Tech Lead Manager, Mobile — Search AI Product & Mobile

Coupand•Mountain View, CA

About The Position

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. 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.

Requirements

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

Nice To Haves

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

Responsibilities

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