Senior Machine Learning Engineer (AdTech)
Core
Build and validate predictive models for programmatic advertising, including censored bid-landscape modeling, conversion propensity prediction, and offline evaluation frameworks.
Role type
Senior Machine Learning Engineer (AdTech)
Builds
Production-grade predictive systems for a live ad exchange platform
Domain
Programmatic advertising, real-time marketplace systems (via careerplan.io/jobs/744000152872143-senior-machine-learning-engineer-adtech-at-sigma-software)
Deliverable
production ML models
Required skills
Gradient-boosted trees (XGBoost, LightGBM, CatBoost), Python, SQL, ML orchestration, Kubernetes, Docker, statistical evaluation
Preferred skills
AdTech/RTB experience, contextual bandits, multi-tenant ML systems, GCP services (Vertex AI, BigQuery), Terraform
Technologies
Python, SQL, XGBoost, LightGBM, CatBoost, Kubernetes, Docker, GCP, MLflow, Kubeflow, Airflow, Argo, Terraform
Responsibilities
Build and validate predictive models, design offline evaluation frameworks, develop training orchestration pipelines, monitor feature and prediction drift, run shadow deployments and experiments, ensure reproducibility, prepare technical documentation
Seniority
Senior, hands-on IC
