Sr. Applied Scientist, Fire TV Science

Company: Amazon.com Services LLC
Location: Cupertino
Posted on: June 28, 2025

Job Description:

Help re-invent how millions of people watch TV! Fire TV remains the 1 best-selling streaming media player in the US, with over 100 million active users. Our goal is to be the global leader in delivering entertainment inside and outside the home, with the broadest selection of content, innovative devices, and personalized experiences for customers. Our team is an interdisciplinary group of scientists working at the intersection of Recommender Systems, Information Retrieval, Machine Learning (ML), and Spoken Language Understanding (SLU). Through close collaboration with engineering and product teams, we develop and deploy innovative algorithms that enhance content discovery and customer engagement on Fire TV. Our work directly contributes to making our devices delightful to use and indispensable for the household. Key job responsibilities - Drive new AI initiatives primarily focused on Search systems, with contributions to Recommendations and SLU, applying Deep Learning, GenAI, and other ML techniques to improve Fire TV user experience - Perform hands-on data analysis and modeling with large data sets to develop insights that increase device usage and customer experience - Design and run A/B experiments, evaluate the impact of your optimizations and communicate your results to various business stakeholders - Work closely with product managers and software engineers to design experiments and implement end-to-end solutions - Setup and monitor alarms to detect anomalous data patterns and perform root cause analyses to explain and address them - Be a member of the Amazon-wide Machine Learning Community, participating in internal and external MeetUps, Hackathons and Conferences - Help attract and recruit technical talent; mentor junior scientists BASIC QUALIFICATIONS - PhD, or Master's degree and 6 years of applied research experience - 3 years of building machine learning models for business application experience - Experience programming in Java, C++, Python or related language - Experience with neural deep learning methods and machine learning PREFERRED QUALIFICATIONS - PhD in engineering, technology, computer science, machine learning, robotics, operations research, statistics, mathematics or equivalent quantitative field - Experience with modeling tools such as R, scikit-learn, Spark MLLib, MxNet, Tensorflow, numpy, scipy etc. - Experience with large scale distributed systems such as Hadoop, Spark etc. - Experience with Deep Learning for search and recommendation systems - Experience with NLP and LLM algorithms and tools a plus - Experience performing and interpreting A/B experiments - Excellent verbal/written communication skills, including an ability to effectively collaborate with research and technical teams 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 https://amazon.jobs/content/en/how-we-hire/accommodations 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 $150,400/year in our lowest geographic market up to $260,000/year in our highest geographic market. Pay is based on a number of factors including market location and may vary depending on job-related knowledge, skills, and experience. Amazon is a total compensation company. Dependent 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 https://www.aboutamazon.com/workplace/employee-benefits . This position will remain posted until filled. Applicants should apply via our internal or external career site.

Keywords: Amazon.com Services LLC, Fairfield , Sr. Applied Scientist, Fire TV Science, Engineering , Cupertino, California