Unity · 4 days ago
Senior Machine Learning Engineer, Ads Demand Optimization
San Francisco, CA
Full-time
Onsite
Mid, Senior Level
$184K/yr - $249K/yr
3+ years expUnity is a leading platform to create and grow games and interactive experiences. The Senior Machine Learning Engineer will design and implement AI-native demand optimization algorithms and systems, working cross-functionally to enhance delivery efficiency and user experience.
3D TechnologyReal Time
Responsibilities
Architect and implement automated bidding strategies to improve delivery efficiency
Design, prototype, and productionize new bidding algorithms and products, including model training, policy evaluation, and guardrail enforcement
Develop and refine auction mechanisms that balance multiple objectives under constraints
Build exploration frameworks and reinforcement learning strategies for cold-start scenarios (new ads/new games), including contextual bandits, off-policy evaluation, and online learning
Own the full lifecycle: problem framing, data instrumentation, modeling, simulation, experimentation, and deployment with continuous monitoring and iteration
Qualification
Required
Advanced degree (MS or Ph.D.) in Computer Science, Machine Learning, Statistics, or a related field—or equivalent practical experience
Strong foundation in reinforcement learning, contextual bandits, and exploration-exploitation strategies
Strong foundation in auction theory, mechanism design, and multi-objective optimization
Strong foundation in probabilistic modeling, causal inference, and counterfactual evaluation
Strong foundation in online learning, off-policy evaluation, simulation, and A/B testing
Proficiency with Python and common ML libraries (e.g., PyTorch, TensorFlow, JAX); experience with data processing (e.g., Spark, SQL) and experiment platforms
Demonstrated ability to translate business objectives into robust algorithmic solutions and measurable outcomes
3+ years of hands-on experience building and operating large-scale Ads delivery and optimization systems
Benefits
A wide range of benefits designed to support employees' well-being and work-life balance
Company
Unity
Unity [NYSE: U] offers a suite of tools to create, market, and grow games and interactive experiences across all major platforms from mobile, PC, and console, to extended reality.
5001-10000 employees
H1B Sponsorship
Unity has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (53)
2024 (55)
2023 (39)
2022 (81)
2021 (62)
2020 (78)
Funding
Current Stage
Late StageLeadership Team
Scott Pitasky
Chief People Officer
Recent News
EIN Presswire
2025-12-10
2025-11-24
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