Founding Engineer

About the role

You will help invent and build the core product and systems from the ground up. You will work directly with the CEO, CTO, and most importantly, our customers.

Responsibilities

• Design and implement agentic AI systems that reason about large sets of unstructured data
• Ship full-stack features with direct user feedback
• Contribute to the product experience so agents aren’t just smart, but usable and trusted by engineers
• Build systems to automatically evaluate LLM outputs and improve agentic reasoning through self-play and feedback loops
• Construct ML pipelines, including data ingestion, feature generation, embedding stores, RAG pipelines, vector search infra, and graph databases
• Explore and prototype with open-source and frontier LLMs to evaluate tradeoffs
• Build scalable infra to support long-running multi-step agents, including memory, state management, and async workflows
• Participate in everything from company strategy to customer calls to office snacks

Requirements

• Has a valid US Visa or work permit
• Works in SF in person 3 days a week
• 5+ years of experience
• Expertise in React and Python
• Thrives in ambiguity
• Is product minded & customer first thinking
• Interested in working with LLMs, MCPs, Cloud Infrastructures, and Observability tools
• Worked at a startup before and survived

Qualifications

• Strong understanding of machine learning and natural language processing
• Experience with large-scale distributed systems and observability tools
• Knowledge of cloud infrastructure and deployment practices
• Ability to work independently and manage multiple projects simultaneously

Skills

• Python
• React
• Machine Learning
• Natural Language Processing
• Distributed Systems
• Cloud Infrastructure
• Observability Tools

Benefits

• Medical, Dental, Vision insurance
• Commuter benefits
• FSA/HSA
• 401(k)
• Lunch & Dinner in the office
• Snacks and drinks
• Latest MacBook + iPad Air
• Cursor, Claude Code, Windsurf, and unlimited budget to test out new software and models

Pay

Competitive salary and equity package

Schedule

3 days a week in San Francisco