Machine Learning Engineer - Personalization

Overview

Machine Learning Engineer - Personalization at Amazon Prime Video. Prime Video is a destination for premium programming across devices. As a Prime Video technologist, you’ll have end-to-end ownership of product, user experience, design, and technology to deliver state-of-the-art experiences. You’ll work on fast-paced, challenging projects, experiment with new possibilities, take risks, and collaborate with remarkable people. We seek diverse perspectives, ideas, and skill-sets to improve Prime Video for customers, with global opportunities for technologists.

Key responsibilities

• Develop ML models for various recommendation & search systems using deep learning, online learning, and optimization methods
• Collaborate with scientists, engineers, and product managers to expand product insights with data, and design experiments to identify high-impact projects for roadmaps
• Stay up-to-date with advancements and the latest modeling techniques in the field
• Publish research findings in top conferences and journals

A day in the life

Work with advanced approaches such as foundation models to connect information about videos and customers from multiple sources, acquiring and processing large-scale data. Build highly scalable page personalization solutions to improve recommendations, including addressing cold-start scenarios and uncovering niche user interests. You will lead as a research and hands-on ML practitioner, guiding teams of engineers and scientists and collaborating with senior leaders in Prime Video. There will be opportunities to publish research internally and externally.

Basic Qualifications

• 3+ years of building models for business applications
• PhD, or Master's degree with 4+ years of CS, CE, ML or related field experience
• Experience programming in Java, C++, Python or related language
• Experience in algorithms and data structures, parsing, numerical optimization, data mining, parallel and distributed computing, or high-performance computing

Preferred Qualifications

• Experience using Unix/Linux
• Experience in professional software development

Additional Information

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Los Angeles County applicants: Job duties for this position include: work safely and cooperatively with other employees, supervisors, and staff; adhere to standards of excellence despite stressful conditions; communicate effectively and respectfully with employees, supervisors, and staff to ensure exceptional customer service; and follow all federal, state, and local laws and Company policies. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness and professionalism, and safeguard business operations and the Company’s reputation. Pursuant to the Los Angeles County Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

Our compensation reflects the cost of labor across several US geographic markets. The base pay for this position ranges from $136,000/year in our lowest geographic market up to $223,400/year in our highest geographic market. Pay is based on market location and job-related knowledge, skills, and experience. Amazon is a total compensation company. Depending on the position offered, equity, sign-on payments, and other forms of compensation may be provided as part of a total compensation package, in addition to a full range of medical, financial, and/or other benefits. For more information, please visit This position will remain posted until filled.

Location: ES, Community of Madrid, Madrid

Posted: October 3, 2024 (Updated 3 months ago)

Posted: August 18, 2025 (Updated 25 days ago)

Posted: November 7, 2024 (Updated 1 day ago)

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

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