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Senior Machine Learning Engineer – NLP & Search

Senior Machine Learning Engineer – NLP & Search

CompanyOntra
LocationSan Francisco, CA, USA, Santa Barbara, CA, USA
Salary$176000 – $264000
TypeFull-Time
DegreesBachelor’s, Master’s
Experience LevelSenior

Requirements

  • 4+ years in applied machine learning or NLP roles
  • Proficient understanding of transformer-based architectures, embeddings, and document-level NLP
  • Demonstrated experience in deploying ML models in production environments, including the use of orchestration and monitoring tools
  • Familiarity with semantic search, vector stores (e.g., Pinecone, Weaviate), or hybrid RAG systems

Responsibilities

  • Design, build, and scale advanced machine learning systems to automate the extraction and retrieval of legal obligations from complex private equity documents
  • Develop and fine-tune LLM solutions for legal workflows, enhancing the capabilities of Ontra’s AI systems with custom NER pipelines and semantic indexing
  • Work closely with product, legal, and engineering teams to define project requirements and seamlessly integrate AI solutions into existing workflows
  • Review and refine datasets and machine learning pipelines to ensure they deliver high performance, scalability, and are tailored to evolving needs
  • Deploy and continuously monitor machine learning models in production, conducting experiments and implementing optimizations to improve model performance
  • Drive measurable improvements in legal review processes and enhance end-user productivity through advanced AI applications and tools

Preferred Qualifications

  • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field preferred