Lightfield

Lightfield

AI Product Engineer

HQ: San Francisco

Sponsorship not specifiedDetected 68 days ago
TypeScriptReactNext.jsNode.jsGraphQLMachine LearningLLMsRAGLLMOpsA/B TestingCRMResearchMentoring

About the role

  • You'll also push our company's overall product and technical vision as we learn from each project and continue to scale.

Responsibilities

  • Collaborate with product leaders to identify customer problems, scope requirements, and implement LLM-powered solutions.
  • Apply LLMs as reasoning engines to build domain-specific AI assistants.
  • Develop and optimize end-to-end RAG pipelines and agent architectures to leverage public and proprietary data.
  • Build and enhance systems and tools that enable high-velocity experimentation (e.g. LLM-powered automated evaluation) and customized product experiences.
  • Help build a world-class engineering team by recruiting and mentoring teammates.

Requirements

  • You have the ability to ramp up quickly on a tech stack that features TypeScript, React, Next.js, Node.js, Apollo GraphQL, and Aurora PostgreSQL.
  • You have explored working with LLMs, either through professional projects or personal experimentation.
  • You have a degree in Computer Science or a related field, with a strong foundation in software engineering principles.
  • You are familiar with AI and ML concepts (e.g. training, evaluation techniques).
  • You are passionate about keeping up with and exploring the latest advancements in LLMs and LLMOps (including open source solutions, e.g. LangChain).
  • You are able to clearly communicate your reasoning and decisions to your teammates (technical and nontechnical) at an appropriate altitude of detail.

Compensation

  • Competitive salary

Benefits

  • Meaningful early equity
  • Health insurance (medical, dental, vision)
  • 3 weeks of PTO
  • 11 paid company holidays + we enjoy a winter holiday break
  • 3 months of paid family leave
  • Other perks include: commuter and lunch stipend
  • Create and enhance prompts, applying techniques like few-shot learning and chain-of-thought.

Company info

  • fast, intelligent, and genuinely helpful.
  • We are backed by Greylock, Lightspeed, and Coatue, and our founders previously built Tome, a generative AI presentation product used by over 25 million people.
  • Before Lightfield, our team worked on Llama, Instagram, Facebook Messenger, Pinterest, Google, and Salesforce.
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This listing is sourced directly from Lightfield's careers page and normalized into a canonical job model.