Senior SafePay Backend Developer

Top 3 Reasons To Join Us The Job 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