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.

Job highlights

Positive team atmosphere, Career growth opportunity, Flat organization, Industry experts

Team Introduction

The App Ads and Gaming team empowers TikTok's global monetization (billion-dollar business) via efficiently delivering application ads on TikTok. Our mission is to push the boundaries of large-scale ads delivery systems and lead the innovations of TikTok's personalized online advertising. Hence, you'll have a chance to get deeply involved in our large-scale distributed systems and state-of-the-art machine learning algorithms. As a Machine Learning Engineer on the App Ads & Gaming team, you will make efforts to develop novel machine learning solutions for ranking, build scalable foundations and launch various products that maximize the efficiency of deep funnel app ads delivery.

Key Responsibilities:

- Work on the development of a large-scale App Ads delivery system and improve its accuracy.

- Explore multi-stage ranking models, conduct data analysis, develop feature engineering.

- Participate in the innovations of core App Ads systems using machine learning models, ranking algorithms, etc.

- Partner with product managers, data scientists and product strategy & operation team to launch new App Ads products and features.

Minimum Qualifications:

- Master's Degree in Computer Engineering

- 0-1 year of hands-on experience with applying machine learning methods for ranking.

- 0-1 year of software development experience and strong coding skills, especially in Python/C++. Experience with Tensorflow/PyTorch/MXNet is an essential requirement.

- Hands-on experience with industry-level recommender systems.

- Proficient in online experimentation methods and analytics. Essential knowledge and skills in statistics.

Preferred Qualification:

- Curiosity toward new technologies and entrepreneurship.