Yarsa Labs
Full Stack Developer
- Developed an IRD-verified inventory system for pasal.com as a solo developer, featuring multi-tenancy and in-app bill printing.
- Integrated direct supplier payments via NCHL API and built low-stock notification systems using Telegram bots.
- Engineered user achievement tracking for Yarsaplay, managing daily to yearly task progression with comprehensive testing.
- Created a high-performance, on-the-fly image resizer service for YarsaBazar.
- Built a secure backend for PhotoMaker App to handle IAP validation (Apple/Google) and token quota management using HashiCorp Vault.