Coupang

Staff Mobile Engineer [L6-1] Marketing Product Engineering

Coupang
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4 hours ago
Shanghai, ChinaStaff+
H1B Sponsor

Responsibilities

  • Own the architecture and technical direction of Android applications and shared mobile capabilities.
  • Design, implement, and operate robust Android features and services throughout the software development lifecycle.
  • Establish and improve standards for code review, testing, observability, release safety, performance, reliability, and security.
  • Lead technical discussions, resolve architectural tradeoffs, and guide execution in ambiguous environments.
  • Use AI-assisted tools for coding, refactoring, documentation, test generation, and debugging while validating output quality and security.
  • Support or prototype iOS, PC, and Web solutions using cross-platform engineering judgment and AI assistance.
  • Improve automated unit, integration, UI, regression, and production validation coverage.
  • Partner with product, design, backend, data, and platform stakeholders to turn customer and business needs into technical solutions.
  • Investigate production issues, lead root-cause analysis, and implement preventive improvements.
  • Communicate technical designs, risks, progress, and decisions to technical and non-technical stakeholders.
  • Mentor engineers and influence technical direction and engineering practices across teams.

Requirements

  • 8+ years of professional software engineering experience, including substantial experience building and operating production Android applications.
  • Strong proficiency in Kotlin and the Android SDK, including Android architecture, lifecycle, concurrency, networking, and performance optimization.
  • Experience designing maintainable Android architectures involving modularization, dependency management, state management, and separation of concerns.
  • Experience owning software quality, testing strategy, code review, CI/CD, observability, release management, and production issue resolution.
  • Experience delivering complex software systems from design through launch and operation.
  • Experience influencing technical direction and engineering practices across one or more teams.
  • Ability to mentor engineers, communicate effectively, and provide technical leadership without relying solely on organizational authority.
  • Experience independently owning medium-to-large initiatives and influencing architecture and execution without direct reporting authority.
  • Hands-on experience using AI-assisted programming tools to improve productivity, code quality, testing, or debugging, with the ability to validate generated output.
  • Bachelor’s degree in computer science or a related field, or equivalent practical experience.
  • Written and verbal English communication skills are required.
  • Preferred experience with large-scale consumer-facing mobile applications, performance, reliability, experimentation, and rapid release cycles.
  • Preferred experience with mobile observability, crash and ANR analysis, performance profiling, feature flags, experimentation, and staged rollouts.
  • Preferred knowledge of iOS, Swift, Web, PC, or shared cross-platform development.
  • Preferred experience integrating mobile applications with distributed backend services, analytics, and personalization or marketing platforms.
  • Preferred familiarity with AI coding agents, code-generation workflows, prompt design, automated code review, and secure AI-assisted software development.
  • Strong problem-solving skills and experience working in fast-paced, ambiguous, and agile environments.

Benefits

  • The role offers opportunities to influence architecture and execution across teams, mentor engineers, and work with product, design, backend, data, and platform partners.
  • The recruitment process consists of application review, phone interview, and onsite or virtual onsite interview before an offer.
  • The recruitment process and application closing date may vary based on scheduling and hiring needs.

Tech Stack

Android SDKiOSKotlinSwift

Categories

Mobile
Coupang

About Coupang

10,000+ employees

Coupang is a technology and Fortune 150 company listed on the New York Stock Exchange (NYSE: CPNG) that provides retail, restaurant delivery, video streaming, and fintech services to customers around the world under brands that include Coupang, Eats, Play, Rocket Now, and Farfetch.

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