AI Product Engineer

About the Company

Lightfield is an AI-native CRM that assembles itself from your email, calendar, and meetings. We are rethinking CRM from first principles, building a platform that is fast, intelligent, and genuinely helpful. We are backed by Greylock, Lightspeed, and Coatue.

Responsibilities

• Collaborate with product leaders to identify customer problems and implement LLM-powered solutions
• Apply LLMs as reasoning engines to build domain-specific AI assistants
• Create and enhance prompts using techniques like few-shot learning and chain-of-thought
• Develop and optimize end-to-end RAG pipelines and agent architectures
• Improve AI agent quality via empirical evaluation and iteration
• Build systems that enable high-velocity experimentation
• Stay at the forefront of AI research and incorporate state-of-the-art techniques
• Shape technical direction and best practices for AI application development
• Recruit and mentor new teammates

Requirements

• Ability to work with TypeScript, React, Next.js, Node.js, Apollo GraphQL, and Aurora PostgreSQL
• Experience exploring LLMs through professional or personal projects
• Degree in Computer Science or a related field
• Familiarity with AI and ML concepts such as training and evaluation
• Passion for LLMs and LLMOps (e.g., LangChain)
• Ability to drive projects with ambiguous problems independently
• Strong communication skills for technical and non-technical teammates

Benefits

• Competitive salary and meaningful early equity
• Health insurance (medical, dental, vision)
• 3 weeks of PTO and 11 paid company holidays
• 3 months of paid family leave
• 401k plan
• Commuter and lunch stipend