Bidding Developer Jobs

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Today

Senior Machine Learning Engineer, Vector Bidding Science

Unity Technologies SF Mountain View, CA

Mountain View, CA

Today

$149k - $245k/yr Full time Ad Tech Artificial Intelligence Bidding

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Job Description

Lead Unity’s Vector Bidding Science work by defining technical direction and building scalable AI-powered bidding and pacing systems for real-time ad auctions.

Responsibilities

Design, implement, and optimize core bidding algorithms and auction mechanisms
Architect and scale bid landscape forecasting capabilities
Analyze large-scale marketplace dynamics to extract insights and drive algorithmic improvements
Validate models through offline evaluations and online A/B testing to prove measurable business impact
Collaborate cross-functionally with product, infrastructure, and engineering teams

Requirements

Hands-on experience with state-of-the-art machine learning, including reinforcement learning and control theory, applied to real-world bidding or pricing problems
Strong software engineering skills in Python; experience with deep learning frameworks, preferably PyTorch
Strong 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 environment

Technologies

Python
PyTorch
A/B testing
Spark
Ray
BigQuery
Flink

Benefits

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

You Might Also Have

Experience working with large datasets and distributed computing frameworks such as Spark, Ray, BigQuery, or Flink
Experience building real-time ad systems, including DSP bidding logic, survival analysis for market price estimation, or game-theoretic modeling
Experience using AI tools (such as Claude Code, GitHub Copilot, and Cursor) to accelerate development

Compensation and Location

Location: Mountain View, CA (onsite)
Salary (base): USD 148,700 - 244,600 per year
Zone A: $188,200 - $244,600 USD
Zone B: $167,200 - $217,300 USD
Zone C: $148,700 - $193,300 USD
Range reflects anticipated base salary; role may also be eligible for equity awards and participation in company incentive plans (such as annual discretionary bonuses or sales commissions)
Final offer depends on geographic location and the candidate’s relevant experience, professional background, and skill set

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