/roles — ROLE_80
ML / AI Engineer
Small consumer software studio using machine learning to build personal, thoughtfully designed apps, beginning with an email product
The role
- COMP
- $200K - $300K
- EQUITY
- 0.85 - 1%
- LOCATION
- San Francisco · New York
- WORKPLACE
- On-site
- EXPERIENCE
- 5+ years
- VISA
- None, Visa transfers
- STACK
- Python, FastAPI, PostgreSQL, Vector Database, LLMs, embeddings, RAG, retrieval, inference infrastructure
- INDUSTRY
- Consumer, AI
The company
Consumer software studio making personal, delightful everyday apps, starting with a new take on email.
- STAGE
- Series A-stage
- FUNDING
- $9M raised
- TEAM
- founding team of <10
- FOUNDED
- 2025
- BACKING
- VC-backed
JD — the work
About the role
Founding-team ML role architecting the intelligent foundation of consumer products designed to feel personal and magical: pipelines, retrieval, and inference powering categorization, summarization, search, personalization, and assistant experiences.
What you'll do
- Architect the ML and retrieval systems behind the core product
- Design pipelines that ingest, classify, enrich, and summarize user data at volume
- Build scalable real-time and batch inference infrastructure
- Lead model selection, fine-tuning, embeddings, RAG, and evaluation
- Prototype fast, then harden what works
- Make complex AI feel intuitive with product and design
What they're looking for
- Deep ML-product experience: LLMs, embeddings, RAG, ranking, retrieval
- Product quality obsession equal to model accuracy
- Small senior-team fit