Applied Scientist II, Alexa Sensitive Content Intelligence (ASCI)

Amazon • Bellevue, WA

2d

About The Position

Alexa+ is Amazon’s next-generation, AI-powered virtual assistant. Building on
the original Alexa, it uses generative AI to deliver a more conversational,
personalized, and effective experience. As an Applied Scientist II on the Alexa
Sensitive Content Intelligence (ASCI) team, you'll be part of an elite group
developing industry-leading technologies in attribute extraction and sensitive
content detection that work seamlessly across all languages and countries.

In this role, you'll join a team of exceptional scientists pushing the
boundaries of Natural Language Processing. Working in our dynamic, fast-paced
environment, you'll develop novel algorithms and modeling techniques that
advance the state of the art in NLP. Your innovations will directly shape how
millions of customers interact with Amazon Echo, Echo Dot, Echo Show, and Fire
TV devices every day.

What makes this role exciting is the unique blend of scientific innovation and
real-world impact. You'll be at the intersection of theoretical research and
practical application, working alongside talented engineers and product managers
to transform breakthrough ideas into customer-facing experiences. Your work will
be crucial in ensuring Alexa remains at the forefront of AI technology while
maintaining the highest standards of trust and safety.

We're looking for a passionate innovator who combines strong technical expertise
with creative problem-solving skills. Your deep understanding of NLP models
(including LSTM and transformer-based architectures) will be essential in
tackling complex challenges and identifying novel solutions. You'll leverage
your exceptional technical knowledge, strong Computer Science fundamentals, and
experience with large-scale distributed systems to create reliable, scalable,
and high-performance products that delight our customers.

Requirements

• 3+ years of building models for business application experience
• 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

Nice To Haves

• Experience building machine learning models or developing algorithms for business application
• Experience in solving business problems through machine learning, data mining and statistical algorithms

Responsibilities

• In this dynamic role, you'll design and implement GenAI solutions that define the future of AI interaction.
• You'll pioneer novel algorithms, conduct ground breaking experiments, and optimize user experiences through innovative approaches to sensitive content detection and mitigation.
• Working alongside exceptional engineers and scientists, you'll transform theoretical breakthroughs into practical, scalable solutions that strengthen user trust in Alexa globally.
• You'll also have the opportunity to mentor rising talent, contributing to Amazon's culture of scientific excellence while helping build high-performing teams that deliver swift, impactful results.

Benefits

• 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
• parental leave

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: Ph.D. or professional degree