Engineering reliable web experiences.
Hi! 👋 I’m Dewa Semadi, a software engineer helping companies and founders build scalable, high-performance web applications.
Selected Works
A selection of my recent projects, featuring detailed case studies and technical breakdowns.
Engineering Freshco’s Online Retail Platform for Web and In-Store Kiosks
How I built a single online platform that powers customer web ordering and tablet-based in-store kiosks, with real-time payments and automated receipt printing.
next.js
system-design
iot
SOM AI 2.0: Architecting a Research Hub for 350,000+ Students
How I transformed a viral TikTok chatbot into a production-grade academic platform using NestJS, Redis, and agentic AI workflows.
next.js
nest.js
redis
Latest Writings
Thoughts on software engineering, complexity, and design.
Ready to build something extraordinary?
I'm currently opening limited slots for freelance and consulting. Let's discuss how we can elevate your products.
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