Founding Engineer

The role

A founding engineer will build end-to-end prototypes and work across the stack. You will work on AI product systems, recsys, or core product infrastructure to reimagine fashion shopping.

What you will do

• Build end-to-end prototypes fast
• Optimize the feed ranker, profile a slow endpoint, debug a race condition, or chase down a memory leak
• Own personalization end-to-end including retrieval, ranking, and cold-start
• Ship infrastructure like data pipelines, internal tools, and eval systems
• Build LLM-powered systems that work in production
• Work directly with the founders to turn early product ideas into working software
• Contribute to product strategy

Required qualifications

• Can move between scrappy prototyping and deep technical work
• Ramp fast on unfamiliar domains
• Have taste for consumer products and opinions about what makes them good
• Have worked on consumer products, social products, marketplaces, or other user-facing systems at meaningful scale
• Are self-driven, high-agency, and good at getting unstuck
• Have genuine interest in fashion, avatars, or creative expression
• Real depth in at least one of these areas: AI product systems, Recsys and personalization, or Core product infrastructure

Nice to have

• Have shipped iOS or other native mobile experiences
• Have worked on the infrastructure side of AI/ML - training pipelines, eval systems, data flywheels

About the company

Doji is a small, NYC-based team reimagining fashion shopping with AI avatars. The team includes people who previously built products used by millions at Apple, DeepMind, Meta, Shopify, and startups.