Job description

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

Why Join Us
At TikTok, our people are humble, intelligent, compassionate and creative. We create to inspire - for you, for us, and for more than 1 billion users on our platform. We lead with curiosity and aim for the highest, never shying away from taking calculated risks and embracing ambiguity as it comes. Here, the opportunities are limitless for those who dare to pursue bold ideas that exist just beyond the boundary of possibility. Join us and make impact happen with a career at TikTok.

About USDS
At TikTok, we're committed to a process of continuous innovation and improvement in our user experience and safety controls. We're proud to be able to serve a global community of more than a billion people who use TikTok to creatively express themselves and be entertained, and we're dedicated to giving them a platform that builds opportunity and fosters connection. We also take our responsibility to safeguard our community seriously, both in how we address potentially harmful content and how we protect against unauthorized access to user data.

U.S. Data Security (“USDS”) is a standalone department of TikTok 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 TikTok platform and user data in the U.S., so millions of Americans can continue turning to TikTok to learn something new, earn a living, express themselves creatively, or be entertained. The teams within USDS that deliver on this commitment daily span Trust & Safety, Security & Privacy, Engineering, User & Product Ops, Corporate Functions and more.

About the team:
The Data Cycling Center team within the US Tech Service department of TikTok supports development of machine learning solutions related to unstructured data. You'll have the opportunity to gain hands-on experience on all kinds of systems in the data platform ecosystem. Your work will have a direct and huge impact on the company's core products as well as hundreds of millions of users.

About the Role:
We are looking for generalists and specialists in AI/ML techniques including computer vision (CV), natural language processing (NLP), and audio signal processing. You will be responsible for partnering with a variety of stakeholders (product, operations, policy and engineering) and developing state-of-the-art models.

What You'll Need:

• Knowledge of underlying mathematical fundamentals in statistics, machine learning and analytics.
• Experience with exploratory data analysis, statistical analysis and hypothesis testing, and model development.
• Fluency in SQL, Hive, Presto, or Spark and ability to write efficient code at scale with large datasets.
• Experience using Python or at least one programming language efficiently at scale with large data sets.
• Experience in building and evaluating machine learning models.

What You'll Do:

• Drive clarity and solve ambiguous, challenging business problems using data-driven approaches.
• Propose and own data analysis (including modeling, coding, analytics, and experimentation) to drive business insight and facilitate decisions).
• Develop creative solutions and build prototypes to business problems using algorithms based on machine learning, statistics and optimization.

Qualifications

• M.S. or Bachelors degree in Statistics, Economics, Computer Science or another quantitative field (If M.S. degree, a minimum of 3+ years of industry experience required and if Bachelor's degree, a minimum of 5+ years of industry experience required).
• 5 Years exp in AI/ML discipline (CV, NLP, ASR, etc.), including experience with ML model building with libraries such as Tensorflow, PyTorch and OpenAI.
• Knowledge of fundamentals of machine learning such as algorithm families (regression, classification, unsupervised), AB testing, hypothesis testing, and optimization.

Preferred:

• Experience with human-in-the-loop ML, active learning, and data labeling.
• Experience with knowledge graphs and graph databases (e.g., Neo4j, triplestores, ontologies, taxonomies).
• Strong communication skills, for example demonstrated through documentation and presentations. Able to present findings to senior management and inform business decisions.

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.

TikTok is committed to providing reasonable accommodations during our recruitment process. If you need assistance or an accommodation, please reach out to us at USRC@tiktok.com
Job Information
The base salary range for this position in the selected city is $158080 - $321632 annually.

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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.

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At ByteDance/TikTok our benefits are designed to convey company culture and values, to create an efficient and inspiring work environment, and to support ByteDancers to give their best in both work and life. We offer the following benefits to eligible employees:

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We cover 100% premium coverage for employee medical insurance, approximately 75% premium coverage for dependents and offer a Health Savings Account(HSA) with a company match. As well as Dental, Vision, Short/Long term Disability, Basic Life, Voluntary Life and AD&D insurance plans. In addition to Flexible Spending Account(FSA) Options like Health Care, Limited Purpose and Dependent Care.

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Our time off and leave plans are: 10 paid holidays per year plus 17 days of Paid Personal Time Off(PPTO) (prorated upon hire and increased by tenure) and 10 paid sick days per year as well as 12 weeks of paid Parental leave and 8 weeks of paid Supplemental Disability.

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We also provide generous benefits like mental and emotional health benefits through our EAP and Lyra. A 401K company match, gym and cellphone service reimbursements. The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

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