Build scalable backend systems in Node.js (Express) and TypeScript. Develop serverless workflows with AWS Lambda/SST, PostgreSQL, and Prisma. Implement event-driven integrations and async processing pipelines. Build AI backend capabilities in Python with LangChain/LangGraph and AWS AgentCore. Develop multi-agent workflows and RAG pipelines using AWS Bedrock Knowledge Bases and OpenSearch.

Owned backend development for financial and operational features. Integrated Stripe for payments, subscriptions, and billing automation. Designed serverless workflows with Lambda and Step Functions. Improved maintainability and scalability with NestJS and MongoDB.

Refactored backend systems into resilient microservices. Built event-driven AI content-generation services. Collaborated across distributed teams and mentored junior engineers.

Supported startups (Tier Mobility, PayFit, GoStudent, Hurdle) modernizing backend/cloud systems. Designed and refactored microservices in Node.js/TypeScript (NestJS, Fastify, Express). Worked on AWS-based delivery pipelines with strong DevOps/quality tooling.

Designed microservices architecture and led legacy migration using DDD principles. Built high-throughput services and messaging infrastructure.

Built TypeScript microservices supporting GraphQL and REST APIs. Contributed to React frontend and deployed services on AWS. Implemented centralized logging and monitoring with ELK.

Built internal tools and REST APIs with Node.js/Express. Managed SQL databases and supported deployment/operations reliability.

Built and maintained business software and databases and operated a retail business end-to-end, including process automation and e-commerce implementation. Worked with clients such as Stryker, CEMEX, and Drago Solutions using RPG III/IV, ILE, CL, Java, C++, and SQL.