ResponsibilitiesTikTok 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, Singapore, Jakarta, Seoul and Tokyo. Why Join UsCreation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible. Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day. To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always. At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve. Join us.The team aim to enhance privacy and security worldwide, tackling the unprecedented compliance challenges. We drive privacy initiatives across big data realms, utilizing different approaches. As data is the cornerstone of privacy, safeguarding user data is one of our primary objectives. Data-driven and AI-driven privacy modeling technologies are emerging areas that are yet to be well-defined in our industry. By joining the team, you will have the opportunity to refine the privacy-aware data understanding and perception framework, utilize advanced privacy technology and AI techniques to ensure our users’ privacy across TikTok's products and platforms. Simultaneously, we are conducting applied research on state-of-the-art methods in related fields. You will have numerous opportunities to explore a wide variety of scenarios and undertake cutting-edge research work to impact billions of users and customers.Responsibilities• Lead a team to develop large language models, with a particular focus on intelligent interactions, text generation, and the construction and enhancement of other core NLP/ML algorithm models.• Investigate cutting-edge technologies related to large language models and apply them to privacy-centric scenarios.• Lead and collaborate with cross-functional teams through implementing relevant applications within the domain of privacy, including but not limited to content generation, reasoning, and code generation, etc., to address business pinpoints at multiple levels of stakeholders .Qualifications• Bachelor's degree in Computer Science or a related technical field with at least 5-7 years of professional experience in related fields.• A solid foundation in NLP/ML-related algorithms, with comprehensive study and practical experience in specific areas of natural language processing and machine learning. These areas include, but are not limited to: text classification, sequence tagging, dialogue question and answer, knowledge graph/graph modeling, multi-modality modeling, among others.• Preference will be given to candidates familiar with large-scale model training and RL algorithms, and those capable of effectively solving problems in large-scale model training and application.• Demonstrated hands-on abilities, proficiency in at least one framework such as TensorFlow or PyTorch, including its training and deployment specifics. Familiarity with commonly used machine learning and deep learning algorithms, as well as a clear understanding of basic network model structures and text representation methods.• Exceptional coding skills, with proficiency in at least one programming language such as Python, Go, or C++, and a solid foundation in algorithms and data structures.• Strong team player with excellent communication skills. Practical experience in relevant business scenarios is preferred.• Experience with published papers in major conferences or influential open source projects are a huge plus; we would love to hear about your projects!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 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 gprd.accommodations@tiktok.com.Job Information【For Pay Transparency】Compensation Description (annually)The base salary range for this position in the selected city is $194000 - $355000 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.Our company benefits are designed to convey company culture and values, to create an efficient and inspiring work environment, and to support our employees to give their best in both work and life. We offer the following benefits to eligible employees: 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. 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. 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.For Los Angeles County (unincorporated) Candidates:Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and3. Exercising sound judgment.