Sipamungkas.
Available for new projects

Full Stack Web & Mobile Developer

Full-stack engineer building web & mobile that ships.

View selected work
  • Web
  • Mobile
  • Backend
  • Realtime
Based inIndonesia · Worldwide
FocusWeb · Mobile · Backend
Experience3+ years shipping

What I build with

TypeScript
TypeScript
JavaScript
JavaScript
CSS
CSS
React & React Native
React & React Native
Next.js
Next.js
Astro
Astro
TailwindCSS
TailwindCSS
Express.js
Express.js
Laravel
Laravel
MySQL
MySQL
PostgreSQL
PostgreSQL
Agile
Agile
Redux
Redux
Firebase
Firebase
Supabase
Supabase
WebSocket
WebSocket
Git
Git
GitLab
GitLab
GitHub Actions
GitHub Actions
Figma
Figma
TypeScript
TypeScript
JavaScript
JavaScript
CSS
CSS
React & React Native
React & React Native
Next.js
Next.js
Astro
Astro
TailwindCSS
TailwindCSS
Express.js
Express.js
Laravel
Laravel
MySQL
MySQL
PostgreSQL
PostgreSQL
Agile
Agile
Redux
Redux
Firebase
Firebase
Supabase
Supabase
WebSocket
WebSocket
Git
Git
GitLab
GitLab
GitHub Actions
GitHub Actions
Figma
Figma

Selected work

A few things I’ve built.

View all projects
Chentil - Your Travel Companion App project preview Chentil - Your Travel Companion App

React Native Expo, ReactJS, Laravel, MySQL, Typescript, PHP

Chentil - Your Travel Companion App
SRI: AI-Powered School Registration Information Assistant project preview SRI: AI-Powered School Registration Information Assistant

OpenAI, ExpressJs, Typescript, WhatsApp API

SRI: AI-Powered School Registration Information Assistant
Tomps Project Management project preview Tomps Project Management

React Native, Firebase, JavaScript, TypeScript

Tomps Project Management
Tomps Building - Building Management Technician App project preview Tomps Building - Building Management Technician App

React Native, Firebase, JavaScript

Tomps Building - Building Management Technician App

Testimonials

People I’ve worked with.

Ragil is an exceptional developer who consistently impresses with his eagerness to learn and stay up to date. What stands out most is his willingness to share knowledge with the team — I highly recommend him.
Aldo Ignata Chandra
Backend Engineer · JS / TS Specialist
Ragil's expertise spans front-end, back-end, and DevOps. He's a critical thinker who breaks down complex problems, and an invaluable, collaborative team player.
Hanif Maghfur
Backend Developer · Go / TypeScript / Node
I enjoyed working with Ragil on a side project. He has strong programming skills, especially in web development and JavaScript.
Yerikho Ristian
UI/UX Designer
Very responsive, fast, and the results were satisfying.
Fransiskus Cleo
Client · Fastwork
Ragil did a great job on this project! He was communicative, professional, and delivered as expected. Would recommend working with him.
Arshad Azaad
Client · Upwork
Ragil is an exceptional developer who consistently impresses with his eagerness to learn and stay up to date. What stands out most is his willingness to share knowledge with the team — I highly recommend him.
Aldo Ignata Chandra
Backend Engineer · JS / TS Specialist
Ragil's expertise spans front-end, back-end, and DevOps. He's a critical thinker who breaks down complex problems, and an invaluable, collaborative team player.
Hanif Maghfur
Backend Developer · Go / TypeScript / Node
I enjoyed working with Ragil on a side project. He has strong programming skills, especially in web development and JavaScript.
Yerikho Ristian
UI/UX Designer
Very responsive, fast, and the results were satisfying.
Fransiskus Cleo
Client · Fastwork
Ragil did a great job on this project! He was communicative, professional, and delivered as expected. Would recommend working with him.
Arshad Azaad
Client · Upwork
Available for new projects

Let’s build something together.