Responsibilities

TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. U.S. Data Security ("USDS") is a subsidiary 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 U.S. user data, 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 across Trust & Safety, Security & Privacy, Engineering, User & Product Ops, Corporate Functions and more.

Why Join Us
Creation 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.

About the team
TikTok is building a global e-commerce platform that connects millions of users with their favorite brands and products. Our Supply Chain and Logistics team plays a critical role in ensuring smooth operations and customer satisfaction. The team is dedicated to enhancing the shopping experience and reducing operational costs in the supply chain and logistics ecosystem by developing end-to-end algorithm capabilities using machine learning, operations research, data mining, and causal inference methods.

The Supply Chain and Logistics team is hiring across multiple sub-teams:
Logistics
- Responsible for predicting order fulfillment promises and delivery ETA, ensuring accurate and timely delivery to customers.
- Develop and implement package status tracking systems with proactive alerts to enhance customer experience.
- Utilize anomaly detection techniques to identify and address irregularities in the package delivery process.
- Optimize the order fulfillment network for efficiency and cost-effectiveness.

Supply Chain
- Drive product demand forecasting predictions to facilitate strategic decision-making.
- Contribute to product growth strategies, including recommendations for expansion and market penetration.
- Inform product pricing and promotion decisions based on market analysis and consumer behavior.
- Develop and implement effective inventory replenishment and allocation strategies.

Marketplace Growth:
- Lead efforts in merchant and creator acquisition, fostering the growth of the platform.
- Implement incubation programs and incentives to support the development of merchants and creators.
- Utilize data-driven approaches for effective merchant and creator matching, enhancing collaboration and content creation.

CV/NLP (Computer Vision/Natural Language Processing)
- Specialize in video understanding, leveraging CV techniques to extract meaningful insights from visual content.
- Contribute to the development of AIGC models for comprehensive data analysis.
- Work on multi-modality models, combining various data sources for a holistic understanding of information.
- Apply advanced NLP techniques to enhance the processing and understanding of natural language data within the team's projects.
You will be considered by all teams when you apply.

As a Machine Learning Engineer, you will contribute to the development and implementation of cutting-edge machine learning models and algorithms to optimize inventory management, supply chain efficiency, marketplace growth, or CV/NLP (depending on the team).

Responsibilities:
- Streamline Data Workflows. Build scalable data pipelines for automated preprocessing, model training, and prediction. Conduct data processing and exploratory analysis for large-scale datasets.
- Innovative Machine Learning Solutions. Design, develop, and optimize advanced machine learning algorithms for diverse tasks. Monitor model performance, identify anomalies, and proactively address potential issues.
- Cross Functional Collaborations. Collaborate with data scientists, analysts, and subject matter experts to define objectives and develop strategies for complex business challenges. Collaborate with software engineers to integrate machine learning models into production systems. Communicate findings, insights, and technical concepts adeptly to both technical and non-technical stakeholders.
- Continuous Learning. Stay abreast of the latest advancements in data mining, machine learning, and related fields. Apply emerging knowledge to enhance team capabilities and identify new opportunities.

Qualifications

- Hold a Master's or advanced degree in Computer Science, Data Science, Statistics, Operations Research or a related field.
- Possess 2+ years of experience as a Machine Learning Engineer or Data Scientist. Prior experience in Deep Learning is preferred.
- Proficient in using SQL and Python, with expertise in data manipulation and analysis libraries. Preferred experience with PyTorch, demonstrating a strong foundation in machine learning frameworks.
- Familiarity with big data processing frameworks such as Hadoop and Spark. Demonstrated experience in distributed computing for efficient data mining on large-scale datasets.
- Possess a solid understanding of machine/deep learning concepts and techniques, including feature engineering, model evaluation, and optimization.
- Exhibit strong analytical and problem-solving skills, showcasing the ability to derive insights from complex and unstructured datasets.
- Excellent communication and collaboration skills. Proven ability to work effectively in cross-functional teams and articulate technical concepts to non-technical stakeholders.

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 usds.accommodations@tiktokusds.com

This role requires the ability to work with and support systems designed to protect sensitive data and information. As such, this role will be subject to strict national security-related screening.