Senior SafePay Backend Developer (NodeJS/ NestJS)

Job description

Về vị trí này
ONSQUARE INC is a Korea-based Fintech and AI-based SaaS startup. It develops payment infrastructure and AI Agent-based user tools for the global market, operating with a distributed team structure across Korea, Canada, and Vietnam.

Trách nhiệm
Hiring Information

- Onsite: ONSQUARE INC
- Position: Senior SafePay Backend Developer
- Headcount: 1 position
- Salary: 30 - 35tr
- Experience: 5 years

Key Responsibilities

- Design and develop international payment and remittance infrastructure
- Implement escrow payment systems with milestone-based settlements
- Build KYC/AML systems
- Integrate payment gateways (Stripe, Toss Payments, Airwallex, etc.)
- Handle compliance requirements for international remittance services
- Manage payment security and fraud/anomaly detection systems

Your skills and experience

Yêu cầu
Requirements

- Minimum 5 years of senior backend development experience
- Hands-on experience with Node.js / NestJS or equivalent backend frameworks
- Experience in PostgreSQL-based data modeling
- Experience operating AWS-based infrastructure
- Mandatory experience in fintech/payment system development
- Ability to read and write technical documentation in English
- Capable of asynchronous collaboration and self-managed work
- Currently residing in Ho Chi Minh City or willing to relocate

Preferred Qualifications

- Experience integrating Stripe, Toss Payments, Airwallex, etc.
- Experience with security certifications (PCI DSS, ISO 27001, etc.)
- Experience building AML/KYC systems
- Experience with international remittance systems

Why you'll love working here

Quyền lợi
- Competitive compensation based on experience and skill set
- As required by Vietnamese labor law, full social insurance coverage applies for contracts of 1 month or longer
- Shared co-working space in District 7, HCMC