Oil Bounyavong
Backend & Database Developer
I built and supported the ERP platform a whole company runs on.
oilthana.byvtech.comRelational database designBusiness logic & reportingProduction support
Profile
I build ERP systems in production: the relational schema, the business logic behind finance and procurement workflows, and the screens on top. That work was in VB.NET and SQL Server; outside it, Go and Node.js for services and APIs.
Experience
Programmer, IT Department · Kolao Group
Jan 2023 — Sep 2026- Built and maintained the in-house ERP platform the company runs on — database, business logic, and the screens on top
- Owned the SmartVAT, Service, Purchasing, Loan, and Car Rental modules end to end
- Deployed, monitored, and fixed production issues for systems staff used every day
Intern · BCEL Bank — Dongdok Branch
May 2019 — Jun 2019- Worked alongside the IT team and observed core banking operations
Selected Projects
LaophotoLink — Web Application
Go · Next.js · Render · Cloudflare
- Go backend for a live sports-photo platform — uploads reach the public gallery seconds after the shutter
- Designed the data model behind jersey-number search and QR album links; deployed on Render behind Cloudflare
ERP System — Kolao Group
VB.NET · SQL Server
- ERP platform covering VAT, service, purchasing, loans, and car rental
- Role-based access per department, plus reporting and audit trails
SmartVAT Module
VB.NET · SQL Server · REST API
- Automated VAT calculation aligned with regulatory rules, replacing manual finance work
- VAT reports plus a validation layer that cut data-entry errors
Certificates
- Certificate · Ministry of Post and Telecommunications17-18 Sep 2020
- Internship Certificate · BCEL Bank, Dongdok Branch28-29 Jun 2019