Join as the second engineer at a pre-seed startup revolutionizing AI resource management. You will build agentic recipes and load-balancing infrastructure to help enterprises optimize their AI stacks and eliminate surprise billing. This is a high-autonomy, full-stack role for a builder who leverages AI agents to ship production-grade code rapidly.
Founding Engineer at Afore Capital-backed AI cost management startup
We are looking for a Founding Engineer to join an elite team of Harvard grads and Apple alumni who previously built and exited a $30M AI platform. Backed by Afore Capital and angels from OpenAI and Gemini, this startup is building an AI-native load balancer to solve the massive problem of enterprise AI cost management. As the second engineer, you will have massive equity and the autonomy to define a new category of infrastructure. If you are an AI-native builder who uses agents to ship at 10x speed, this is your chance to join a future unicorn at the ground floor in San Francisco.
Overview
Role overview
Company
Fancysauce Inc.
Afore Capital-backed AI cost management startup founded by Harvard/Apple alumni with $100M+ exit pedigree
Responsibilities
What you will do
- Architect and own core platform verticals end-to-end, building agent harnesses and observability tooling using TypeScript, React, and GCP.
- Define how AI agents interact and scale within the product architecture, utilizing agentic engineering principles to enhance system performance.
- Ship production features multiple times a day in a high-velocity environment, moving across frontend, backend, and infrastructure to solve complex technical challenges.
Candidate profile
Who this is a fit for
- 3-5+ years of full-stack experience shipping real products, with high fluency in TypeScript, React, and SQL (Postgres).
- An AI-native builder who demonstrates mastery of AI coding agents and LLM tools to multiply their own productivity and code quality.
- A "manager of one" who thrives in a 3-day/week San Francisco office environment, valuing high-proximity collaboration and rapid whiteboard iteration.
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What makes it remarkable
Why this role is remarkable
- Founding team includes the former CEO of Retain.ai (acquired) and an Apple alum, offering mentorship from leaders who have scaled revenue from $0 to $100M+.
- Backed by tier-A investors including Afore Capital and strategic angels from OpenAI, Gemini, and Baseten at the forefront of the agentic shift.
- Extreme ownership as the second engineer, defining the core architecture and agentic engineering principles for a platform solving a massive, immediate market pain point.
Jack & Jill
How Jack & Jill work together
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 14 million jobs daily and introduces you directly to hiring managers.
How does this work?
Jack's an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack's network.
If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.