work.

Sparkling Gems Co., Ltd. · Bangkok, Thailand

• —Sole engineer for a custom ERP + CRM (Jewelry Management System) — reverse-engineered the legacy platform's business logic into formal specs, then built every module.
• —FastAPI + PostgreSQL with JWT auth, granular RBAC, and a financial-grade audit trail; Flutter multi-device frontend; Dockerized one-command deployment.
• —Added local AI voice-driven invoice/quotation creation and designed a salesman mobile app with QR scanning and image-recognition entries feeding the CRM.

Integra Global Solutions · Chennai, India

• —Worked on real-world software development tasks, following structured reporting and professional development workflows.
• —Collaborated with the team to maintain code quality, meet delivery timelines, and adapt to industry-standard engineering practices.

RingZero Networks Co., Ltd. · Bangkok, Thailand

• —Ran regression testing on Stitch (Apple GOTY 2023) and Puffies (Apple GOTY 2024) across iPhone, iPad, Mac, and Apple TV.
• —Built an AI-powered, RAG-based POS Assistant FastAPI service using vector similarity search and Star Schema modeling for natural-language querying of real-time sales data.

Google Developer Group (VIT Campus) · Chennai, India

• —Contributed to decentralized apps and smart-contract development with the GDG VIT team.
• —Organized workshops and hackathons to promote blockchain adoption among students.