"Seed", "Series A" and "Series B" are names for a startup's funding rounds, in order. Each round is usually larger than the last and is raised once the company has proved enough to justify it. For you as an employee, the stage is a quick read on three things: how much the company has proven, how big and structured the team is, and how your equity and risk compare.
The stages at a glance (live data)
| Stage | Startups hiring | Median open roles | Remote | Senior / staff | Manager and up | Entry / intern |
|---|---|---|---|---|---|---|
| Pre-seed | 30 | 6 | 11% | 25% | 6% | 4% |
| Seed | 171 | 5 | 20% | 31% | 10% | 5% |
| Series A | 250 | 8 | 30% | 27% | 14% | 5% |
| Series B | 133 | 16 | 27% | 28% | 16% | 6% |
| Series C | 92 | 21 | 30% | 28% | 18% | 5% |
| Series D+ | 64 | 56 | 27% | 29% | 21% | 5% |
Open roles at venture-backed startups that raised in the last six months, from the live JustBacked board. Median open roles = per startup.
The pattern is clear: hiring volume climbs steeply with each round (a median of 5 open roles at seed against 56 at Series D and later), and the share of management roles rises from 10% to 21% as companies add layers. Pay changes much less; see startup salaries by funding stage.
Seed
Where the company is. The company has a product, or a first version of one, and a handful of early customers or users. The round pays for finding a repeatable way to sell it.
What the work is like. Small team, broad roles. You will do work well outside your title, talk to customers directly, and help decide how things are done. Process is light, and so is support.
Risk and equity. Highest. Many seed-stage startups don't raise a Series A. The equity grant is the largest share of the company you are likely to be offered, because the risk is highest.
Series A
Where the company is. The company has early proof that customers want and pay for the product. A Series A pays for building the team that turns that into a business.
What the work is like. Still small, but hiring quickly. The first managers and the first specialists in each function usually arrive around now. Your role is defined, but it will change.
Risk and equity. High. The product works for some customers; the question is whether it scales. Equity grants are smaller as a percentage than at seed, at a higher valuation.
Series B
Where the company is. Revenue is growing and the playbook is known. A Series B pays for scaling: more sales capacity, more product lines, new markets.
What the work is like. Teams within functions, real managers, more process. Roles get narrower and deeper. Good for people who want ownership with more structure around it.
Risk and equity. Moderate. Most of the existential risk has passed, but growth has to keep pace with the valuation. Equity is a smaller percentage, though each share is worth more on paper.
Series C
Where the company is. A proven business raising to grow faster or expand: new geographies, acquisitions, or a path toward profitability or an IPO.
What the work is like. Closer to a mid-size tech company: established teams, career ladders, formal reviews. Hiring is larger and more specialized.
Risk and equity. Lower. The main risk is valuation: a high last round can make new equity worth less than it looks if the company later raises or sells at a lower price.
Series D and later
Late-stage startups behave like established companies that are still growing fast: big hiring plans, specialized roles, the highest posted pay, and equity that is closer to cash in value but a much smaller slice of the company. They are a good fit if you want startup pace with more stability. See Series D+ startup jobs →
How to choose
- You want breadth, speed and the biggest equity stake: seed or Series A.
- You want ownership plus a real team around you: Series A or B.
- You want to specialize, manage, or need more stability: Series C and later.
- Whatever the stage, check how recent the round is. A startup that raised in the last few months has budget for the roles it posts. That is the whole idea behind JustBacked's just-raised list.