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Top Series C Developer tools companies

IDEs, runtimes, frameworks, and platforms built primarily for engineers. Filtered to companies whose latest disclosed round is Series C.

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Built from a search like: “Top Series C Developer tools companies”

Ranked by current headcount across Series C Developer tools companies. Refreshed daily.

  1. 1
    Shopify· Ottawa, Ontario, Canada
    • Series C
    • 28.8k employees
    • Founded 2006
  2. 2
    Amazon Fulfillment Technologies & Robotics· North Reading, Massachusetts, United States
    • Series C
    • 17.8k employees
    • Founded 2004
  3. 3
    Twitch· San Francisco, California, United States
    • Series C
    • 14.7k employees
    • Founded 2011
  4. 4
    Mercor· San Francisco, California, United States
    • Series C
    • 7.7k employees
    • Founded 2023
  5. 5
    Arista Networks· Santa Clara, California, United States
    • Series C
    • 5.7k employees
    • Founded 2004
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Find engineers and founders at Series C Developer tools companies

Series C Developer tools companies are some of the most active hirers in the market. The list above ranks the largest Developer tools companies whose latest disclosed round is Series C, by current headcount, drawn from public LinkedIn and Crunchbase records. Across 788matching companies, you’ll find senior engineers, founding designers, and operators worth tracking.

Companies at this stage in Developer tools share a profile: a working product, fresh capital, and a hiring plan that wants senior people yesterday. Looking at headcount, last round, and HQ side by side gives you a quick read on where Developer tools talent is concentrating right now.

Refolk converts this list into a search. Ask for “Series C Developer tools founders hiring senior engineers” or “design leads at Series C Developer tools companies” and Refolk returns a fresh ranked shortlist with the sources behind each match.

How this list is built

Refolk pulled Developer tools companies whose latest disclosed funding round is Series C from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 5 employees. The list refreshes once a day.

Last refreshed: Sun, 21 Jun 2026 09:14:22 GMT

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