F
Founding Senior AI Engineer
Fruition Executive Search
2 hours ago
Full-time
On-site
San Francisco, California, United States
Job Description
Founding Senior AI Engineer - Agent Quality & Evaluation
On behalf of an early-stage startup •San Francisco, on-site •Full-time
The build:
Our client is building multi-channel marketing agents across SEO, content, social, and search - and they want their first senior AI hire to own the quality and intelligence of those agents end to end. You'll work directly with the founder, shape agent architecture and eval systems, and build the AI team as it scales.
This is a first-senior-hire role. You set the standard for what "good output" even means - and make it measurable.
What you'll do
Improveagent output and content quality across Reddit, LinkedIn, X, and long-formarticles - with evaluation systems that make quality measurable. ImproveSEO and generative engine optimization (GEO) performance. Designfeedback loops so agents learn from real-world results and performancesignals at scale. Own AIinfrastructure, agent architecture, model strategy, and the data pipelinesbehind them. Hireand lead the AI team as the org grows. Requirements
What we're looking for
3+years building production ML or AI systems, with recent hands-on shippingof LLM products or agents. Proveneval design and outcome-signal learning in domains like search, ranking,or recommendations. StrongTypeScript (Next.js) and Python - you ship end to end and can do thedata/eval work yourself. Sharpjudgment about output quality, and the ability to make it measurable andactionable. Ownershipexperience in a startup or small team. Searchor ranking background - especially Google or AI answer engines. Bonus:leading AI lab or top research program, marketing/GTM exposure, orRL/recommender systems experience.
On behalf of an early-stage startup •San Francisco, on-site •Full-time
The build:
Our client is building multi-channel marketing agents across SEO, content, social, and search - and they want their first senior AI hire to own the quality and intelligence of those agents end to end. You'll work directly with the founder, shape agent architecture and eval systems, and build the AI team as it scales.
This is a first-senior-hire role. You set the standard for what "good output" even means - and make it measurable.
What you'll do
Improveagent output and content quality across Reddit, LinkedIn, X, and long-formarticles - with evaluation systems that make quality measurable. ImproveSEO and generative engine optimization (GEO) performance. Designfeedback loops so agents learn from real-world results and performancesignals at scale. Own AIinfrastructure, agent architecture, model strategy, and the data pipelinesbehind them. Hireand lead the AI team as the org grows. Requirements
What we're looking for
3+years building production ML or AI systems, with recent hands-on shippingof LLM products or agents. Proveneval design and outcome-signal learning in domains like search, ranking,or recommendations. StrongTypeScript (Next.js) and Python - you ship end to end and can do thedata/eval work yourself. Sharpjudgment about output quality, and the ability to make it measurable andactionable. Ownershipexperience in a startup or small team. Searchor ranking background - especially Google or AI answer engines. Bonus:leading AI lab or top research program, marketing/GTM exposure, orRL/recommender systems experience.