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Series A Data infrastructure companies in San Francisco

Databases, warehouses, lakes, pipelines, and observability for production data. Filtered to Series A-stage companies headquartered in San Francisco.

Built from a search like: Top Series A Data infrastructure companies in San Francisco

Ranked by current headcount across Series A Data infrastructure companies in San Francisco. Refreshed daily.

  1. 1
    Gusto· San Francisco, California, United States
    • Series A
    • 4.4k employees
    • Founded 2011
  2. 2
    micro1· San Francisco Bay Area
    • Series A
    • 4.1k employees
    • Founded 2022
  3. 3
    Anything· San Francisco, California, United States
    • Series A
    • 2k employees
    • Founded 2021
  4. 4
    Kaggle· San Francisco, California, United States
    • Series A
    • 1.5k employees
    • Founded 2010
  5. 5
    Jasper· San Francisco, California, United States
    • Series A
    • 1k employees
    • Founded 2020
  6. 6
    Own is now Instore; please connect to us at our Instore page· San Francisco, California, United States
    • Series A
    • 842 employees
    • Founded 2009
  7. 7
    Woflow· San Francisco, California, United States
    • Series A
    • 609 employees
    • Founded 2017
  8. 8
    Printify· San Francisco, Minnesota, United States
    • Series A
    • 589 employees
    • Founded 2015
  9. 9
    Humand· San Francisco, California, United States
    • Series A
    • 548 employees
    • Founded 2019
  10. 10
    Be My Eyes· San Francisco, California, United States
    • Series A
    • 362 employees
    • Founded 2012
  11. 11
    Beyond· San Francisco, California, United States
    • Series A
    • 299 employees
    • Founded 2013
  12. 12
    ChangeEngine· San Francisco, California, United States
    • Series A
    • 294 employees
    • Founded 2021
  13. 13
    Tailor· San Francisco, California, United States
    • Series A
    • 248 employees
    • Founded 2021
  14. 14
    Nexus· San Francisco, California, United States
    • Series A
    • 241 employees
    • Founded 2022
  15. 15
    Testsigma· San Francisco, California, United States
    • Series A
    • 239 employees
    • Founded 2019
  16. 16
    interface.ai· San Francisco, California, United States
    • Series A
    • 231 employees
    • Founded 2019
  17. 17
    Truora Inc.· San Francisco, California, United States
    • Series A
    • 221 employees
    • Founded 2018
  18. 18
    SecurityPal AI· San Francisco, California, United States
    • Series A
    • 214 employees
    • Founded 2020
  19. 19
    Ema· San Francisco, California, United States
    • Series A
    • 209 employees
    • Founded 2023
  20. 20
    Fathom.ai· San Francisco, California, United States
    • Series A
    • 175 employees
    • Founded 2020
  21. 21
    Elucidata· San Francisco, California, United States
    • Series A
    • 173 employees
    • Founded 2015
  22. 22
    nOps· San Francisco, California, United States
    • Series A
    • 170 employees
    • Founded 2017
  23. 23
    Instaleap· San Francisco, California, United States
    • Series A
    • 170 employees
    • Founded 2019
  24. 24
    Nue.io· San Francisco, California, United States
    • Series A
    • 169 employees
    • Founded 2019
  25. 25
    BLACKBOX.AI· San Francisco, California, United States
    • Series A
    • 169 employees
    • Founded 2018

Find engineers at Series A Data infrastructure companies in San Francisco

Searching for “engineers at top Series A Data infrastructure companies in San Francisco” surfaces this slice of the market. The list above ranks Data infrastructure companies headquartered in San Francisco whose latest disclosed round is Series A, by current headcount, drawn from public LinkedIn and Crunchbase records. With 406 matching companies in our index, this is a tight read on where the Data infrastructure talent in San Francisco is heating up.

Three filters at once narrows the field hard. The companies that survive all three — Series A, Data infrastructure, 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 Data infrastructure’s next operators and angel investors.

Refolk converts this list into a live search. Ask for “senior engineers at Series A Data infrastructure companies in San Francisco hiring” or “founders of Series A Data infrastructure 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 Data infrastructure companies headquartered in San Francisco whose latest disclosed funding round is Series A 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 08:38:47 GMT

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