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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- StageSeries B
- IndustryData infrastructure
- Matches2,374
Built from a search like: “Top Series B Data infrastructure companies”
Ranked by current headcount across Series B Data infrastructure companies. Refreshed daily.
- 1Instagram
More than one billion people around the world use Instagram, and we’re proud to be bringing them closer to the people and things they love. Instagram inspires people to see the world differently, discover new interests, and express themselves.Since launching in 2010, our community has grown at a rapid pace. Our teams are growing fast, too, and we’re looking for talent across engineering, product management, design, research, analytics, technical program management, operations, and more. In addition to our headquarters in Menlo Park, we have thriving offices in New York City and San Francisco where teams are doing impactful work every day.
- Series B
- 58k employees
- Founded 2010
- 2Railway· San Francisco, California, United States
Railway’s mission is to build the cloud computing stack that unburdens you, so you can focus more on what matters to you.
- Series B
- 11.2k employees
- Founded 2020
- 3Evolution· Birkirkara, Malta
Evolution is a world-leading innovator in product development and advanced IT solutions for online casinos.We are a multinational B2B product and service provider with an extensive track record of number 1s and are always looking for great people to help us create the next big product hit. Founded in 2006, we’ve grown to a diverse group of 22,000 people guided by our values: ALIVE, do RIGHT, and work TOGETHER.Our teams create our product concepts, develop the software, integrate the product with the operators’ interface, and deliver both the technical solutions and the staff required for the operators to offer online slots and live casino 24/7/365 on mobile, tablet, or desktop. We also build our studios and interiors.Evolution AB (publ) is listed on Nasdaq Stockholm.Please read our Privacy and Cookies policies below before submitting any personal data to us: https://www.evolution.com/privacy-policy & https://www.evolution.com/cookies-policyFollowers must be 18+. https://www.begambleaware.org/ Please gamble responsibly. 🔞 Evolution is licensed and regulated by the Malta Gaming Authority under licence MGA/CRP/187/2010. Evolution is also licensed and regulated in many other jurisdictions such as the United Kingdom, Belgium, Canada, Romania, South Africa, and others.
- Series B
- 9.4k employees
- Founded 2006
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- 4Datavant· New York, New York, United States
Datavant is the data collaboration platform trusted for healthcare. With a mission to make the world’s health data secure, accessible, and actionable, Datavant works with payers, providers, life sciences, legal and insurance clients globally to accelerate insights. Datavant enables more than 60 million healthcare records to move between thousands of organizations across the healthcare ecosystem, more than 80,000 hospitals and clinics, 75% of the 100 largest health systems, and 350+ real-world data partners. Datavant has office locations in Boston, New York and San Diego, with international offices in Barcelona and Galway. To learn more about Datavant, visit datavant.com and follow us on LinkedIn.
- Series B
- 7.3k employees
- Founded 2014
- 5GitHub· San Francisco, California, United States
As the global home for all developers, GitHub is the complete AI-powered developer platform to build, scale, and deliver secure software. Over 100 million people, including developers from 90 of the Fortune 100 companies, use GitHub to build amazing things together across 330+ million repositories. With all the collaborative features of GitHub, it has never been easier for individuals and teams to write faster, better code.
- Series B
- 6.7k employees
- Founded 2008
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 2,374 matching 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.
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Last refreshed: Wed, 05 Aug 2026 15:18:35 GMT
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Related lists
- Series A Data infrastructure
- Series B AI
- Series B SaaS
- Series B Fintech
- Series B Developer tools
- Series B Cybersecurity
- Series B Healthtech
- Series B Biotech
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How is this ranking built?
The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.
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