Senior Machine Learning Engineer, Vector Bidding Science

Unity

Senior Machine Learning Engineer architecting scalable, AI-powered bidding systems for Unity's ads platform. Collaborating cross-functionally to enhance high-scale bidding algorithms.

Posted 5/22/2026full-timeRemote • Washington • 🇺🇸 United StatesSenior💰 $148,700 - $229,900 per yearWebsite

Tech Stack

Tools & technologies

PythonPyTorch

About the role

Key responsibilities & impact

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

What you’ll need

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

Benefits

Comp & perks

Comprehensive health, life, and disability insurance
Commute subsidy
Employee stock ownership
Competitive retirement/pension plans
Generous vacation and personal days
Support for new parents through leave and family-care programs
Office food snacks
Mental Health and Wellbeing programs and support
Employee Resource Groups
Global Employee Assistance Program
Training and development programs
Volunteering and donation matching program

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

machine learningreinforcement learningcontrol theoryPythondeep learningPyTorchmetric designA/B testinglarge-scale data analysisalgorithm optimization

Soft Skills

collaborationleadershipproject managementproblem-solvingcommunication