TanSen Khan

Led development of a business-critical booking and administration platform using TypeScript, Express.js, and Apollo GraphQL. Integrated agentic AI/LLM capabilities using OpenAI Agent SDK, LangGraph, RAG, and MCP to accelerate development cycles, including automated code generation and analysis. Enhanced system security by implementing AWS DevSecOps tooling and optimizing the codebase for scalability. Built robust API integrations to connect external CRM and marketing systems.

Developed scalable applications using React.js, TypeScript, and Tailwind CSS in an Agile environment. Built AI-powered apps integrating OpenAI/DeepL APIs and LLMs with RAG, OpenAI Agent SDK, LangGraph, and MCP for real-time translation and predictive insights. Developed modular APIs with Node.js, Next.js, and Astro.js; led deployments via Vercel and Azure DevOps. Designed and optimized relational (SQL) and NoSQL databases to ensure high-performance data integrity.

Built scalable web applications with React.js, TypeScript, and Node.js with PostgreSQL. Developed cross-platform desktop applications using Electron.js. Managed containerized deployments with Docker and automated testing using Cypress.js.