> Markdown version of [/jobs/ext/1241006-senior-machine-learning-engineer-bidding-science](https://www.wearedevelopers.com/jobs/ext/1241006-senior-machine-learning-engineer-bidding-science). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Machine Learning Engineer, Bidding Science - **Company:** Unity Technologies - **Location:** United States - **Experience:** Expert - **Salary:** $159,600.0 - $239,400.0 - **Contract:** Permanent contract - **Skills:** A/B Testing, Artificial Intelligence, Big Data, BigQuery, Cursor (Graphical User Interface Elements), Distributed Computing Environment, Python (Programming Language), Machine Learning, Software Engineering, Reinforcement Learning, GitHub Copilot, Pytorch, Apache Spark, Deep Learning, Apache Flink - **Published:** July 11, 2026 - **Apply:** https://www.juju.com/job/00000000gfkcx8 ## About the Role + 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 ## Description We are looking for Senior 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. What you'll be doing + 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, _This range reflects the anticipated base salary for this position. Beyond base salary, this role may be eligible for equity awards and participation in our company incentive plans (such as annual discretionary bonuses or sales commissions). The final offer amount will depend on several factors, including geographic location and the candidate's relevant experience, professional background, and skill set._, _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._ _This posting is intended to fill an existing vacancy, and we are committed to providing applicants with updates throughout the hiring process in accordance with applicable law._ _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._ ## Related Videos - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [AI for decision-making in Tech Recruiting](https://www.wearedevelopers.com/videos/1074-ai-for-decision-making-in-tech-recruiting) - [Photonic Computing: Programming a New Class of AI Accelerators (incl. Live Coding)](https://www.wearedevelopers.com/videos/100196-photonic-computing-programming-a-new-class-of-ai-accelerators-incl-live-coding) - [Making Data Warehouses fast. A developer's story.](https://www.wearedevelopers.com/videos/302-making-data-warehouses-fast-a-developer-s-story) - [Data Governance in the Era of AI](https://www.wearedevelopers.com/videos/1622-data-governance-in-the-era-of-ai) ## Related Articles - [What Are Large Language Models?](https://www.wearedevelopers.com/magazine/304-what-are-large-language-models) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [Got AI ideas but no money? Here are 10 free ways to level up your AI skills with Google Cloud](https://www.wearedevelopers.com/magazine/600-got-ai-ideas-but-no-money-here-are-10-free-ways-to-level-up-your-ai-skills-with-google-cloud) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [Dev Digest 137 - AI'm not sure about this](https://www.wearedevelopers.com/magazine/485-dev-digest-137-ai-m-not-sure-about-this) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)