
Buildingdigital experiencesthat matter.
Web & mobile developer
I'm Joshua Palti Sinaga, a full-stack developer crafting modern web and mobile apps, with a focus on real impact.


A curious mind.
A love for
building things.
I'm Joshua, an Informatics Engineering student at Institut Teknologi Sumatera and a full-stack developer based in Indonesia.
I build web and mobile applications with a focus on the people using them. I enjoy working through a difficult problem and turning it into something simple and useful.
I started programming at sixteen and won first place at LKS North Sumatera, a provincial vocational skills competition. These days, that same curiosity takes me from web and mobile development into AI and IoT.
More about me- Years of experience
- 2+
- Projects completed
- 10+
- Competition won
- 1
Tools I work with
- TypeScript
- Go
- Python
- Nuxt
- Next.js
- Astro
- MongoDB
- PostgreSQL
- Flutter
- Capacitor
- Firebase
- Docker
- PocketBase
- Supabase
Ideas made real.
A collection of things I've built, from web apps to mobile apps and random experiments.
View all 28 projectsRelearning How to Prompt, Part 1
I revisit how I prompt AI after recent coding results missed the mark, then share what I learned and the habits I want to try next.
Make Your Windows 10 Feel Fresh Again
My practical Windows 10 cleanup routine after lag, crashes, and a surprisingly busy system process started getting in the way.

Setting Up Claude Code with a Custom Provider
A friendly walkthrough for connecting Claude Code to a custom provider like 9router with a few settings in one file.
Have something
in mind?
A project, an interesting idea, or just a hello.
I'd love to hear from you.




