Senior Machine Learning Scientist (Ad Cloud)

Appier is seeking a Senior Machine Learning Scientist to improve campaign outcomes by designing, implementing, and productionizing state-of-the-art ML models, analyzing large-scale user and auction data, and collaborating cross-functionally with engineering, product, and data teams.

Requirements

• Bachelor’s degree in Computer Science, Mathematics, EE, or related field; Master’s or PhD preferred.
• 4+ years of industry experience in ad tech, with a focus on performance optimization.
• Proven experience in applied machine learning, especially in CTR prediction, recommendation systems.
• Proficiency in Python and experience with modern ML frameworks (PyTorch, TensorFlow, etc.).
• Strong ownership and collaboration skills—able to lead end-to-end projects across product, data, and engineering.