About Fiserv
financial services, payments, risk & compliance, mobile banking, online banking, core banking, customer, channel management, business insights, optimization, processing services, lending solutions, finance technology, finance, it services & it consulting, banking security protocols, real-time payment processing, digital banking apis, digital transaction management, mobile payment solutions
Fiserv's Tech Stack
Other
CMS
Analytics
Frontend
Backend
AI/ML
Sales Outreach Angle
React-based front-ends indicate a modern web engineering stack. Developer tools, component libraries, testing frameworks, and design systems are relevant sales angles.
Fiserv's Position in the StackWho Database
- • Fiserv 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).
- • 3,194 companies in Wisconsin are in the StackWho database.
- • 333 information technology & services companies are in the 10001+ employee range (same size as Fiserv).
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 Fiserv use?
Fiserv uses NSOne, Microsoft Office 365, DemandBase, Brightcove, Drupal, UptimeRobot, and 34 more technologies. This data is sourced from StackWho's technology detection engine.
How do I contact the decision makers at Fiserv?
StackWho has verified email addresses for 168 decision makers at Fiserv. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Fiserv directly for sales, recruiting, or partnerships.
What industry is Fiserv in?
Fiserv operates in the information technology & services industry, headquartered in Milwaukee, Wisconsin, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.
Can I export Fiserv's contact data?
Yes. StackWho Pro members can export decision maker contact data for Fiserv 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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