Experienced Backend Developer with 12+ years building scalable, secure APIs using Node.js, Java Spring Boot, and Python. Expert in designing cloud-native solutions with AWS (CDK, Lambda, Step Functions) and integrating AI using LangChain, Langraph and LLMs. Strong advocate for clean architecture, TDD, and Domain-Driven Design. Proven success working remotely with US-based teams.
Designed and maintained AWS serverless APIs using CDK and Lambda, ensuring low-latency and high availability for transaction-heavy workflows.
Integrated API Gateway, Step Functions, SQS, and EventBridge to orchestrate scalable, event-driven architectures handling real estate payment pipelines.
Developed RESTful APIs supporting thousands of daily operations, with monitoring and custom CloudWatch metrics for reliability and cost optimization.
Built microservices in Java (Spring Boot), Node.js, and Python, applying TDD/DDD to deliver maintainable, production-ready code for critical healthcare platforms.
Designed secure APIs and implemented role-based access with custom permission evaluators, improving compliance and reducing operational risk.
Led the full redesign and migration from OpenSpecimen to a custom Postgres database, eliminating data corruption, improving integrity by 100%, and enabling atomic transactions.
Led two major projects: one AWS serverless ecosystem and one containerized (Docker, Kubernetes), scaling platforms for global fitness clients with millions of users.
Designed and optimized Node.js APIs integrated with React/Redux frontends, enabling real-time synchronization for high-traffic consumer apps.
Maintained 90%+ automated test coverage (Mocha, Chai, Sinon), ensuring resilience during product launches with thousands of concurrent users.
