Portfolio & Notes
W

WIDODO

Backend Engineer

​Backend Engineer with 2+ years of experience and a track record of delivering 5+ production applications using NestJS and TypeScript.

Docker
Docker
Prisma
Prisma
NestJS
NestJS
React
React
Supabase
Supabase
11PortfolioSelected work and case studies

Featured Project

Redobot - WA RAG Chatbot

WA RAG Chatbot is an AI-powered WhatsApp chatbot that uses Retrieval-Augmented Generation to answer customer messages based on a business knowledge base. It includes an admin dashboard for monitoring inboxes, viewing chat history, uploading documents, managing human takeover, sending manual replies, and tracking unanswered leads. Built with NestJS, Vue 3, Prisma, PostgreSQL, Qdrant, Evolution API, Apache Tika, and Docker Compose.

Latest Note

Understanding TypeScript Generics

A deep dive into TypeScript generics with practical examples and best practices for building type-safe applications.

Next.js
Next.js
Go
Go
n8n
n8n
PostgreSQL
PostgreSQL
Redis
Redis
Vue.js
Vue.js
Docker
Docker
Prisma
Prisma
NestJS
NestJS
React
React
Supabase
Supabase
Next.js
Next.js
Go
Go
n8n
n8n
PostgreSQL
PostgreSQL
Redis
Redis
Vue.js
Vue.js
2
BlogNotes and writing