Build and maintain robust backend services and APIs that power both web and mobile applications using Node.js
Work closely with PM and design to build scalable products and services
Establish self as an owner of a particular component, feature, or system with expert end-to-end understanding
Successfully complete projects at large scope while maintaining a consistently high level of productivity
Take active ownership of DevOps responsibilities including CI/CD pipelines, infrastructure management, deployment automation, and system reliability
Leverage AI coding tools (Cursor, Codex, Claude Code) to accelerate development velocity and improve code quality

BS (or higher) in Computer Science
Bilingual proficiency in English and Mandarin
5+ years experience building highly scalable and reliable infrastructure
Payment system experience preferred
Hands-on DevOps experience: CI/CD, infrastructure as code, containerization (Kubernetes, Docker), and cloud platforms (GCP/AWS)
Proficiency with AI-assisted development tools (Cursor, Codex, Claude Code) preferred
Experience building high-concurrency systems preferred

Protac Inc.

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