Applied Scientist, Alexa Conversational Assistant Services

Amazon

full-time

Posted: October 23, 2025

Number of Vacancies: 1

Job Description

Are you interested in enhancing Alexa user experiences through Large Language Models?The Alexa AI Berlin team is looking for an Applied Scientist to join our innovative team working on Large Language Models (LLMs), Natural Language Processing, and Machine/Deep Learning. You will be at the center of Alexa's LLM transformation, collaborating with a diverse team of applied and research scientists to enhance existing features and explore new possibilities with LLMs. In this role, you'll work cross-functionally with science, product, and engineering leaders to shape the future of Alexa.Key job responsibilitiesAs an Applied Scientist in Alexa Science team:- You will develop core LLM technologies including supervised fine tuning and prompt optimization to enable innovative Alexa use cases- You will research and design novel metrics and evaluation methods to measure and improve AI performance- You will create automated, multi-step processes using AI agents and LLMs to solve complex problems- You will communicate effectively with leadership and collaborate with colleagues from science, engineering, and business backgrounds- You will participate in on-call rotations to support our systems and ensure continuous service availabilityA day in the lifeAs an Applied Scientist, you will own the design and development of end-to-end systems. You’ll have the opportunity to write technical white papers, create technical roadmaps and drive production level projects that will support Amazon Science. You will have the opportunity to design new algorithms, models, or other technical solutions whilst experiencing Amazon’s customer focused culture. The ideal scientist must have the ability to work with diverse groups of people and cross-functional teams to solve complex business problems.About the teamYou would be part of the Alexa Science Team where you would be collaborating with Fellow Applied and research scientists!

Locations

  • Germany, BE, Berlin, Berlin, BE, Germany

Salary

Salary not disclosed

Estimated Salary Rangemedium confidence

95,000 - 165,000 USD / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • - PhD, or a Master's degree and experience in CS, CE, ML or related fieldintermediate
  • - Experience in building models for business applicationintermediate
  • - Experience programming in Java, C++, Python or related languageintermediate
  • - Experience in any of the following areas: algorithms and data structures, parsing, numerical optimization, data mining, parallel and distributed computing, high-performance computingintermediate

Required Qualifications

  • - PhD, or a Master's degree and experience in CS, CE, ML or related field (experience)
  • - Experience in building models for business application (experience)
  • - Experience programming in Java, C++, Python or related language (experience)
  • - Experience in any of the following areas: algorithms and data structures, parsing, numerical optimization, data mining, parallel and distributed computing, high-performance computing (experience)

Preferred Qualifications

  • - Experience in professional software development (experience)
  • m/w/d (experience)

Responsibilities

  • As an Applied Scientist in Alexa Science team:
  • - You will develop core LLM technologies including supervised fine tuning and prompt optimization to enable innovative Alexa use cases
  • - You will research and design novel metrics and evaluation methods to measure and improve AI performance
  • - You will create automated, multi-step processes using AI agents and LLMs to solve complex problems
  • - You will communicate effectively with leadership and collaborate with colleagues from science, engineering, and business backgrounds
  • - You will participate in on-call rotations to support our systems and ensure continuous service availability

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Application Instructions

https://www.amazon.jobs/en/jobs/3115349

Tags & Categories

alexa-and-amazon-devices.team-machine-learning-and-science-job-familyamazon.artificial-intelligenceMachine Learning Science