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Series C Developer tools companies in San Francisco

IDEs, runtimes, frameworks, and platforms built primarily for engineers. Filtered to Series C-stage companies headquartered in San Francisco.

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

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

  1. 1
    Twitch· San Francisco, California, United States
    • Series C
    • 17.5k employees
    • Founded 2011
  2. 2
    Mercor· San Francisco, California, United States
    • Series C
    • 5.2k employees
    • Founded 2023
  3. 3
    Miro· San Francisco, California, United States
    • Series C
    • 2.6k employees
    • Founded 2011
  4. 4
    WRITER· San Francisco, California, United States
    • Series C
    • 2.4k employees
    • Founded 2020
  5. 5
    Docker, Inc· San Francisco, California, United States
    • Series C
    • 991 employees
    • Founded 2013
  6. 6
    Trusted Health· San Francisco, California, United States
    • Series C
    • 886 employees
    • Founded 2017
  7. 7
    Omni· San Francisco, California, United States
    • Series C
    • 725 employees
    • Founded 2022
  8. 8
    Drata· San Francisco, California, United States
    • Series C
    • 693 employees
    • Founded 2020
  9. 9
    Anyscale· San Francisco, California, United States
    • Series C
    • 641 employees
    • Founded 2019
  10. 10
    Mixpanel· San Francisco, California, United States
    • Series C
    • 606 employees
    • Founded 2009
  11. 11
    Atlan· San Francisco, California, United States
    • Series C
    • 580 employees
    • Founded 2019
  12. 12
    Mural· San Francisco, California, United States
    • Series C
    • 546 employees
    • Founded 2011
  13. 13
    Quizlet· San Francisco, California, United States
    • Series C
    • 535 employees
    • Founded 2005
  14. 14
    Gorgias· San Francisco, California, United States
    • Series C
    • 524 employees
    • Founded 2015
  15. 15
    Gem· San Francisco, California, United States
    • Series C
    • 505 employees
    • Founded 2017
  16. 16
    Envoy· San Francisco, California, United States
    • Series C
    • 449 employees
    • Founded 2013
  17. 17
    Retool· San Francisco, California, United States
    • Series C
    • 443 employees
    • Founded 2017
  18. 18
    Peregrine· San Francisco, California, United States
    • Series C
    • 424 employees
    • Founded 2018
  19. 19
    Fountain· San Francisco, California, United States
    • Series C
    • 415 employees
    • Founded 2014
  20. 20
    Sendoso· San Francisco, California, United States
    • Series C
    • 406 employees
    • Founded 2016
  21. 21
    Lob· San Francisco, California, United States
    • Series C
    • 402 employees
    • Founded 2013
  22. 22
    Nitro Software· San Francisco, California, United States
    • Series C
    • 369 employees
    • Founded 2005
  23. 23
    Phantom· San Francisco, California, United States
    • Series C
    • 367 employees
    • Founded 2021
  24. 24
    You.com· San Francisco, California, United States
    • Series C
    • 350 employees
    • Founded 2020
  25. 25
    Fieldwire by Hilti· San Francisco, California, United States
    • Series C
    • 347 employees
    • Founded 2013

Find engineers at Series C Developer tools companies in San Francisco

Searching for “engineers at top Series C Developer tools companies in San Francisco” surfaces this slice of the market. The list above ranks Developer tools companies headquartered in San Francisco whose latest disclosed round is Series C, by current headcount, drawn from public LinkedIn and Crunchbase records. With 107 matching companies in our index, this is a tight read on where the Developer tools talent in San Francisco is heating up.

Three filters at once narrows the field hard. The companies that survive all three — Series C, Developer tools, in San Francisco — are usually the most targeted recruiting pool a hiring manager can ask for. Senior engineers, founding designers, and product leads here are about to become Developer tools’s next operators and angel investors.

Refolk converts this list into a live search. Ask for “senior engineers at Series C Developer tools companies in San Francisco hiring” or “founders of Series C Developer tools companies in San Francisco who left in the last year” and Refolk returns a ranked shortlist with the evidence behind each match.

How this list is built

Refolk pulled Developer tools companies headquartered in San Francisco 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 3 employees. The list refreshes once a day.

Last refreshed: Thu, 07 May 2026 08:21:23 GMT

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