This list contains only the countries for which job offers have been published in the selected language (e.g., in the French version, only job offers written in French are displayed, and in the English version, only those in English).
The Ads Machine Learning team at Uber is responsible for designing, building, and evolving the core ML systems that powers ads selection, ranking, pricing, and delivery across the Uber ecosystem. We develop a deep understanding of user intent and merchant objectives to produce high quality ML signals that drive large scale auction based decision making. These systems operate under strict latency, reliability, and fairness constraints while serving billions of predictions that directly impact user experience, advertiser performance, and revenue outcomes. As a Staff Machine Learning Engineer, you will play a central role in defining and executing the Ads ML technical roadmap. You will lead the design of next generation recommendation and auction architectures, enable step function improvements in model quality and serving efficiency, and raise the bar on observability and reliability of online ML systems. This role requires end to end ownership across modeling, training, online inference, and system integration, as well as close collaboration with product, infrastructure, and platform teams. Delivering robust, scalable, and measurable ad recommendations is critical to Uber’s rapidly growing Ads business, making this a highly visible and high impact role.
Job Responsibility:
Lead the design and evolution of machine learning models that power ads ranking, pricing, and auction systems at scale
Own end to end ML systems, including training pipelines, feature infrastructure, and low latency online inference for real time and batch use cases
Apply advanced statistical and ML techniques to improve ads relevance, marketplace efficiency, and advertiser outcomes
Define experimentation strategies, success metrics, and evaluation frameworks, and drive iteration through rigorous offline and online testing
Establish model and system observability through metrics, dashboards, and reliability best practices
Translate ambiguous product goals into durable ML architectures in close partnership with Product and Engineering
Provide technical leadership through mentorship, design reviews, and raising engineering standards across the Ads ML org
Stay current on advances in machine learning and ads auction systems, and drive adoption where they deliver clear impact
Requirements:
Bachelor’s degree or equivalent experience in Computer Science, Computer Engineering, Data Science, Machine Learning, Statistics, or a related quantitative field
Demonstrated ownership of designing, deploying, and evolving large scale machine learning systems powering ads ranking, auction, or pricing in production environments
Strong proficiency in Python for building production ML systems and defining model, feature, and training abstractions used across teams
Deep understanding of SQL with experience driving production decision making, data validation, and system level analysis
Strong grasp of big data and distributed system architectures, with experience designing data platforms and ETL pipelines that support Ads ML workloads
Hands on experience building and operating batch data pipelines using Spark or comparable distributed compute frameworks, with accountability for data quality and correctness
Proven expertise in experimentation and evaluation, including A/B testing and offline metrics for ads auctions, ranking quality, and marketplace outcomes
Experience defining and operationalizing model and serving level metrics, and building observability for reliable online ML inference systems
Experience owning or influencing online model serving, including latency aware inference, scalability, and reliability considerations
Strong grounding in statistical methods, with the ability to reason about bias, uncertainty, and tradeoffs in ads and marketplace systems
Demonstrated ability to influence product and technical direction by synthesizing complex modeling insights into clear recommendations
Ability to operate independently in ambiguous problem spaces, set technical direction, and drive alignment across ML, product, and platform teams
Strong communication skills across technical and executive audiences, with a consistent track record of mentorship and feedback
Nice to have:
7 or more years of industry experience as a Machine Learning Engineer or equivalent, with demonstrated impact at Staff or equivalent scope
Proven experience leading large, ambiguous technical initiatives and setting direction across teams in fast moving, cross functional environments
Experience designing, scaling, and operating production ML systems end to end, including training, deployment, and online inference
Hands on experience with online model serving and inference optimization, including latency aware systems, GPU based serving, or platforms such as Triton
Direct experience building or evolving ads auction systems, including ranking, pricing, calibration, or marketplace tradeoffs
Experience applying state of the art deep learning architectures for large scale recommendation or ranking systems, including modern GenRec patterns
Advanced degree (M.S. or Ph.D.) in Machine Learning, Data Science, or a related field is a plus