Software Engineer, Ads ML Infrastructure - USDS

Responsibilities About the team The ads system at TikTok 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. Drive projects committed to building, optimizing and operating machine learning frameworks to empower large-scale Ads machine learning models training and serving. 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. 3+ years of hands‑on experience in building and training complex and scalable machine learning systems. Understand mainstream machine learning frameworks (TensorFlow, PyTorch, etc.) and technologies including High Performance Computing, Applied ML models (MLP/Transformer/MoE), ML Hardware Acceleration (e.g., GPU/RDMA). Strong Computer Science fundamentals (coding, algorithms, data structures, software design) and problem‑solving skills. Ability to think critically and to formulate solutions to problems in a clear and concise way. Effective communication skills and a sense of ownership and drive. Experience in managing projects. Preferred Qualifications: Experience in Ads domain. Experience with building large‑scale ranking and machine learning infrastructure. Experience of Peta Byte level data processing. Reasonable Accommodation USDS 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 Job Information Compensation Description (Annually): The base salary range for this position in the selected city is $129,960 - $341,734 annually. Compensation may vary outside of this range depending on a number of factors, including a candidate’s qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units. Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short‑term and long‑term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure). The Company reserves the right to modify or change these benefits programmes at any time, with or without notice. For Los Angeles County (unincorporated) Candidates: Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues; Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; Exercising sound judgment. #J-18808-Ljbffr TikTok USDS Joint Venture