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Co-Founder & CTO

San Francisco💼 Full-time💰 $28–$28🗓 2026-09-27 → 2026-09-28

Core

Co-Founder & CTO owning technical and research strategy for an early-stage creative AI marketplace, building data infrastructure and evaluation systems for creative AI agents.

Role type

Equal co-founder & CTO (hands-on IC + strategy)

Builds

Proprietary training and evaluation platform for creative AI agents, data infrastructure connecting briefs to campaign outcomes, allocation policy for campaign budgets.

Domain

Creative AI marketplace, frontier AI research, multimodal generation, reinforcement learning

Deliverable

production ML models

Required skills

preference/reward modeling (RLHF, ranking), causal inference on observational data, production ML in ads/marketplace/recommender systems, bandits/sequential allocation, end-to-end model/infrastructure ownership, technical team leadership

Preferred skills

frontier AI lab background, multimodal generation/agents/planning/latent-variable modeling, prior founder experience

Technologies

RLHF, reward modeling, causal inference, bandits, reinforcement learning, multimodal generation

Responsibilities

Own technical and research strategy end-to-end; build data infrastructure for creative AI workflows; design evaluation and ranking systems; develop campaign allocation policy; make decisions on frontier model usage and research directions; set data quality and privacy standards; recruit and lead the first engineering and research team.

Seniority

Co-founder, full-time, in-person leadership

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