Role Overview

Coupang is one of the largest and fastest growing e-commerce platforms on the planet. Our mission is to create a world in which Customers ask “How did I ever live without Coupang?” We are looking for passionate builders to help us get there. Powered by world-class technology and operations, we have set out to transform the end-to-end Customer experience -- from revolutionizing last-mile delivery to rethinking how Customers search and discover on a truly mobile-first platform. We have been named one of the “50 Smartest Companies in the World” by MIT Technology Review and “30 Global Game Changers” by Forbes.


Coupang is a global company with offices in Beijing, Los Angeles, Seattle, Seoul, Shanghai, and Silicon Valley.


Principal engineers manage all phases of technical projects. They oversee the product's or project’s conception, design and initial product specifications and manage scheduling, estimating and securing materials. They draft and execute construction contracts, track project progress. Principal engineers also conduct engineering studies and investigations, and prepare reports for company leadership. They also provide engineering guidance to other departments, help to train new engineers and keep abreast of industry trends and issues.

You will be engaged in the entire agile development process from participating in story estimation, feature design discussions and planning, implementation and releasing. You will design and implement system architecture, and have primary responsibility for code quality. Your focus is not only on functionality, but on performance, security and data validation. You should provide the final recommendation to a technical trade-off.

What You Will Do

-Tech leader for agile team throughout the software development lifecycle

-Collaboration with product owners, stakeholders and designers to implement enhancements or new applications

-Conduct design and code review to ensure compliance with standards

-Ensure adherence to continuous improvement practices as required to meet quality/time to market imperatives;

-Share best practices and improve processes within or across agile teams, mentor junior developers

-Strong problem resolve skills

-Lead and drive company level project with collaborate with different agile teams and stakeholders.


Basic Qualifications

- 8+ years of software development experience

- 6+ years of iOS app development using Objective-C or Swift

- Experience deploying applications to the Apple App Store, ideally available in Apple App Store currently.

- Strong knowledge of Objective-C, Swift, iOS SDK, Xcode, Cocoa Touch, and UIKit

- Experience working in an agile environment

- Good understanding of design patterns, such as MVP/MVC/MVVM, Observers, Delegation

- Experience consuming RESTful JSON APIs

- Passion for writing readable, maintainable and well-tested code

-Bachelor’s degree in Computer Science, Engineering, Information Technology or related field


Privacy Notice (China)

Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below. 


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