Software Engineer for LLM Development

4 days 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 Software Engineer with a strong data science background to join our team and work on building software to enhance the visibility and configurability of large language models (LLMs).

The successful candidate will be responsible for rapidly developing tools and platforms to evaluate, iterate, and productionalize models, ensuring their reliability and accuracy. This is an excellent opportunity for someone who wants to drive data-informed improvements that push the boundaries of what LLMs can achieve.

Responsibilities:
  • Must have at least 2 years of Python experience
  • Develop software that provides visibility into LLM models and offers configurability for tuning and evaluation.
  • Build and maintain evaluation datasets and tools, enabling the measurement of model performance across key metrics.
  • Take a hands-on approach to quickly prototype, test, and iterate on solutions, moving from proof-of-concept to production.
  • Evaluate results to inform decisions and improve model accuracy.

Our salary range for this position is £80,000 - £110,000 per year, depending on experience.

Qualifications:
  • Degree in Computer Science, Data Science, or related field, or equivalent experience.
  • Strong proficiency in Python and experience developing evaluation suites, datasets, and data-driven tools for model reliability testing.
  • Rapid prototyping and iteration skills while maintaining a focus on production-level quality.
  • Ability to hypothesize and validate results through experimentation and collaboration with cross-functional teams.


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