Prompt Engineer

Description:

Fullpath is an AI-first tech company in the automotive space with hubs across the US and Israel. Our mission is to constantly disrupt the industry by creating new, groundbreaking technologies to help dealers build stronger, more resilient businesses. Our work happens in the fast lane as we work to bring AI and data-driven solutions to a quickly evolving industry.

Our team at Fullpath is made up of curious and creative individuals who are always looking to achieve the impossible. We are bold, collaborative, and goal driven, and, at our core, we believe every voice has value and can impact our bottom line.

We are seeking a Prompt Engineer to join our product team and help take our AI-powered products to the next level. In this position you will be responsible for ensuring that our LLM workflows not only meet the highest standards of quality and reliability, but actively drive conversion and adoption across our products. You will design, validate, monitor, and optimize prompts, LLM workflows, and AI agents, with a sharp eye on business outcomes and conversion rates. The ideal candidate will possess excellent organizational and communication skills, a strong product and growth mindset, and the ability to collaborate effectively across many departments and teams. Most importantly, you will be genuinely passionate about modern AI tools and the practical adoption of LLMs in product development: you stay on top of what's new, experiment constantly, and bring fresh ideas to the team.

This is a position based out of our Tel Aviv office or Jerusalem office, and will report to the LLM Team Lead.

• Design, prototype and iterate AI agents and LLM workflows from ideation to execution
• Drive conversion rate optimization (CRO) and product adoption for AI agents
• Monitor live systems (dashboards, A/B tests, validation pipelines), triage issues, and implement fixes for hallucinations and regressions
• Build and maintain LLM-as-judge frameworks to continuously evaluate quality at scale
• QA and evaluate end user-facing AI output with a sharp eye on tone, messaging, and conversion effectiveness
• Collaborate with stakeholders across product, marketing, CX, and R&D teams

• Native level verbal and written English with excellent communication, presentation, and interpersonal skills
• 3+ years in a SaaS company in a growth, product, content/marketing or QA roles
• Proven experience with conversion rate optimization and a data-driven approach to improving outcomes
• Experience with Langchain, n8n, Cursor, Claude, or similar tools
• Strong working knowledge of today's prompting methods including skills, MCPs, and agent orchestration
• Strong product sense and empathy towards users, customers and their needs
• Creative problem solver with a sense for business needs, while having some technical aptitude 
• Strong analytical and troubleshooting skills – comfortable working with data to drive decisions
• Growth mindset