IOS Software Engineer - User Growth

iOS Software Engineer - Tik Tok User Growth

Tik Tok's User Growth team leads growth initiatives for Tik Tok 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 rates. 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 Tik Tok's existing frameworks and be a part of designing and implementing new techniques and foundation work that can further improve user experience and showcase Tik Tok's value proposition.

• 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
• Analyze and optimize iOS applications for efficiency and performance
• Promote robust and maintainable code, clear documentation, and deliver high-quality work on a tight schedule

• BS/MS Degree in Computer Science or related major
• Experienced in building backend services for large-scale consumer-facing applications
• Deep understanding of computer architectures, data structures, and algorithms
• Strong understanding of software development principles, capabilities, and limitations of iOS platform.
• Ability to understand and debug large and complex code bases.
• Proficient in at least one of the following languages:
  Objective‑C or Swift.

Tik Tok is the leading destination for short‑form mobile video. At Tik Tok, our mission is to inspire creativity and bring joy. Tik Tok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Inspiring creativity is at the core of Tik Tok's mission. Our innovative product is built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and bring joy - a mission we work towards every day.

We strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. Every challenge is an opportunity to learn and innovate as one team. We’re resilient and embrace challenges as they come. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our company, and our users.

When we create and grow together, the possibilities are limitless. Join us.

Tik Tok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At Tik Tok, our mission is to inspire creativity and bring joy. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach.

We are passionate about this and hope you are too.

Tik Tok is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at

【For Pay Transparency】Compensation Description (Annually) The base salary range for this position in the selected city is $136800 - $259200 annually. Compensation may vary outside of this…