Staff Mobile Engineer

Coupang Internal•Mountain View, CA

10h

About The Position

The Search AI Product Engineering team is dedicated to crafting innovative search and discovery experiences for Coupang customers. By utilizing cutting-edge AI breakthroughs, we empower our users to navigate products with ease and find everything they need to live their lives to the best. We are looking for a smart, passionate engineer who has a strong sense of ownership. If you want your work to positively impact the lives of millions of people and you are up for a change, let's talk! This team is a full stack team, in which there are Android, iOS, Web and Backend engineers. As the engineer of Search AI Product Engineering team, you will own one of the most critical product surfaces on Coupang's app – Search and Discovery surfaces where 60%+ of transactions happen.

Requirements

6+ years of professional iOS development experience, demonstrating deep proficiency in swift
Proven track record developing and scaling high-quality, large-scale consumer mobile applications
Hands-on experience engineering robust AI harness solutions
Expertise utilizing data analytic tools (e.g., Presto, Jupyter) to drive product insights
Ability to design, execute, and analyze complex A/B tests and experiments to inform product decisions
Experience with architecture patterns like MVVM, modern concurrency (Combine / async-await), and data persistence (Core Data)
Deep and practical understanding of modern iOS UI development, including both UIKit and SwiftUI
Exceptional cross-functional communication skills and a strong product sense.
A strong passion and sense of ownership for building and iterating on consumer-facing product
Bachelor's degree in computer science, electrical engineering, mathematics, statistics or closely related fields
Experience developing high quality, large-scale consumer applications
Experience in data analytic tools such as Presto or Jupyter
Able to conduct complex A/B testing, able to do experiment analysis
Deep understanding of UI development of Android
Experience with MVVM, Hilt and Room
Strong communication skills and great product sense
Strong passion of building product

Nice To Haves

Master’s or PhD in relevant technical fields
Experience with iOS application development (Swift/Objective-C).
Experience with Android and/or web development is a strong plus
Proven track record of strong ownership, ideally within an early-stage startup environment.
Excellent communication skills with the ability to explain complex technical concepts to both technical and non-technical stakeholders
Demonstrated ability to work independently and manage ambiguity in fast-paced environment

Responsibilities

Engineer robust AI harness solutions to power the Search AI Product Engineering team
Develop and launch groundbreaking AI-driven experiences for Coupang's search and discovery platforms
Drive the high-quality development and maintenance of critical iOS search components, ensuring a robust, fluent, and lightning-fast user experience that wows our customers.
Strategically collaborate with Product Managers, Designers, and cross-functional teams to deliver holistic, end-to-end user experiences.
Apply best-in-class programming skills to develop highly innovative, consumer-facing mobile products