Data Scientist

1 week ago


Singapore TikTok Full time

Data Scientist (LLM & Unsupervised Learning) - Applied AI About TikTok – TikTok is the leading destination for short‑form mobile video. Our mission is to inspire creativity and bring joy worldwide. TikTok’s global headquarters are in Los Angeles and Singapore, with offices across North America, Europe, Asia, Africa, and Australia. Responsibilities Leverage multimodal large language models, natural language processing, machine learning, or computer vision techniques to design and build core product capabilities, extract insights, and optimize monetization strategies. Develop innovative algorithms and build prototypes for business problems using the latest deep learning, machine learning, statistical, and optimization techniques. Use unsupervised learning and clustering algorithms to discover potential patterns and trends from large datasets and propose data‑driven business solutions. Collaborate with product managers and cross‑functional teams to define user stories and success metrics, managing data projects from 0 to 1. Use methods like AB testing to validate the business value and expected revenue of projects and continuously optimize model performance. Work with engineering teams to deploy data models and scale solutions. Minimum Qualifications In‑depth knowledge of computer science and 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 (such as Test‑time Scaling, Chain of Thought, Retrieval‑Augmented Generation, Supervised Fine‑Tuning) to solve business problems. Strong experience with unsupervised learning, clustering algorithms, and extracting data insights, recognizing patterns, and developing 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, and experience with large‑scale datasets. Solid understanding of building data pipelines, model development, testing, and deployment. Experience with CI/CD (e.g., Git) and cloud services (AWS, GCP, Azure) is a plus. Strong English communication skills, with the ability to clearly explain technical and analytical content to both technical and non‑technical teams. A strong intellectual curiosity, excellent problem‑solving and quantitative analysis skills, with the ability to deconstruct issues, identify root causes, and propose solutions. Why Join Us We’re committed to an inclusive culture that fosters curiosity, creativity, and rapid innovation. As a member of our team, you’ll work on cutting‑edge AI products that impact billions of users worldwide. Join us to build the next generation of AI and data science solutions. Diversity & Inclusion TikTok is dedicated to creating an inclusive workspace where employees are valued for their unique perspectives and skills. We celebrate diversity in all its forms and strive to build an environment that reflects the global communities we serve. Trust & Safety We recognize the importance of platform safety and the well‑being of our employees. TikTok provides comprehensive programs that promote physical, mental, and emotional health throughout each employee’s journey. We work collaboratively to ensure a person‑centred, innovative, and integrated approach to well‑being. #J-18808-Ljbffr



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