Senior iOS Software 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. TV, 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 Senior iOS Engineer 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 iOS 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 iOS platform.
• Proficiency in 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

Develop and optimize iOS applications to drive user growth and retention.

Job title

Senior iOS Software Engineer - User Growth

Experience level

senior level

Industry

software

Location requirements

Remote or onsite in San Jose, California, USA

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

SwiftObjective-Cdebuggingteam collaboration

Preferred skills

consumer-facing apps

Specializations

iOSSwiftObjective-Cmobile development
Locations

Structured locations inferred from the posting.

San Jose, CA, USA

Hybrid City