Algorithm Engineer - Seller & Creator Growth

TikTok 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 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
The E-commerce Global Supply Chain and Logistics team is dedicated to enhancing clients' shopping experience and reducing logistics operational cost in TikTok E-commerce. We are currently looking for talented software engineers that have a deep understanding of machine learning (ML), operations research (OR), data mining and statistical inference.
Responsibilities
- Design and develop machine learning algorithms for various tasks, including but not limited to customer segmentation, scoring, outreach, marketing, characterization, and incentive optimization.
- Support marketplace growth business goal attainment through optimizing outreach based on click through rate estimation, outreach timing selection, target audience selection and causal studies.
- Collaborate with data scientists, analysts, and subject matter experts to define data mining objectives and develop strategies to address complex business problems and opportunities.
- Apply feature engineering techniques to derive relevant features and embeddings from raw data and improve the performance of data mining models.
- Evaluate and benchmark different machine learning approaches, algorithms, and tools, and recommend the most appropriate solutions based on performance, scalability, and interpretability.
- Stay updated with the latest advancements in data mining, machine learning, and related fields, and apply this knowledge to enhance the team's capabilities and identify new opportunities.
- Communicate findings, insights, and technical concepts effectively to both technical and non-technical stakeholders, fostering a collaborative and data-driven decision-making culture.
Qualifications
- Master's or advanced degree in Computer Science, Data Science, Statistics, or a related field.
- 3+ years of experience as a Machine Learning Engineer, Data Scientist, and experience in Deep Learning is preferred
- Work experience in user growth, marketing algorithms, recommendation algorithms, advertisement algorithms or related fields is preferred.
- Proficient in using SQL + Python and experience with data manipulation and analysis libraries, experience with TensorFlow or PyTorch is preferred.
- Experience with big data processing frameworks (e.G., Hadoop, Spark) and distributed computing for efficient data mining on large-scale datasets.
- Solid understanding of machine/deep learning concepts and techniques, including feature engineering, model evaluation, and optimization.
- Strong analytical and problem-solving skills, with a demonstrated ability to handle and derive insights from complex and unstructured datasets.
- Excellent communication and collaboration skills, with the ability to work effectively in cross-functional teams and convey technical concepts to non-technical stakeholders.
- Publications at KDD,NeurIPS,WWW,SIGIR,WSDM,CIKM,ICLR,ICML,IJCAI,AAAI and related conferences.
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.