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Top Developer tools companies in New York

IDEs, runtimes, frameworks, and platforms built primarily for engineers. Filtered to companies headquartered in New York.

Built from a search like: “Top Developer tools companies in New York”

Ranked by current headcount across Developer tools companies headquartered in New York. Refreshed daily.

  1. 1
    Fiverr· New York, Iowa, United States
    • Series E
    • 220k employees
    • Founded 2010
  2. 2
    Nielsen· New York, New York, United States
    • Debt
    • 29.1k employees
  3. 3
    Infor· New York, New York, United States
    • Private equity
    • 22.3k employees
    • Founded 2002
  4. 4
    Café (YC S21)· New York, New York, United States
    • Pre-seed
    • 12k employees
    • Founded 2020
  5. 5
    Datadog· New York, New York, United States
    • Post-IPO debt
    • 9.8k employees
    • Founded 2010
  6. 6
    Yahoo· New York, New York, United States
    • 9.7k employees
    • Founded 1994
  7. 7
    Etsy· Brooklyn, New York, United States
    • Post-IPO debt
    • 9.3k employees
    • Founded 2005
  8. 8
    DataAnnotation· New York, New York, United States
    • 8.3k employees
  9. 9
    MongoDB· New York, New York, United States
    • Post-IPO equity
    • 7.7k employees
    • Founded 2007
  10. 10
    Data Entry Job (Remote Job)· New York, New York, United States
    • 7.5k employees
  11. 11
    Ness Digital Engineering· New York, New York, United States
    • 6.5k employees
    • Founded 1999
  12. 12
    Fever· New York, New York, United States
    • Private equity
    • 5.3k employees
    • Founded 2014
  13. 13
    UiPath· New York, New York, United States
    • Post-IPO equity
    • 5.1k employees
    • Founded 2005
  14. 14
    Rockstar Games· New York, New York, United States
    • 5k employees
    • Founded 1998
  15. 15
    Invisible Technologies· New York, New York, United States
    • Series unknown
    • 5k employees
    • Founded 2015
  16. 16
    Astronomer· New York, New York, United States
    • Series D
    • 4.6k employees
    • Founded 2018
  17. 17
    Sprinklr· New York, New York, United States
    • Private equity
    • 4.4k employees
    • Founded 2009
  18. 18
    Verint· Melville, New York, United States
    • Post-IPO equity
    • 4.3k employees
    • Founded 1994
  19. 19
    Celonis· New York, New York, United States
    • Secondary
    • 3.8k employees
    • Founded 2011
  20. 20
    AOL· New York, New York, United States
    • Corporate
    • 3.5k employees
  21. 21
    AlphaSense· New York, New York, United States
    • Series F
    • 2.9k employees
    • Founded 2008
  22. 22
    Diligent· New York, New York, United States
    • Private equity
    • 2.9k employees
    • Founded 2001
  23. 23
    Zeta Global· New York, New York, United States
    • Post-IPO equity
    • 2.8k employees
    • Founded 2007
  24. 24
    Varonis· New York, New York, United States
    • Post-IPO debt
    • 2.7k employees
    • Founded 2005
  25. 25
    IAC· New York, New York, United States
    • 2.7k employees
    • Founded 1995

Find engineers at Developer tools companies in New York

New York has long been a hub for Developer tools, and the list above ranks the largest Developer tools companies headquartered there by current headcount, drawn from public LinkedIn and Crunchbase records. With 2,842 matching companies in our index, this is a good map of where the Developer tools talent in New Yorklives — useful whether you’re recruiting, partnering, or sizing a market.

The biggest Developer tools companies in New York tend to be the gravitational centres for specialised talent — senior engineers, ML researchers, applied scientists, designers — while the smaller ones compete on speed, equity, and proximity to founders.

Refolk converts this list into a live search. Ask for “Developer tools engineers in New Yorkhiring senior staff” or “founders of Developer tools companies in New Yorkwho left in the last 12 months” and Refolk returns a ranked shortlist with the evidence that earned each person a spot.

How this list is built

Refolk pulled Developer tools companies headquartered in New York from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 10 employees. The list refreshes once a day.

Last refreshed: Thu, 07 May 2026 07:55:32 GMT

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