Senior Full Stack Software Engineer

Senior Full Stack Software Engineer Location: Hong Kong Job Highlights Full stack: React (web) + [link] + AWS CDK + payments 5+ years engineering experience with fintech or financial systems We're looking for someone who can start within the next 1 month. About Us We are a Hong Kong-based fintech company building mission-critical financial infrastructure across payments. This is an opportunity to work on core platform systems that handle real-time transactions and serve institutional clients.

We value engineers who take ownership, ship with urgency, and care deeply about building secure, reliable financial systems.

Develop and maintain full stack features across web and backend services (Node.js, PostgreSQL) powering the company's fintech platform Integrate fiat banking rails and payment infrastructure including ACH, card issuing, ledger systems, and real-time payment networks (e.g., FPS, SWIFT) Implement authentication and security solutions including passkeys, device biometrics, O

Auth, WebAuthn, and session management to protect client assets and data Design and consume REST APIs; build robust, well-documented service interfaces for internal and external consumption Participate in architecture decisions shaping system scalability, security, fault tolerance, and user trust across the platform Define and deploy cloud infrastructure using AWS CDK, applying infrastructure-as-code practices for reproducible, auditable, and version-controlled deployme