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FlintFlintSan Francisco, CA

AI Engineer

Builds production-grade agentic AI systems for autonomous websites, including RAG optimization, multi-agent architectures, and full-stack development integrating AI into web apps. Requires hands-on prompt engineering, model fine-tuning, and product-first experience deploying user-facing AI products.

150k – 250k/yr
On-siteFullstack Engineering

About the role

Responsibilities

  • Designing and implementing production-grade agentic systems that power web experiences and marketing workflows, leveraging advanced prompt engineering and multi-agent architectures
  • Architecting and optimizing RAG (Retrieval-Augmented Generation) systems with context engineering
  • Strengthening engineering processes through robust evals, observability, and testing
  • Developing and maintaining the core application across frontend, backend, and infrastructure
  • Shaping technical vision and leading architectural discussions
  • Creating and testing prototypes to gather rapid user feedback

Basic Qualifications

  • Product-first engineer who has built and deployed AI products that real users depend on
  • Extensive hands-on experience with prompt engineering, context optimization, and model fine-tuning
  • Strong full-stack engineering skills with experience integrating AI into web applications
  • Regularly use AI IDEs like Cursor or Windsurf to code
  • Take ownership of problems from start to finish and eager to learn
  • Comfortable in fast-paced environment with evolving requirements
  • Enthusiasm for building MVPs and iterating based on user feedback

Preferred Qualifications

  • Experience using AI for design system automation and component generation
  • Lived understanding of website builders (e.g. Webflow, Framer) and/or CMS (e.g. Sanity, Contentful, Strapi)
  • Former founder or early-stage founding employee experience

Skills

Prompt EngineeringRAGMulti-Agent SystemsFull-Stack EngineeringCursorModel Fine-TuningContext EngineeringObservabilityEvalsWebflowFramerSanityContentfulStrapi
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