprise health-care web applications, modernized legacy SOAP integrations, built SPAs with Vue/TypeScript, and implemented robust DB designs (MongoDB, Redis, MySQL/PostgreSQL); delivered CRM and clinician-facing portals with secure authentication.

Back End Developer at Onikron LLC

Led architecture and development of Onikron's next-generation self-scheduling platform for health care clinics, built on Django and Vue/TypeScript. Implemented real-time patient appointment booking, confirmations via SMS/email, and scalable multi-clinic support. Designed modular microservices (appointment management, notification service, scheduling core) using Node.js and WCF for legacy SOAP integrations, following SOLID and TD D practices to keep services maintainable and extensible. Implemented encryption technologies (DRM, PKI) and secured OAuth 2.0/OpenID Connect to ensure HIPAA-compliant data handling. Integrated scheduling with multiple EHR systems via FHIR REST APIs and HL7 v2 messaging for real-time data synchronization. Refactored core services to async/await and implemented RabbitMQ-based async notifications, achieving faster responses and better throughput. Enhanced the UI with Vue.js/Vuex, delivered hybrid mobile experiences with Ionic, and leveraged Redis clustering for l

Lead Architect / Full-Stack Developer at Google, Remote / Bucharest, Romania

Directed architecture and full-stack development of a cloud-native Member & Claims platform for Medicare/ACA across 10+ states. Built a highly efficient API gateway in JavaScript/GraphQL using gRPC to streamline cross-service communications. Implemented containerization with Google Kubernetes Engine, created a Kafka-based microservice ecosystem handling millions of daily messages. Architected data model across PostgreSQL, MongoDB Atlas, Redis caching, and HL7/FHIR integration for HIPAA-compliant care coordination. Implemented asynchronous processing via CQRS, Event Sourcing patterns, and robust security using OAuth2/OpenID Connect and JWT. Set up monitoring with Prometheus and Grafana; automated CI/CD pipelines using Cloud Build and other tools; integrated REST, GraphQL, and gRPC endpoints for flexible client apps; collaborated with product teams across states; led performance optimization and test coverage; rolled out disaster recovery and data governance; achieved scalable, low-laten