c
chamathk2

Chamath K.

@chamathk2

Full Stack Developer for NextJS, Supabase and AI Apps

Sri Lanka
English
About me
Hi, I'm Chamath, a full-stack software engineer from Sri Lanka. I build production web apps with Next.js, TypeScript, Node.js and Supabase, and I work daily on a live SaaS platform handling 30,000+ messages a day. I can help you with SaaS MVPs, client portals and dashboards, WhatsApp Business API integrations, AI chatbots trained on your own documents, and fixing apps built with Lovable, Bolt or Cursor. You get clean code you own, clear daily updates and support after delivery. Message me with your idea and I'll reply with a plan.... Read more

Skills

c
chamathk2
Chamath K.
Offline • 
Average response time: 1 hour

See my services

AI Implementation & Deployment
I will build a whatsapp ai chatbot for your business using whatsapp cloud api
From$50 / projectMore details

Portfolio

Work experience

Olee_AI LLC

Software Engineer

Olee AI LLC • Full-time

May 2025 - Oct 2026 • 1 yr 5 mos

Build backend and full-stack features for a multi-tenant messaging and CRM SaaS platform handling 30,000+ customer messages a day. Work on the WhatsApp Business API integration (templates, webhooks, message status), an AI knowledge base with hybrid search on OpenAI and Gemini, Redis caching, scheduled jobs, and subscription billing. Stack: Node.js, Express, Next.js, TypeScript, PostgreSQL, Redis.