Applied Scientist II, Alexa International Team

About the role

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

• Analyze, understand, and model customer behavior and the customer experience based on large-scale data.
• Build 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.

Pay

USA, WA, Bellevue - 142,800.00 - 193,200.00 USD annually. 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.

Benefits

• Health insurance including 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.
• Parental leave.

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