Responsibilities
The TikTok User Growth team is central to the strategic acquisition, engagement, and expansion of TikTok's global user base, numbering in the billions. Our mandate encompasses driving significant user inflow through both paid and organic channels worldwide, meticulously optimizing new user conversion pathways to maximize retention, streamlining user outreach mechanisms to foster greater activity, and strategically utilizing independent platforms (e.g., TikTok Lite, TikTok Pro, Web) to capture distinct user segments. These comprehensive approaches are designed to achieve accelerated growth in TikTok's overall DAU. Typical Growth projects including AI-Generated Content (AIGC).creative generating, Search Engine Optimizing of Organic acquisition, Intelligent Ads delivery,etc.

1. Develop backend systems for TikTok user growth, supporting high-concurrency and complex business scenarios
2. Work closely with Product Managers, Frontend, and Data teams to deliver end-to-end growth solutions
3. Contribute to core growth capabilities such as user behavior analytics, A/B experimentation, and real-time decision systems
4. Explore and implement AI applications in growth use cases (e.g., intelligent strategies, automated analysis, AI agent systems)
5. Possess a certain level of full-stack capability, and be able to contribute to frontend or end-to-end development when needed to improve iteration efficiency
6. Drive technical excellence within the team, including architecture optimization, engineering productivity, and technical influence

Qualifications
Minimum Qualifications:
1. Proficient in Go with 3+ years of experience; strong understanding of concurrency and performance optimization; capable of building highly available distributed systems for high-throughput scenarios
2. Solid data engineering skills, familiar with data modeling and ETL processes; experienced with MySQL, Redis, Kafka, and building efficient data pipelines
3. Understanding of user growth domains, with experience in areas such as event tracking, A/B testing, and user behavior analysis; able to ensure data accuracy and real-time processing
4. Familiar with distributed systems and microservices architecture; strong troubleshooting and system optimization skills

Preferred Qualification:
1. Good team communication and collaboration skills.
2. Some full-stack development experience (e.g., web frontend, Node.js, prototyping) is a plus
3. Experience with AI agents or strong interest in AI applications (e.g., LLMs, RAG, automation) is preferred.

About TikTok
TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok'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.

Why Join Us
Inspiring creativity is at the core of TikTok'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.

Diversity & Inclusion
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.

AI Agent Engineer - User Growth