Senior Software Engineer - TikTok Mobile Reliability, iOS (Multiple Positions)

About TikTok
TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Singapore, Jakarta, Seoul and Tokyo.

Why Join Us
Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible.
Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day.
To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always.
At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve.
Join us.

About the Team
Our team plays a crucial role in ensuring the company’s success. We seek people who are willing to learn and put in the effort to solve problems. Our challenges are not your regular day-to-day problems - you’ll be part of a team that’s developing new solutions to new challenges. It’s working fast, at scale, and we’re making a difference. We are looking for talents to join us on this exciting journey!

Responsibilities
- Ensure the reliability of TikTok iOS applications by monitoring and resolving online reliability-related issues including crashes and Out-of-Memory (OOM), and monitor and solve/minimize the occurrence of such issues to ensure a seamless user experience.
- Identify and resolve the root causes of long-standing reliability issues that persist online.
- Develop tools to assist developers in identifying reliability-related issues early on, before the release of new versions.
- Optimize and improve video playback performance and reliability on iOS.
- Work with cross-functional teams to debug and diagnose quality of end-to-end video experience and land optimization solutions.
- Develop OOM roadmaps to plan and ensure long-term compliance of TikTok's memory usage with expectations.
- Establish memory usage standards and guidelines for TikTok and improve the code that currently does not meet the expectation.
- Mentor junior engineers and interns.Qualifications
Must have a Master's degree in Computer Science, Engineering (any), Information Technology, Mathematics, Statistics, Physics, or a related field, and 2 years of related work experience; OR a Bachelor's degree in Computer Science, Engineering (any), Information Technology, Mathematics, Statistics, Physics, or a related field, and 5 years of post-bachelor’s, progressive related work experience.

Of the required experience, must have 2 years of experience in each of the following:
- Utilizing iOS multithreading and locking to solve online performance issues;
- Utilizing OpenGL to create EAGLContext and perform video rendering;
- Designing and implementing mobile applications, including front-end UI logic and back-end business logic for iOS platform;
- Designing and implementing user interfaces and scripts for mobile applications using Objective-C, Swift, JavaScript, and React Native;
- Maintaining, debugging, and upgrading iOS mobile applications; and
- Optimizing performance for iOS mobile applications using xCode and VSCode.

Type: Full time, 40 hours/week
Location: San Jose, CA
Salary Range: $283442 - $355000 per year

To Apply, click the apply button below. Contact lpresumes@tiktok.com if you have difficulty submitting resume through the website.

TikTok 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 TikTok, 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.

TikTok 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 lpresumes@TikTok.com.


#LI-DNI

#IND-DNI