Staff Mobile Engineer

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We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we’re collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce.  

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.  

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. 

Role Overview 

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 smart, passionate engineer who have 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.

What You Will Do

• 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

What we are looking for

• 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

Basic Qualifications  

• 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 o