For engineers

Founding engineer equity: how to think about the number

The commonly quoted band is wide, and the width is the point. What actually sets a founding engineer’s stake, what to ask before you negotiate, and how to tell when the number is wrong.

Zelcast

Founding engineer equity sits between a large early-employee grant and a small co-founder stake. The band people quote runs from a fraction of a percent to a few percent, and where an offer lands depends on when you join, how much salary you trade, what you actually own, and how many founding engineers the company is hiring. The number only means something next to the stage, the terms, and the scope, so evaluate the package, never the percent alone.

Why the band is so wide

People want a single normal number, and the honest answer is that the market prices four different things into one figure.

Stage. Joining two founders and a whiteboard is a different bet from joining after a seed round with a working demo, and a different bet again after a Series A. Every month of de-risking moves equity down, usually faster than salary moves up.

The salary trade. Founding offers flex: less cash for more equity, or the reverse. Two offers with very different percents can be the same offer once you price the salary gap over four years.

Scope. A founding engineer who owns the technical direction is closer to a co-founder than to a hire, and the grant should reflect it. We’ve written about where that line actually sits: it’s ownership and ambiguity, not the employee number.

Count. One founding engineer is a different story from a founding team of five sharing the early pool. Ask how many people will carry the title.

What to ask before you negotiate

Most founding-engineer equity mistakes happen before the negotiation, in the questions that never got asked.

Percent, not shares. Ask for the grant as a percentage of fully diluted shares, in writing. A share count without the denominator is decoration.

The mechanics. Vesting schedule, cliff, and what happens to your options if you leave: the post-departure exercise window is where good grants go to die. Ninety days to find the cash to exercise is common and worth negotiating.

The plan for dilution. You can’t avoid it, but you can understand it: what does the company expect to raise, and what does your stake plausibly look like two rounds from now.

The salary honestly. Ask what the cash number would be with a standard grant. The gap between the two answers is what you’re paying for your equity, and it should feel like a price you’d choose.

When the number is wrong

The most common bad offer we see isn’t a low percent. It’s a mismatch: a founding title, an early-engineer grant, and founder-level expectations. If the company wants you before product-market fit, building from zero, at below-market cash, the stake has to carry that risk, and a standard early-hire grant doesn’t. The reverse mismatch exists too: taking a founder-sized discount on salary at a company where the direction is already set and your job is execution. Then you’ve paid for ownership you won’t have.

Titles are free. Equity is not. Price the job, not the label.

The part nobody prices

The grant is one asset the seat gives you; the seat itself is the other. A founding role at a company that matters compounds into the next decade of your career in a way that’s hard to put on a term sheet, which is the argument of the best engineers are athletes now. The engineers we’ve seen do this well pick the company first and negotiate the number second. The ones who regret it did the reverse.