Senior Applied Scientist Jobs in USA

OverviewMicrosoft Copilot is driving the next generation of Copilot experiences used by millions of people every day. As a member of the Copilot organization you will define and drive the strategy technical roadmap and execution required to make Copilot the most trusted capable and continuously impr...

OverviewMicrosoft Monetization is building the next generation of AI-powered advertising and commerce experiences across Search Audience Shopping Copilot and emerging agentic surfaces.As conversational agents increasingly become the interface between users and businesses we are reimagining how produ...

OverviewCore Search and AI team (Bing) is looking for people who want to build the next generation of search using advanced AI technologies especially large language models at scale. We are responsible for the largest machine learning models at Microsoft by volume and take pride in being the first i...

At Leidos we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers success. We empower our teams contribute to our communities and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers o...

OverviewWith the rapid acceleration of AI and the need to deliver trustworthy high-performing models Microsofts Enterprise Engineering and AI (EEAI) Data Science and Applied AI team is driving innovation at scale! Our mission is to advance AI capabilities through rigorous evaluations fine-tuning and...

Come join the AWS Agentic AI science team in building the next generation models for intelligent automation.AWS the world-leading provider of cloud services has fostered the creation and growth of countless new businesses and is a positive force for good. Our customers bring problems that will give...

Prime Video is a first-stop entertainment destination offering customers a vast collection of premium programming in one app available across thousands of devices. Prime members can customize their viewing experience and find their favorite movies series documentaries and live sports including Amazo...

The Frontier AI Assets (FAI) team is looking for a passionate talented and inventive Principal Applied Scientist with a strong deep learning and reinforcement learning background to build the training and evaluation assets that advance frontier Generative AI (GenAI) with Large Language Models (LLMs)...

The Measurement Science team in the Measurement Ad Tech and Data Science (MADS) organization of Amazon Ads serves a centralized role developing solutions for a multitude of performance measurement products. We create solutions which measure the comprehensive impact of their ad spend including sales...

We are looking for a Principal Applied Scientist to drive the research and development of real-time multimodal conversational AI. You will operate across two focus areas: advancing foundation models for speech and audio and building the post-training systems (reward modeling reinforcement learning)...

Application deadline: Nov 1 2026Amazon Web Services (AWS) is proud to be the pioneer and widely recognised leader in Cloud Computing. Our web services provide IT infrastructure in-the-cloud that is used by hundreds of thousands of developers and businesses around the world ranging from start-ups to...

Application deadline: Nov 11 2026Amazon Web Services (AWS) is proud to be the pioneer and widely recognised leader in Cloud Computing. Our web services provide IT infrastructure in-the-cloud that is used by hundreds of thousands of developers and businesses around the world ranging from start-ups to...

Job Title: Applied Scientist Machine Learning (MSc. or PhD) Job Type: ContractorLocation: Global Fully RemoteWorking Hours: Approximately 15 hours per weekSchedule: Flexible including weekends Job Summary We are seeking experienced Machine Learning Experts to contribute to an AI training project foc...

Job Title: Applied Scientist Machine Learning (MSc. or PhD) Job Type: ContractorLocation: Global Fully RemoteWorking Hours: Approximately 15 hours per weekSchedule: Flexible including weekends Job Summary We are seeking experienced Machine Learning Experts to contribute to an AI training project foc...

Do you want to build the ML models that power every compliance verdict customers and auditors rely on We are building a new Governance Risk and Compliance (GRC) service at AWS where every action human or agent is recorded assessed and provably governed continuously and at any scale.As an Applied Sci...

To make electronics you need chips wafers transistors reticles and... To make these you must see test and manufacture them at scalefaster and better than ever before. Thats where KLA comes in. Whether youre early in your career or an experienced professional youll solve complex challenges work along...

Were working to improve shopping on Amazon using the conversational capabilities of LLMs and are searching for pioneers who are passionate about technology innovation and customer experience and are ready to make a lasting impact on the industry. Youll be working with talented scientists engineers a...

OverviewThe Microsoft AI Web Data team is seeking an Applied Scientist to help build the next-generation platform for Bing and Microsoft AI.The Microsoft AIX Web Data Platform (WDP) team builds the data foundation that powers Bing and Microsoft AI experiences including large-scale grounding and larg...

The Sponsored Products and Brands (SPB) team at Amazon Ads is re-imagining the advertising landscape through industry leading generative AI technologies revolutionizing how millions of customers discover products and engage with brands across and beyond. We are at the forefront of re-inventing adver...

Application deadline: Nov 1 2026The AWS Data Center Services team is hiring a Principal Applied Scientist to innovate and advance the science behind solutions to problems in the rapidly growing AWS data center space. These problems range from bespoke computer vision models to support our physical in...