Spara

Staff AI Engineer

New York City, Remote. Posted 25 months ago

The role

You will work on the core engine powering AI agents, including retrieval, ranking, and response generation. You will design evaluation approaches and make foundational technical decisions to shape the product and technical roadmap.

What you will do

  • Go deep on the core engine for retrieval, ranking, response generation, and frameworks
  • Design and scale the evaluation approach across the platform
  • Bring depth on fine-tuning and training
  • Make foundational technical decisions
  • Collaborate closely with leadership to shape the product and technical roadmap
  • Ship to production multiple times a day using FastAPI/Python, React/TypeScript, Postgres + pgvector, OpenAI, Anthropic, Google Cloud, Docker, and GitHub Actions

Required qualifications

  • 7+ years of engineering experience
  • Significant depth in NLP, search, retrieval, or related ML domains
  • Experience that predates the current LLM wave
  • Track record of designing and deploying sophisticated ML/AI systems in production
  • Strong opinions on evaluation methodology
  • Experience with or strong instincts around fine-tuning
  • Ability to thrive in an early-stage environment
  • Excellent communication skills

Nice to have

  • Advanced degree in ML, NLP, or a related field
  • Previous startup experience, especially at companies that scaled from early to growth stage

Benefits

  • Health, dental, and vision insurance
  • Flexible PTO
  • Collaborative environment with experienced engineers solving hard problems together
  • Real ownership over product direction and technical architecture
  • In-office culture in NYC with flexibility for work-life balance

About the company

Spara is building AI agents that engage buyers across chat, voice, and email. They are a 20-person team in downtown Manhattan.

Staff AI Engineer at Spara | JobZoey