Senior Machine Learning Scientist (Ad Cloud, RTB)

This senior individual-contributor role focuses on architecting and maintaining high-performance feature pipelines (batch, streaming, point-in-time correct) for Cognitiv's real-time bidding systems. The engineer will own model training pipeline optimization, integrate LLM/deep learning embeddings into the feature store, and establish technical standards for monitoring and CI/CD. Requires 3-5+ years of ML infrastructure experience, proficiency in Python/Java/Scala, and deep expertise in AdTech and big data technologies like Spark, Flink, and Kafka.

This Senior/Staff Applied Machine Learning Scientist role leads the creation and optimization of advanced machine learning algorithms to enhance advertising effectiveness and ROI. The scientist owns the end-to-end development of production-grade ML models, writing efficient, scalable code and collaborating with ML Engineers to deploy algorithms into live systems. Requires 3+ years of industry experience, a Masters or PhD in a quantitative field, and comprehensive understanding of statistics, optimization, and machine learning.

This Senior Data Scientist role at Reddit focuses on improving the advertising platform through data-driven insights and advanced DS methods. The role involves designing and applying data science solutions for advertiser experience, analyzing large-scale datasets, and developing ML models for anomaly detection and prediction. It requires strong statistical modeling, causal inference, and experimentation skills, with experience in large-scale data processing tools like Spark and BigQuery.

This Senior Applied Scientist role on the Research Science team focuses on optimizing Moloco's software systems and ML components. The scientist will analyze massive, high-dimensional datasets from ad auctions and user interactions to uncover insights, define success metrics, and guide modeling decisions. Responsibilities include implementing and evaluating new algorithms, improving system reliability and efficiency, and collaborating with engineering and product teams on experiments and roadmaps.

This Strategic Account Manager role drives revenue retention and growth for high-value advertising clients in Türkiye. The role involves owning 12-month account growth plans, solving complex performance and measurement challenges (e.g., attribution, incrementality, SKAN), and acting as a trusted advisor to client executives. The ideal candidate has deep AdTech/mobile advertising experience, commercial acumen, and fluency in the performance marketing stack.

This part-time operations assistant role supports the Campaign Management team by producing and quality-checking screenshot tickets, tracking intern progress, and managing team administration and automation tasks. The role requires strong organizational skills, Mandarin and English communication, and proficiency in Google Workspace with basic data-handling skills. Familiarity with AI tools and automation is a plus, with a fixed Monday-Friday 14:00-19:00 schedule in Taipei.

This Technical Solution Engineer role at Appier in Seoul focuses on ensuring optimal adoption of Appier's AI-empowered ad solutions for Korean-speaking clients. The engineer will guide clients through onboarding, troubleshoot technical issues, develop internal tools and scripts, and analyze data to provide insights. Requires native Korean and professional English, SQL and JavaScript proficiency, and experience with mobile measurement partners like AppsFlyer or Adjust.