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Norstella Logo

Principal Data Scientist

Norstella

$220,000 - $260,000
Sep 2, 2025
Remote, US
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Norstella aims to help clients bring life-saving therapies to market quicker by leveraging data science, machine learning, and predictive analytics to extract actionable insights and drive informed decision-making in the pharmaceutical industry.

Requirements

  • 10+ years of experience developing AI / ML applications and delivering data driven solutions
  • Substantial depth and breadth in NLP, Deep Learning, Generative AI and other state of the art AI / ML techniques
  • Excellent knowledge of high-level programming languages (Python, Java, or C++) and core data science libraries including Pandas, NumPy and other similar libraries
  • Deep understanding of CS fundamentals, computational complexity and algorithm design
  • Experience with building large-scale distributed systems in an agile environment and the ability to build quick prototypes
  • Experience with LLMs, prompt engineering, retrieval augmented generation, model fine tuning and knowledge graphs
  • Experience with AWS especially in relation to ML workflows with SageMaker, serverless compute and storage such as S3 and Snowflake

Responsibilities

  • Lead a team of data scientists and developers to deliver AI-enabled microservices in collaboration with content and product engineering teams
  • Define reference architectures suitable to answer complex questions, including via code interpreting, LLM tool use and leveraging secondary data science models
  • Coach and train a team of data scientists and developers to use these architectures
  • Stay up-to-date, constantly learning about advances in the field, and deliver periodic presentations to internal teams on these developments
  • Serve as the company-wide expert in one or more complex technical areas (e.g., entity mastering, knowledge graphs, search optimization, RAG)
  • Experience with building large-scale distributed systems in an agile environment and the ability to build quick prototypes
  • Experience leading a portfolio of complex data science projects and mentoring junior team members

Other

  • Collaborate with product leadership to identity, elaborate and prioritize projects
  • Excellent problem solving and communication skills
  • all candidates must be authorized to work in the United States. We do not provide visa sponsorship or transfers. We are not currently accepting candidates who are on an OPT visa.
  • Bold, Passionate, and Mission-First
  • Integrity, Truth, and Reality