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

Job Overview:
As a Senior Backend Engineer on the TikTok AI Camera Team, you will be responsible for designing, building, and maintaining scalable and robust backend systems to support the camera tools and functionalities used by millions of users worldwide. You will work closely with cross-functional teams, including mobile developers, product managers, and designers, to ensure seamless integration of the backend with mobile applications. Your technical expertise will directly impact the creative experience of TikTok users and content creators.

Joining the TikTok AI Camera Team will provide you with an excellent career growth opportunity, allowing you to contribute to the enhancement of the creative experience for millions of users worldwide. If you are a skilled Senior Backend Engineer with a passion for technological innovation and content creation, we sincerely invite you to be part of our dynamic and motivated team. Let's collaborate to build outstanding backend systems that power innovative creative tools on TikTok!

Responsibilities:
- Design and develop backend services and APIs to power the camera tools and features on the TikTok platform.
- Collaborate with product managers and mobile developers to understand user needs and product requirements, and translate them into well-designed backend solutions.
- Stay up-to-date with the latest backend development, AIGC and Generative AI technologies, and incorporate them into the product development process, ensuring our creative tools stay at the forefront of the industry.
- Ensure the performance, scalability, and reliability of backend systems to handle high traffic and support a large user base.
- Implement data storage and retrieval mechanisms to support content creation, editing, and sharing.
- Identify and address security vulnerabilities to protect user data and ensure the integrity of the platform.
- Work on optimizing database queries and caching strategies to improve system efficiency and response times.
- Participate in code reviews and technical discussions to maintain code quality and promote best practices within the team.
- Troubleshoot and resolve backend issues and bugs, ensuring the stability and smooth operation of the platform.