Chandan Kumar

Stuck with a coding problem, project issue, or technical decision?

Send me your problem and I’ll help you understand it and find a practical solution.

I can help with:

• React.js, Next.js & JavaScript

• Node.js, NestJS & Express.js

• TypeScript

• REST APIs & WebSockets

• MongoDB, PostgreSQL & SQL

• Authentication & RBAC

• Payment integration & Webhooks

• AI integration with Gemini, OpenAI & Claude

• LangChain & AI Agents

• Project architecture and debugging

• Performance optimization

• Interview-related technical questions

Share the problem with enough context so I can provide a clear and useful response.