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Top Series B Data infrastructure companies

Databases, warehouses, lakes, pipelines, and observability for production data. Filtered to companies whose latest disclosed round is Series B.

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Built from a search like: “Top Series B Data infrastructure companies”

Ranked by current headcount across Series B Data infrastructure companies. Refreshed daily.

  1. 1
    Instagram
    • Series B
    • 53.3k employees
    • Founded 2010
  2. 2
    Railway· San Francisco, California, United States
    • Series B
    • 11k employees
    • Founded 2020
  3. 3
    Evolution· Birkirkara, Malta
    • Series B
    • 9.3k employees
    • Founded 2006
  4. 4
    Datavant· New York, New York, United States
    • Series B
    • 7.1k employees
    • Founded 2014
  5. 5
    Shipt· Birmingham, Alabama, United States
    • Series B
    • 6.5k employees
    • Founded 2014
Reveal 2,442 more·100 free credits, no card

Find engineers and founders at Series B Data infrastructure companies

Series B Data infrastructure companies are some of the most active hirers in the market. The list above ranks the largest Data infrastructure companies whose latest disclosed round is Series B, by current headcount, drawn from public LinkedIn and Crunchbase records. Across 2,447matching companies, you’ll find senior engineers, founding designers, and operators worth tracking.

Companies at this stage in Data infrastructure 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 Data infrastructure talent is concentrating right now.

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

How this list is built

Refolk pulled Data infrastructure companies whose latest disclosed funding round is Series B 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 06:27:21 GMT

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