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Staff Machine Learning Engineer, Vector Bidding Science

External
Unity logoUnity · Mountain View, CA
Full-timeOn-site3w ago
PythonExpressMachine LearningPyTorch
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About the role

We are looking for Staff Machine Learning Engineers to join our Vector Bidding Science team. In this role, you will define the technical vision and architect the next generation of scalable real-time bidding systems powered by cutting-edge AI, marketplace intelligence, and advanced optimization frameworks. As a key member of the Vector AI org, you will play a pivotal role in advancing Unity's high-scale ads engine. By harnessing massive datasets and rich signals, you will develop state-of-the-art bidding and pacing algorithms that automatically maximize advertisers' returns.

Responsibilities

  • Design, implement, and optimize core bidding algorithms and auction mechanisms
  • Architect and scale bid landscape forecasting capabilities
  • Analyze large-scale marketplace dynamics to uncover deep insights and deliver algorithmic improvements
  • Drive offline evaluations and online A/B experiments to validate model performance and deliver measurable business impact
  • Collaborate cross-functionally with product, infrastructure, and engineering teams

Requirements

  • Hands-on experience on 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
  • Solid understanding of metric design, online experimentation frameworks (A/B testing), and large-scale data analysis
  • Proven ability to lead projects end-to-end and deliver measurable business impact in an ambiguous technical landscape
  • You might also have
  • 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
  • Additional information
  • Relocation support is not available for this position

Benefits

At Unity, we want our team members to thrive. We offer a wide range of benefits designed to support well-being and work-life balance.Please note: Benefits eligibility, specific offerings, and coverage vary based on the country and employment status.Life at UnityHeadhunters and recruitment agencies may not submit resumes/CVs through this website or directly to managers. Unity does not accept unsolicited headhunter and agency resumes. Unity will not pay fees to any third-party agency or company that does not have a signed agreement with Unity.Your privacy is important to us. Please take a moment to review our Prospect Privacy Policy and Applicant Privacy Policy . Should you have any concerns about your privacThis position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.

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