Doji
Founding Engineer
New York City · On-site · Full-time · Posted Jun 8, 2026
About the job
Build Doji’s AI-powered fashion shopping product, spanning prototypes, personalization, production AI systems, and core infrastructure.
What you'll do
- Build end-to-end prototypes and production software, working directly with founders on product ideas and strategy.
- Own personalization systems, including retrieval, ranking, cold-start, and recommendation quality.
- Build and maintain infrastructure such as data pipelines, internal tools, and evaluation systems; investigate performance and reliability issues.
What they ask for
- Move between rapid prototyping and deep technical work, and ramp quickly on unfamiliar domains.
- Have meaningful-scale experience with consumer products, social products, marketplaces, or other user-facing systems.
- Be self-driven, high-agency, and able to get unstuck.
- Have genuine interest in fashion, avatars, or creative expression.
Nice to have
- Experience shipping iOS or other native mobile experiences.
- Experience with AI/ML infrastructure, such as training pipelines, evaluation systems, or data flywheels.
Tools
LLM, vector search, diffusion pipelines, embedding-based search, sequence modeling
AI focus
Build production LLM-powered systems, AI product systems, personalization and recommendation systems, and AI/ML evaluation or training infrastructure.
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