Tech Lead Mobile Engineer - User Growth

San Jose, California, US Until 8/21/2026 H-1B sponsor history First posted March 29, 2026 Last posted March 29, 2026
Job description

Description

TikTok's User Growth team leads growth initiatives for TikTok and all its platforms (e.g. Lite, Web, etc.) with a data-driven and results-focused engineering and product mindset. We are seeking talented individuals who enjoy the intersection of product, data, design, and engineering to help us reach the next milestone of billions of users.

You'll have the opportunity to build best-in-class onboarding experiences for our users as well as define A/B testing frameworks to measure and improve user retention rate. We encounter a diversity of technical challenges, allowing you to get a firsthand look at what technologies the most innovative organizations are using and be able to build up a bottom-up growth strategy from scratch. You'll be joining a full-stack team that can leverage all of TikTok's existing frameworks and be a part of designing and implementing new techniques and foundation work that can further improve user experience and showcase TikTok's value proposition.

As a Mobile Tech Lead for the User Growth team, you will:
• Leverage data to understand our users and our product in-depth, identify areas of opportunity and execute projects to drive user growth, retention, and/or engagement design, implement the new-user features of our mobile application.
• Collaborate with the design and product teams to create a world-class mobile experience.
• Analyse and optimize Android applications for efficiency and performance.
• Promote robust and maintainable code, clear documentation, and deliver high-quality work on a tight schedule.

Requirements

Minimum Qualifications:
• BS/MS degree in Computer Science or equivalent majors.
• Strong understanding of software development principles, capabilities, and limitations of Android platform.
• Proficiency in Kotlin/Java/Objective-C or Swift.
• Ability to understand and debug large and complex code bases.
• Good team communication and collaboration skills.
• Passion and experience building consumer-facing products is a huge plus; we would love to hear about apps you've developed!

About this role

Summary

Lead mobile development for user growth, optimize Android apps, collaborate on design, ensure code quality.

Job title

Tech Lead Mobile Engineer - User Growth

Experience level

not specified

Industry

technology

Location requirements

must be in San Jose, remote not specified

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

kotlinjavaandroiddebuggingteam collaboration

Preferred skills

None specified

Specializations

mobileandroidperformancekotlinjava
Locations

Structured locations inferred from the posting.

San Jose, CA, USA

On-site City