Senior Data Scientist for Large Language Model Development

4 weeks ago


London, Greater London, United Kingdom PolyAI Full time

PolyAI is a leader in automating customer service through innovative voice technology.

Our voice assistants empower businesses to deliver exceptional customer service at every interaction. We are seeking a talented and hands-on software engineer with a strong data science background to join our team.

This role involves building software to enhance the visibility and configurability of large language models (LLMs). You will be responsible for rapidly developing tools and platforms to evaluate, iterate, and productionalize models, ensuring their reliability and accuracy.

We are looking for the right candidate, and therefore are flexible on the levelling for this position ranging from mid-level to senior. Key responsibilities include developing software that provides visibility into LLM models and offers configurability for tuning and evaluation, building and maintaining evaluation datasets and tools, and employing a data-driven methodology to drive model accuracy.

Responsibilities:

  • Create software that offers visibility into LLM models and configurability for tuning and evaluation.
  • Develop and maintain evaluation datasets and tools.
  • Employ a data-driven methodology to drive model accuracy.
  • Collaborate with cross-functional teams to integrate developed tools.
  • Communicate findings and ranking metrics clearly to both technical and non-technical stakeholders.

Qualifications:

  • Degree in Computer Science, Data Science, or related field, or equivalent experience.
  • Strong proficiency in Python.
  • Experience developing evaluation suites, datasets, and data-driven tools for model reliability testing.
  • Ability to rapidly prototype and iterate on solutions while maintaining a focus on production-level quality.

Benefits:

  • Participation in the company's employee share options plan.
  • 25 days holiday, plus bank holidays.
  • Flexible working from home policy.
  • Work from outside of the UK for up to 6 months each year.
  • Enhanced parental leave.
  • Yearly learning budget.

PolyAI is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.


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