At a Glance
- Tasks: Develop innovative speech models and algorithms for multilingual AI technology.
- Company: Join Amazon's Alexa International Science team, a leader in AI innovation.
- Benefits: Competitive salary, diverse work culture, and opportunities for professional growth.
- Other info: Collaborative environment with a focus on cutting-edge AI research and development.
- Why this job: Make a global impact by enhancing how Alexa communicates across languages.
- Qualifications: Master's or PhD in relevant field; programming experience in Java, C++, or Python.
The predicted salary is between 60000 - 80000 £ per year.
The Alexa International Science team is looking for a passionate, talented, and inventive Senior Applied Scientist with a strong background in speech models (understanding and generation) and deep learning to help build industry-leading Generative AI technology with speech-to-speech models and multilingual systems. At this level, you will drive cross-team scientific strategy for speech quality across international locales, influence partner teams, and deliver solutions that have broad impact across Alexa's global products.
Key Job Responsibilities
- Develop novel algorithms and modeling techniques to advance the state of the art in multilingual speech generation, text-to-speech synthesis, and speech-to-speech models.
- Leverage Amazon's heterogeneous data sources and large-scale computing resources to accelerate advances in speech synthesis, voice quality, and pronunciation accuracy for non-English locales.
- Collaborate with software engineers to optimize model performance for production deployment and partner with product managers to align research priorities with customer needs.
- Participate in science reviews, paper reading groups, and brainstorming sessions with fellow scientists across the organization.
A Day in the Life
You will start your day reviewing experiment results and iterating on model architectures for speech generation. You will collaborate with software engineers to optimize model performance for production deployment, and partner with product managers to align research priorities with customer needs. You will participate in science reviews, paper reading groups, and brainstorming sessions with fellow scientists across the organization. Your work directly impacts how Alexa sounds and communicates with customers in international markets, making every day an opportunity to solve meaningful problems at global scale.
About The Team
The Alexa International Tech team helps Alexa's global expansion scalable, reliable, and locally relevant for customers. We build the science, engineering, evaluation, and quality platforms behind global AI product delivery: multi-model AI orchestration, multilingual model and data readiness, speech and language quality, reward modeling, synthetic data generation, automated evaluation, developer tooling, defect analysis, and launch mechanisms. Our work sits at the intersection of applied AI, speech, distributed systems, developer experience, and customer quality automation. The goal is simple but hard: help teams build Alexa+ experiences once and scale them across languages, countries, devices, models, and customer expectations without reinventing the same mechanisms every time.
Basic Qualifications
- Master's degree, or PhD
- Experience programming in Java, C++, Python or related language
- Experience with neural deep learning methods and machine learning
- Experience in building machine learning models for business application
- Experience in applied research
Preferred Qualifications
- Experience with modeling tools such as R, scikit-learn, Spark MLLib, MxNet, Tensorflow, numpy, scipy etc.
- Experience with large scale distributed systems such as Hadoop, Spark etc.
Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We value your passion to discover, invent, simplify and build. Protecting your privacy and the security of your data is a longstanding top priority for Amazon.
Amazon 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 for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.
Sr. Applied Scientist, Alexa International in London employer: Amazon Science
At Amazon, we pride ourselves on fostering a dynamic and inclusive work environment where innovation thrives. As a Senior Applied Scientist in the Alexa International team, you will have the opportunity to work with cutting-edge technology in a collaborative setting that values diverse perspectives and encourages professional growth. With access to extensive resources and a commitment to employee development, you'll be empowered to make a significant impact on global products while enjoying a culture that prioritises creativity and teamwork.
StudySmarter Expert Advice🤫
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We think you need these skills to ace Sr. Applied Scientist, Alexa International in London
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