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Sr. Applied Scientist, Alexa International

London, UK💼 Full-time🗓 2026-06-04 → 2026-08-07

Core

Developing industry-leading Generative AI technology with speech-to-speech models and multilingual systems for Alexa's global products.

Role type

Senior Applied Scientist (Speech & Generative AI)

Builds

Multilingual speech generation, text-to-speech synthesis, and speech-to-speech models for Alexa+

Domain

Generative AI, Speech Technology, Multilingual Systems

Deliverable

production ML models

Required skills

Deep learning, speech synthesis (TTS/S2S), multilingual phonetics, modern model architectures, evaluation methodology, algorithm development, low-resource language modeling

Preferred skills

Cross-team scientific strategy, influencing partner teams, customer feedback iteration

Technologies

Heterogeneous data sources, large-scale computing resources

Responsibilities

Develop novel algorithms and modeling techniques for multilingual speech generation, collaborate with software engineers to optimize model performance for production, align research priorities with customer needs, participate in science reviews and paper reading groups

Seniority

Senior, hands-on IC

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