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Top Developer tools companies in San Francisco

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

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

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

  1. 1
    Upwork· San Francisco, California, United States
    • Series unknown
    • 170.3k employees
    • Founded 2015
  2. 2
    Salesforce· San Francisco, California, United States
    • Post-IPO debt
    • 86.3k employees
  3. 3
    DoorDash· San Francisco, California, United States
    • Post-IPO debt
    • 80.7k employees
    • Founded 2013
  4. 4
    Airbnb· San Francisco, California, United States
    • Post-IPO debt
    • 68.6k employees
    • Founded 2007
  5. 5
    Instacart· San Francisco, California, United States
    • Private equity
    • 24.8k employees
    • Founded 2012
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Find engineers at Developer tools companies in San Francisco

San Francisco 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 2,524 matching companies in our index, this is a good map of where the Developer tools talent in San Franciscolives - useful whether you’re recruiting, partnering, or sizing a market.

The biggest Developer tools companies in San Francisco 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 San Franciscohiring senior staff” or “founders of Developer tools companies in San Franciscowho 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 San Francisco 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: Sun, 21 Jun 2026 09:14:31 GMT

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