Mobile Engineering Jobs in California (NOW HIRING)

Please complete the attached Internal TransferRequest Formand submit.  

Please make sure to apply with your Coupang e-mail address.  

Company Introduction  

We exist to wow our customers. We know we're doing the right thing when we hear our customers say, "How did I ever live without Coupang?" Born out of an obsession to make shopping, eating, and living easier than ever, we are collectively disrupting the multi-billion-dollar commerce industry from the ground up and establishing an unparalleled reputation for being leading 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. 

About the Team

The Search AI Product & Mobile team sits within Coupang's Search and Discovery org. We're dedicated to crafting innovative search and discovery experiences for Coupang customers - using cutting-edge AI to empower users to navigate products with ease and find everything they need. As the mobile TLM of this team, you own one of the most critical product surfaces on Coupang's app - Search and Discovery, where 60%+ of transactions happen. We move at high velocity, work closely with ML and backend platform teams, and ship features that have direct, measurable impact on customer satisfaction and revenue.

The Role

We're looking for a Tech Lead Manager - Mobile, who will lead the Search API Product & Mobile team, drive the technical direction of the team and grow the team members. The main responsibilities is leading the team to drive the Coupang business and pave the way for the future AI search experience.

What You Will Do  

Build, grow and mentor a team of mobile engineers includign iOS and Android.

Build inclusive team culture to make every one belong, refine process to make team members' work easier.

Drive the cross team collaborations with Backend and ML teams, even cross organizations.

Define and drive the architecture for Coupang's search and discovery features, including search results pages, query suggestions, zero-state discovery, and AI-powered recommendations

Set technical direction for mobile-side integration of ML models (on-device inference, server-side ranking signal consumption, feature flag-gated experiments)

Lead architecture reviews and design docs; your decisions have long-term codebase impact 

Own the end-to-end technical quality bar: performance budgets, memory footprints, latency targets

What We Are Looking For 

8+ years of industry experience in mobile development and 2 years of people management experience.

Expert proficiency in either iOS or Android

Strong grasp of mobile architecture patterns (MVVM, TCA, Coordinators, etc.) and when to apply them

Experience building and shipping features in high-traffic, data-intensive consumer apps

Demonstrated experience with A/B experimentation on mobile - instrumentation, analysis, iteration

Proven technical leadership: you've shaped architecture decisions, written design docs, and driven alignment across teams

Strong understanding of mobile performance: memory management, concurrency, rendering pipeline, network stack

Track record of mentoring and growing engineers around you

Preferred Qualifications  

Experience in search, discovery, recommendation, or feed products on mobile

Hands-on experience integrating ML-powered features on Mobile - whether on-device inference (Core ML, ONNX), server-side model APIs, or both

Familiarity with LLM-based product features (conversational search, query rewriting, semantic ranking)

Background in large-scale e-commerce or marketplace mobile apps

Comfort reading and reasoning about backend APIs, data pipelines, and ML model outputs (you don't need to build them, but you need to work fluently with the people who do)

Proven track record of strong ownership, ideally within an early-stage startup or high-growth tech environment 

General Description of All Benefits

• Medical/Dental/Vision/Life, AD&D insurance
• Flexible Spending Accounts (FSA) & Health Savings Account (HSA)
• Long-term/Short-term Disability
• Employee Assistance Program (EAP) program
• 401K Plan with Company Match
• 18-21 days of the Paid Time Off (PTO) a year based on the tenure
• 12 Paid Holidays
• Paid Parental leave
• Pre-tax commuter benefits
• MTV - [Free] Electric Car Charging Station

General Description of Other Compensation

"Other Compensation" includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale.

Recruitment Process

• Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview - Offer
• The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.
• Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage.

Details to Consider

• This job posting may be closed prior to the stated end date for application if all openings are filled.
• Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.
• Those eligible for employment protection (recipients of veteran's benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws.

Privacy Notice

• Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: https://www.coupang.jobs/privacy-policy/

Equal Opportunities for All

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Coupang is also committed to providing a safe work environment for its employees and its consumers. If you need assistance and/or reasonable accommodation in the application of recruiting process due to a disability, please contact us at usrecruiting@coupang.com.

Job Requisition ID: R0076403

Please complete the attached Internal TransferRequest Formand submit.  

Please make sure to apply with your Coupang e-mail address.