Responsibilities
About the Role We are looking for an experienced AI/ML technical expert to join our team, focused on the application of multimodal LLMs, unsupervised learning, and clustering algorithms. The ideal candidate will work closely with product, operations, and engineering teams to apply advanced natural language processing, computer vision, and deep learning technologies to solve business challenges and extract actionable insights. The success of TikTok's data-driven business model relies heavily on the continuous supply of high-quality labeled data, which will grow exponentially as our business scales. However, the current cost of data labeling remains a significant challenge. To address this, the Data Solutions team is designed to understand and process data at scale for all TikTok business needs. Our team uses both quantitative and qualitative data to uncover insights and turn these findings into real products that power TikTok’s exponential growth. Our responsibilities span infrastructure development, content understanding capabilities, and global labeling delivery management. Responsibilities - Apply multimodal large language models, natural language processing, and computer vision techniques to design and develop data products, extract insights, and optimize business strategies. - Develop cutting-edge algorithms and prototypes to solve business problems using the latest advancements in deep learning, machine learning, statistics, and optimization. - Leverage unsupervised learning and clustering algorithms to identify patterns, trends, and opportunities from large datasets, proposing data-driven business solutions. - Collaborate with product managers and cross-functional teams to define user stories, success metrics, and manage data projects from ideation to implementation. - Partner with engineering teams to deploy and scale data models, ensuring smooth integration and performance.
Qualifications
Minimum Qualifications - Strong background in computer science and a deep understanding of the mathematical fundamentals of statistics, machine learning, and analytics. - At least 3 years of experience in software development or model/data development, with hands-on experience in applying LLM technologies (e.g., Agent-based LLM, Prompt Tuning, Chain of Thought, Retrieval Augmented Generation, Supervised Fine-Tuning, RLHF) to solve complex business problems. - Solid experience with unsupervised learning, clustering algorithms, and the ability to extract insights from large datasets, recognize patterns, and develop data models. - Proficiency in Python and SQL, with experience in ML/DL frameworks like TensorFlow and PyTorch. Preferred Qualifications - Expertise in SQL, Hive, Presto, or Spark, with experience handling large-scale datasets. - A strong understanding of building data pipelines, model development, testing, and deployment. - Experience in labeling data products and working with multimodal content labels is a plus. - Strong communication skills in English, with the ability to clearly convey technical concepts to both technical and non-technical stakeholders. - Intellectual curiosity, strong problem-solving abilities, and excellent quantitative analysis skills with the capacity to deconstruct problems, identify root causes, and propose actionable solutions.
Job Information
【For Pay Transparency】Compensation Description (Annually)
The base salary range for this position in the selected city is $114000 - $240000 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 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; and
3. Exercising sound judgment.
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.
Trust & Safety
TikTok recognises that keeping our platform safe for the TikTok communities is no ordinary job which can be both rewarding and psychologically demanding and emotionally taxing for some. This is why we are sharing the potential hazards, risks and implications in this unique line of work from the start, so our candidates are well informed before joining.
We are committed to the wellbeing of all our employees and promise to provide comprehensive and evidence-based programs, to promote and support physical and mental wellbeing throughout each employee's journey with us. We believe that wellbeing is a relationship and that everyone has a part to play, so we work in collaboration and consultation with our employees and across our functions in order to ensure a truly person-centred, innovative and integrated approach.
TikTok Accommodation
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 https://tinyurl.com/RA-request
