Applied Scientist II, Alexa International Tech
Technology, Data & Digital · Data, AI & Analytics · Data Science · Machine Learning · Artificial Intelligence
In short
Alexa International seeks an Applied Scientist II in Bengaluru, Karnataka, to develop cutting-edge technology using Large Language Models (LLMs), ASR, TTS, and Speech to Speech models. This role requires strong knowledge of deep learning and generative models, with opportunities to impact international customers and contribute to scientific publications.
Responsibilities
- Develop novel algorithms and modeling techniques for LLMs, ASR, TTS, and Speech-to-Speech models.
- Analyze and model customer behavior and experience using large-scale data.
- Build online & offline evaluation metrics and methodologies for multimodal personal digital assistants.
- Drive research in ASR, TTS, and Speech-to-Speech model training and fine-tuning.
- Advance multilingual speech recognition and synthesis using LLM-based architectures.
- Fine-tune/post-train LLMs using techniques like SFT, DPO, RLHF, and RLAIF.
- Collaborate with partner teams on evaluation frameworks and post-training methodologies.
- Communicate solutions clearly to partners and stakeholders.
- Contribute to the scientific community through publications and community engagement.
Requirements
- 3+ years of building machine learning 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 in algorithms and data structures, parsing, numerical optimization, data mining, parallel and distributed computing, high-performance computing.
- Experience programming in Java, C++, Python or related language.
- Deep expertise in ASR/TTS architectures, end-to-end speech models, and LLM integration with speech systems.
Desired Qualifications
- Experience using Unix/Linux.
- Experience building machine learning models or developing algorithms for business application.
- Deep expertise in state-of-the-art LLM architectures, training, evaluation, and post-training techniques (SFT, DPO, RLHF, RLAIF).
Benefits
- Inclusive culture empowers Amazonians to deliver the best results for our customers.
- Workplace accommodation or adjustment for individuals with disabilities during the application and hiring process.
#Applied Science#Alexa International#Large Language Models#LLMs#ASR#TTS#Speech to Speech#deep learning#generative models#machine learning#natural language understanding#multimodal#speech recognition#speech synthesis
Company
Amazon
Job Posted
1 month ago
Employment Type
Full Time
WorkMode
On Site
Experience Level
Mid-Senior
Locations
Bengaluru, India
Qualification
Master, Doctoral
Applicants
Be an early applicant