Mobile Engineering Lead: AI Search & Discovery

Coupang; United States; On-site; USD 160,000 - 230,000; Full time

Job summary

Coupang is seeking a Tech Lead Manager - Mobile to lead the Search API Product & Mobile team, shaping the technical direction and growing talent. You will own critical surfaces on Coupang's app and work closely with ML and backend teams to deliver high-impact features.

You will mentor engineers across iOS and Android, drive architecture decisions, and push performance and reliability while partnering across organizations to accelerate AI-powered search experiences.

Qualifications

• 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) 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
• Experience in search, discovery, recommendation, or feed products on mobile
• Hands-on experience integrating ML-powered features on Mobile — on-device inference or server-side model APIs
• Familiarity with LLM-based product features (conversational search, semantic ranking)
• Background in large-scale e-commerce or marketplace mobile apps
• Fluent reading/understanding of backend APIs, data pipelines, and ML model outputs
• Proven track record of strong ownership in early-stage startup or high-growth tech environment

Responsibilities

• Build, grow and mentor a team of mobile engineers including iOS and Android.
• Build inclusive team culture to make everyone belong, refine process to make team members’ work easier.
• Drive cross-team collaborations with Backend and ML teams, even cross organizations.
• Define and drive 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

Skills

Mobile development

People management

iOS or Android

Architecture patterns

A/B experimentation

Technical leadership

Performance optimization

Mentoring engineers

Job description

Coupang is seeking a Tech Lead Manager - Mobile to lead the Search API Product & Mobile team, shaping the technical direction and growing talent. You will own critical surfaces on Coupang's app and work closely with ML and backend teams to deliver high-impact features.

You will mentor engineers across iOS and Android, drive architecture decisions, and push performance and reliability while partnering across organizations to accelerate AI-powered search experiences.