Applied Scientist II, Alexa International Team

Description

Alexa International is looking for a passionate, talented, and inventive Applied Scientist to help build industry-leading technology with Large Language Models (LLMs) and multimodal systems, requiring strong deep learning and generative models knowledge. You will contribute to developing novel solutions and deliver high-quality results that impact Alexa's international products and services.

Key job responsibilities

• Work with talented peers to develop novel algorithms and modeling techniques to advance the state of the art with LLMs.
• Contribute to the development of novel online & offline evaluation metrics and methodologies for multimodal personal digital assistants.
• Fine-tune/post-train LLMs using techniques like SFT, DPO, RLHF, and RLAIF.
• Set up experimentation frameworks for agile model analysis and A/B testing.
• Collaborate with partner teams on LLM evaluation frameworks and post-training methodologies.
• Contribute to end-to-end delivery of solutions from research to production, including reusable science components.
• Communicate solutions clearly to partners and stakeholders.
• Contribute to the scientific community through publications and community engagement.

Basic Qualifications

• PhD, or Master's degree and 4+ years of CS, CE, ML or related field experience
• Experience in patents or publications at top-tier peer-reviewed conferences or journals
• Experience programming in Java, C++, Python or related language
• Experience in any of the following areas: algorithms and data structures, parsing, numerical optimization, data mining, parallel and distributed computing, high-performance computing

Preferred Qualifications

• Experience in professional software development
• PhD

Company Information

Alexa International is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. 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 here for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location.

Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at here.