Senior Software Engineer, Ads Infra Big Data - USDS

Senior Software Engineer, Ads Infra Big Data - USDS

About the Team

The Ads System at Tik Tok operates on a massive scale and serves millions of advertisers, clients and influencers across the world. The quality of the ads system highly depends on the ability to handle massive data, and machine learning is widely used to improve the quality of our ads. The USDS Ads Infra team is responsible for building highly efficient, scalable and stable infrastructure to support Ads machine learning, ranking and big data systems.

We are seeking innovative Software Engineers to join our team. You will drive key technical projects and play a pivotal role in elevating our engineering capabilities. In order to enhance collaboration and cross‑functional partnerships, our organization follows a hybrid work schedule that requires employees to work in the office 3 days a week, or as directed by their manager/department. We regularly review our hybrid work model, and the specific requirements may change at any time.

Responsibilities

• Drive projects committed to building and operating innovative big data computing frameworks and storage systems to empower large-scale Ads serving and machine learning systems.

• Communicate cross-functionally across various teams, organizations and internal and external stakeholders to drive engineering efforts.

• Drive the innovation efforts, and bring in new ideas and technologies.

Qualifications

Minimum Qualifications

• Bachelor's degree or above, major in computer science or related technical disciplines.

• 2+ years of hands‑on experience in big data processing and storage frameworks, e.g. Hadoop, Flink, Spark, Kafka, Hive, HBase, Redis, Rocks

DB, etc.

• Strong Computer Science fundamentals (coding, algorithms, data structures, software design) and problem‑solving skills.

• Ability to think critically and formulate solutions to problems in a clear and concise way.

• Effective communication skills and a sense of ownership and drive.

Preferred Qualifications

• Experience in Ads domain.

• Experience with building large‑scale ranking and machine learning infrastructure.

• Experience of Peta Byte level data processing.

About USDS

Tik Tok is the leading destination for short‑form mobile video. Our mission is to inspire creativity and bring joy. U.S. Data Security (“USDS”) is a subsidiary of Tik Tok in the U.S. This new, security‑first division was created to bring heightened focus and governance to our data protection policies and content assurance protocols to keep U.S. users safe. Our focus is on providing oversight and protection of the Tik Tok platform and U.S. user data, so millions of Americans can continue turning to Tik Tok to learn something new, earn a living, express themselves creatively, or be entertained.

The teams within USDS that deliver on this commitment daily span across Trust & Safety, Security & Privacy, Engineering, User & Product Ops, Corporate Functions and more.

Why Join Us

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.

Diversity & Inclusion

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…