Staff Machine Learning Engineer, Vector Bidding Science

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Requisition ID: JOBREQ-2616034

Staff Machine Learning Engineer, Vector Bidding Science

Mountain View, CA, USA, Full-time

• Unity Careers
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• Description

ALERT: Unity has received reports of scams where individuals purporting to be Unity HR representatives conduct bogus employment interviews via email or text, and then request payment as a condition for receiving an offer of employment. Please be aware that Unity does not conduct interviews by email or text, and will never request payment as a condition for applying for a position or receiving an offer of employment. These scam operators may also ask for your personal information (name, address, birthdate, social security number, etc.) which you should not provide to them. If you have been a target of such a scam, you should report it by contacting the U.S. Federal Trade Commission (see this FTC posting for further details) the office of your state Attorney General, or the government agency responsible for investigating matters such as this where you reside this FTC posting for further details) the office of your state Attorney General, or the government agency responsible for investigating matters such as this where you reside.nn

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• The opportunity
• What you'll be doing
• What we're looking for
• You might also have
• Additional information
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• Apply

The opportunity

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.n

As a key member of the Vector AI org, you will play a pivotal role in advancing Unityxe2x80x99s 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 advertisersxe2x80x99 returns.

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What you''ll be doing

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

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What we''re looking for

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• Hands-on experience on state-of-the-art machine learning, reinforcement learning, and control theory to complex, real-world bidding or pricing problems n
• Strong software engineering skills in Python and experience with deep learning frameworks, preferably PyTorch n
• Solid understanding of metric design, online experimentation frameworks (A/B testing), and large-scale data analysis n
• Proven ability to lead projects end-to-end and deliver measurable business impact in an ambiguous technical landscape n

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You might also have

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• Experience working with large datasets and distributed computing frameworks (e.g., Spark, Ray, BigQuery, Flink) n
• Experience building real-time ad systems, specifically in DSP (Demand-Side Platform) bidding logic, survival analysis for market price estimation, or game-theoretic modeling n
• Experience leveraging AI tools (such as Claude Code, GitHub Copilot, and Cursor) to accelerate development n

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Additional information

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• Relocation support is not available for this position n

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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.n

Please note: Benefits eligibility, specific offerings, and coverage vary based on the country and employment status.

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While specific benefits vary, here are some of the ways we strive to take care of our eligible team members globally: 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

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Life at Unity

Unity [NYSE: U] is the worldxe2x80x99s leading game engine, powering play for more than 3 billion consumers each month. The top mobile games in the world, the most played PC indie titles, the most innovative console games, and virtually all of the top XR and Web Games are developed, deployed, and grown in Unity. Unity also enables teams across industries like automotive, manufacturing, and healthcare to design, simulate, and collaborate in 3D xe2x80x94 closing the gap between ideas and reality. For more information, please visit www.unity.com.n

Unity is a proud equal opportunity employer. We are committed to fostering an inclusive, innovative environment and celebrate our employees across age, race, color, ancestry, national origin, religion, disability, sex, gender identity or expression, sexual orientation, or any other protected status in accordance with applicable law. Our differences are strengths that enable us to support the growing and evolving needs of our customers, partners, and collaborators. If you have a disability that means there are preparations or accommodations we can make to help ensure you have a comfortable and positive interview experience, please fill out this form to let us know.

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This 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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Headhunters 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.

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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 privacy, please contact us at DPO@unity.com.

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#SEN #LI-AR1

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• Note: Certain locations require a good faith disclosure of the base salary range for the role. The actual salary for the successful candidate may differ based on location, experience, and other job-related factors.

nGross pay salary$172,200xe2x80x94$300,300 USD

Apply

Location: Mountain View, CA, USADepartment: AI & Machine LearningType: Full-timeRequisition ID: JOBREQ-2616034

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