Sigma Software

88 live roles · software development

Ready to shape intelligent decision-making at the scale of hundreds of millions of auction requests daily? We are looking for a Senior Machine Learning Engineer to join a dedicated Sigma Software team building advanced predictive systems for the programmatic advertising ecosystem. In this role, you will work on production-grade machine learning models, real-time optimization pipelines, and scalable infrastructure powering a live ad exchange platform. The position is fully remote with flexible collaboration opportunities across distributed teams. We at Sigma Software value engineering ownership, technical excellence, and long-term partnerships. This project offers the opportunity to work on complex ML challenges with measurable business impact while contributing to a modern, high-load AdTech platform.