Founding Engineer — AI-Driven Proposal Platform

Posted yesterday

buoyantMillbrae (CA)

Engineers, All Other Engineering Services

SENIORITY

Lead

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About the role

Buoyant is building an AI layer for engineering firms and shipping an AI proposal agent inside Microsoft Word that analyzes RFPs, studies past work, assembles teams, crafts strategies, and writes proposals in the client voice. It’s a founding role with a strong emphasis on end-to-end LLM pipelines and data-driven decisions. Join a fast-moving startup in California to extend the knowledge base, improve retrieval, and deliver high-impact features directly to customers in Word, with real-world

Before you apply

Applying takes about a minute. These four things decide how fast it moves after that.

Your profile is current

It's what we read first. Occupations, seniority and locations matter more than a long history.

Two examples you can talk through

Not a portfolio — just two pieces of work where you can explain the decisions and what you'd change.

A number in mind

What you're on now and what would make you move. We negotiate better when we know both.

Your notice period

Employers plan around it, and it's the question that stalls offers most often.

Once you apply, someone reads it and calls you before anything reaches the employer — usually within two working days.