Data Scientist - LLM (Canada)

Responsibilities
TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikToks global headquarters are in Los Angeles and Singapore, and its offices include New York, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us
Creation is the core of TikToks 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. Thats how we drive impact - for ourselves, our company, and the communities we serve.
Join us.

About the Team
Our Data Science team is a diverse group of problem solvers, located in Singapore, China, Canada and US, who are passionate about translating complex data into clear, actionable insights. By pioneering state-of-the-art data science techniques and fostering a culture of data-driven decision-making, we aim to unlock unprecedented growth opportunities and operational excellence. We are responsible for developing innovative methods, models and algorithms to ensure the supply of high-quality and diverse data for both SFT and Pretraining of LLM/VLM.

Responsibilities

• Design and develop data collection pipelines to gather and preprocess diverse datasets from various sources.
• Design and develop data processing pipelines, including data labeling, data filtering, data cleaning, data visualization, data auditing, etc.
• Implement machine learning models to improve the quality and diversity of data.
• Develop machine learning models and algorithms to detect the issues of the current moderation system and also the TikTok ecosystem.

Qualifications
Minimum Qualifications

• Major in computer science, or any other related technical discipline;
• Strong proficiency in building large-scale data processing pipelines, familiar with distributed workload (e.g., multiprocessing).
• Proficiency in at least one programming language commonly used in machine learning, such as Python and ability to write clean, maintainable code.
• Proficiency in at least one deep learning framework, such as PyTorch.
• At least 3 years of experience in at least one of the following areas: machine learning, pattern recognition, NLP, data mining, multimodality, LLM.

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 https://shorturl.at/cdpT2
Job Information
The base salary range for this position in the selected city is CAD$ 97920- CAD$ 157600 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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The compensation for this position is based on a monthly compensation structure. The range specified is the expected annual compensation for a person in this position.

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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:

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We cover 100% premium coverage for employee and dependents extended health care insurance. As well as Short/Long term Disability, Basic Life, Survivor Benefit and AD&D insurance plans.

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Our time off and leave plans are: 11 paid holidays per year plus 19 days of vacation (prorated upon hire and increased by tenure) and 7 paid sick days per year as well as 13 weeks of supplemental paid maternity leave top-up and 10 weeks of Supplemental Paid Parental Leave top-up.

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We also provide generous benefits such as RRSP company match, EAP, gym and cell phone service reimbursements. The Company reserves the right to modify or change these benefits programs at any time, with or without notice.