Machine Learning Engineer Intern (3-month Internship)

Moloco is seeking exceptional Machine Learning intern to join us in building a state-of-the-art machine learning system. MOLOCO's programmatic advertising engine is powered by custom deep neural network models that handle 1M+ QPS at 7 ms prediction latencies. This is a full-time internship running from January 2027 to April 2027, based in Seoul.

Responsibilities

Conduct experiments on state-of-the-art machine learning models for real-world, large-scale problems, including model architecture design, feature engineering, and performance optimization; Enhance the infrastructure that powers large-scale ML experimentation, training, and serving, including TPU/GPU-based model training, microservices for ML inference, scalable data pipelines (Spark / Apache Beam), and systems for ML data validation and monitoring

Requirements

Major in Computer Science, Statistics or related fields; Strong mathematical skills in probability, statistics, and machine learning; Strong algorithms and data structure skills; Fluent with at least one programming language including Python, Java, and Golang; Fluent in speaking and writing both Korean and English; Candidates with two or fewer semesters remaining before graduation as of the internship start date, as well as recent graduates