About Square
software, mobile payments, embedded hardware & software, local commerce, mobile, information technology, software development, merchant ecosystem, inventory management, customer loyalty, b2c, sales analytics, customer retention, sales reporting, financial services, software integration, payment terminals, online store, e-commerce, loyalty programs
Square's Tech Stack
Other
Marketing
Payment
Sales Outreach Angle
Square is a technology company. Software vendors, dev tools, and SaaS platforms find technology companies like this highly receptive. Use StackWho to identify the right decision-maker (CTO, VP Eng, or Head of Product) and reach out with a stack-specific pitch.
Square's Position in the StackWho Database
- • Square is 1 of 194,140 information technology & services companies tracked in StackWho.
- • 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
- • 53,147 companies in California are in the StackWho database.
- • 1,663 information technology & services companies are in the 1001-5000 employee range (same size as Square).
Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.
Frequently Asked Questions
What technology does Square use?
Square uses Route 53, Gmail, Google Apps, Microsoft Office 365, CloudFlare Hosting, Ember JS Library, and 7 more technologies. This data is sourced from StackWho's technology detection engine.
How do I contact the decision makers at Square?
StackWho has verified email addresses for 113 decision makers at Square. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Square directly for sales, recruiting, or partnerships.
What industry is Square in?
Square operates in the information technology & services industry, headquartered in San Francisco, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.
Can I export Square's contact data?
Yes. StackWho Pro members can export decision maker contact data for Square and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.
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Anil Umarji
Engineering manager - Quality
Chris Tung
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Jessica Gray
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Paul Hulett
Engineering Manager
Florencia Snider
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Lisha He
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Joel Levin
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Michael Puncel
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Curtis Wetherly
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Alex Shearer
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Richa Dubey
Senior Engineering Manager
Victor Chin
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Tilo Mitra
Head of Engineering, Point of Sale and Dashboard Foundations
Ryan O'Neill
Engineering Manager
Latha Swarna
Engineering Manager at Square
Bennett Sorbo
Engineering Manager
Kunal Bhatt
Engineering Manager - Food and Beverage
Adam Miller
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Patrick Khensovan
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Yinian Qi
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Michael Lintorn-Catlin
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Igor Lev
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