Jobs · Engineering · California

Senior AI Engineer I

BillionToOne · Menlo Park, CA · 3 wk ago
HybridEngineering$193k–$214k/yrFull-time

Responsibilities

  • Build and deploy LLM-powered applications (retrieval systems, AI agents, workflow automation, vector storage) that integrate with internal systems and data sources
  • Partner with business stakeholders to identify automation opportunities, scope requirements, and define success metrics
  • Build lightweight data pipelines and analytics to support AI applications and measure their impact
  • Own projects end-to-end: from prototyping and iteration through production deployment and monitoring
  • Establish best practices for prompt engineering, evaluation, and responsible AI use as the team scales
  • Develop and lead internal training sessions on LLM fundamentals, prompt engineering, and AI-assisted development tools

Qualifications

  • 5+ years of experience in software engineering, data science, or ML engineering
  • Hands-on experience building applications with LLM APIs (OpenAI, Anthropic, etc.)
  • Strong Python proficiency and comfort with SQL and relational databases
  • Experience deploying and maintaining production systems
  • Familiarity with AWS
  • Excellent communication skills and ability to translate business problems into technical solutions
  • Self-directed and comfortable with ambiguity in a 0-to-1 environment

Nice-to-Haves

  • Previous entrepreneurial experience
  • Experience with retrieval architectures, vector databases, and embedding models
  • Familiarity with agent frameworks or workflow orchestration tools
  • Experience with traditional ML frameworks (scikit-learn, PyTorch, TensorFlow)
  • Prior work in healthcare, biotech, or other regulated industries

Benefits And Perks

  • Working alongside brilliant, kind, passionate and dedicated colleagues, in an empowering environment, toward a global vision, striving for a future in which transformative molecular diagnostics can help millions of patients
  • Open, transparent culture that includes weekly Town Hall meetings
  • The ability to indirectly or directly change the lives of hundreds of thousands patients
  • Multiple medical benefit options; employee premiums paid 100% of select plans, dependents covered up to 80%
  • Extremely generous Family Bonding Leave for eligible employees (16 weeks, paid at 100%)
  • Supplemental fertility benefits coverage
  • Retail savings program including a 4% Company match
  • Increase paid time off with increased tenure
  • Latest and greatest hardware (laptop, lab equipment, facilities)
  • Daily on-site lunches provided from top eateries
  • A variety of perks on campus (state of the art gym, restaurant)
  • Free on-site EV charging (compatible with all EVs, including Tesla)

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