EFEX

efexpay.com

financial services

efexpay.com

Menlo Park, California, United States

11-50 employees

LinkedIn Profile

About EFEX

crossborder payments, payments, invoicing, reconciliation, currencies, financial services

EFEX's Tech Stack

AI/ML

Mobile

Android

React Native

Cloud

Render

Database

Snowflake

Decision Makers at EFEX

1 contact

Carlos Mata Franco

Head of Engineering

c***@efexpay.com Sign up to view

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22 technologies detected · 1 decision maker · Emails available

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.

EFEX's Position in the StackWho Database

• EFEX is 1 of 21,667 financial services companies tracked in StackWho.
• 21,586 financial services companies in our database have verified decision-maker emails (100% of the cohort).
• 53,147 companies in California are in the StackWho database.
• 7,667 financial services companies are in the 11-50 employee range (same size as EFEX).

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 EFEX use?

EFEX uses Cloudflare DNS, Gmail, Google Apps, CloudFlare Hosting, Route 53, GoDaddy Hosting, and 16 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at EFEX?

StackWho has verified email addresses for 1 decision maker at EFEX. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach EFEX directly for sales, recruiting, or partnerships.

What industry is EFEX in?

EFEX operates in the financial services industry, headquartered in Menlo Park, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export EFEX's contact data?

Yes. StackWho Pro members can export decision maker contact data for EFEX and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.