Deskripsi Pekerjaan
Are you passionate about building trustworthy e-commerce ecosystems? TikTok is looking for an experienced Machine Learning Engineer to join our E-Commerce Risk Control (ECRC) team in Singapore. As part of this mission-critical team, you will play a pivotal role in protecting our global users and merchants by identifying and mitigating inauthentic behaviors across TikTok Shop and related platforms.
You will leverage state-of-the-art machine learning algorithms to process high-velocity data, build robust fraud detection models, and ensure a seamless, safe shopping experience. This is a unique opportunity to work at the intersection of large-scale systems and AI, driving innovation in one of the world's fastest-growing e-commerce environments.
Tanggung Jawab
- Design, develop, and deploy scalable machine learning models to detect inauthentic behavior, fraud, and policy violations.
- Collaborate with cross-functional teams (Product, Data Science, and Engineering) to identify risk vectors and define technical solutions.
- Optimize model performance for high-concurrency environments, ensuring low-latency inference.
- Engineer complex features from large-scale structured and unstructured datasets to improve model accuracy.
- Conduct deep-dive data analysis to understand attacker patterns and evolving threats in e-commerce.
- Maintain and monitor the lifecycle of ML models, from data pipeline integration to production deployment and A/B testing.
- Contribute to the architecture of our real-time risk control systems, ensuring high availability and reliability.
Kualifikasi
- Master’s or PhD degree in Computer Science, Statistics, Mathematics, or a related quantitative field.
- 3+ years of professional experience in machine learning, specifically in fraud detection, recommendation systems, or classification tasks.
- Proficiency in Python and deep learning frameworks such as PyTorch or TensorFlow.
- Strong expertise in big data technologies including Spark, Flink, or Hive.
- Solid understanding of data structures, algorithms, and system design.
- Excellent communication skills with the ability to explain complex technical concepts to non-technical stakeholders.
- Experience in the e-commerce or digital platform security domain is a significant advantage.