WebClient work turned product
Payroll + LINE Bots
Payroll and attendance a factory uses every day, with LINE bots for advances and leave. Then we turned it into SaaS.
- Year
- 2025
- Role
- Backend, frontend, bots and servers
- Status
- In daily use

The problem
HR was pulling scans from the face terminal, calculating Thai OT rules and social security, and making slips by hand every cycle.
What we built
- 01
Auto import from the Hikvision face terminal, with second-shift support
- 02
Calculates pay, OT and social security, then issues e-slips
- 03
LINE bot for advances and leave, managers approve right in chat
- 04
SaaS version with PromptPay or card, auto-provisioning a container per customer
Numbers
3LINE bots around the system
Screenshots




Stack
FastAPIReactPostgreSQLDockerLINE APIStripe
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