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Protac Inc.

Protac Security Services. Your trusted partner for comprehensive Safety And Security Solutions on the Central Coast!

Senior Backend Software Engineer

Backend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 51-200Since 2015H1B No SponsorCompany SiteLinkedIn

Location

China

Posted

65 days ago

Salary

¥500K - ¥700K / year

Seniority

Senior

Bachelor Degree5 yrs expEnglishChineseAWSDockerGCPJavaScriptKubernetesNode.js

Job Description

Senior Backend Software Engineer

Protac Inc.

• 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

Job Requirements

  • 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

Benefits

  • 5 insurances + 1 housing fund(五险一金)
  • Equity grants will also be provided as part of the total compensation package.

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