Senior Machine Learning Engineer (Vector Bidding Science)

Join Unity's Vector Bidding Science team as a Senior Machine Learning Engineer. In this role, you will define the technical vision and architect the next generation of scalable real-time bidding systems powered by AI and advanced optimization frameworks. You will develop state-of-the-art bidding and pacing algorithms, analyze marketplace dynamics, and collaborate with cross-functional teams. Enjoy comprehensive benefits, including health insurance, employee stock ownership, generous vacation days, and more.

• Definir la visión técnica y arquitectar la próxima generación de sistemas de licitación en tiempo real escalables impulsados por IA.
• Desarrollar algoritmos de licitación y ritmo de vanguardia que maximicen automáticamente los retornos de los anunciantes.
• Colaborar de manera transversal con equipos de producto, infraestructura y ingeniería para impulsar mejoras algorítmicas.

• Proven ability to lead projects end-to-end and deliver measurable business impact in an ambiguous technical landscape
• Solid understanding of metric design, online experimentation frameworks (A/B testing), and large-scale data analysis
• Hands-on experience in state-of-the-art machine learning, reinforcement learning, and control theory to complex, real-world bidding or pricing problems
• Strong software engineering skills in Python and experience with deep learning frameworks, preferably PyTorch
• Experience working with large datasets and distributed computing frameworks (e.g., Spark, Ray, BigQuery, Flink)
• Experience building real-time ad systems, specifically in DSP (Demand-Side Platform) bidding logic, survival analysis for market price estimation, or game-theoretic modeling
• Experience leveraging AI tools (such as Claude Code, GitHub Copilot, and Cursor) to accelerate development