Mason Clemmensen
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Mason Clemmensen Email & Phone Number

Software Developer at Five9 at Five9
Location: Houston, Texas, United States 4 work roles 1 school
1 work email found @usaa.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email m****@usaa.com
LinkedIn Profile matched
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Current company
Five9
Role
Software Developer at Five9
Location
Houston, Texas, United States
Company size
1256 employees

Who is Mason Clemmensen? Overview

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Quick answer

Mason Clemmensen is listed as Software Developer at Five9 at Five9, a company with 1256 employees, based in Houston, Texas, United States. AeroLeads shows a work email signal at usaa.com and a matched LinkedIn profile for Mason Clemmensen.

Mason Clemmensen previously worked as Software Developer at Five9 and Software Engineer II at Usaa. Mason Clemmensen holds Computer Science from Texas A&M University.

Company email context

Email format at Five9

This section adds company-level context without repeating Mason Clemmensen's masked contact details.

{first}.{last}@usaa.com
86% confidence

AeroLeads found 1 current-domain work email signal for Mason Clemmensen. Compare company email patterns before reaching out.

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Profile bio

About Mason Clemmensen

I'm as selective about my coffee, as I am with my code.

Listed skills include Python, Microsoft Office, Java, Css, and 7 others.

Current workplace

Mason Clemmensen's current company

Company context helps verify the profile and gives searchers a useful next step.

Five9
Five9
Software Developer at Five9
san ramon, california, united states
Website
five9.com
Employees
1256
AeroLeads page
Company profile
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4 roles

Mason Clemmensen work experience

A career timeline built from the work history available for this profile.

Software Developer

Current
Five9
Jun 2023 - Present

Software Engineer Ii

Usaa
  • Designs, builds, and maintain an internal security scanning tool through Full-Stack development:
  • Automates aggregation of applications and their SAST, DAST, and penetration testing results
  • Enables the business to create a SAST scan on internal applications
  • Facilitates the business staying on track with compliance needs
  • Full-Stack Development (Agile workflow)
  • Java (Springboot and JAX-RS), MSSQL, React-Redux
Sep 2019 - Jun 2023

Resident Advisor

Texas A&M University

Bryan/College Station, Texas Area

  • Mediates conflicts between residents
  • Educates residents by creating and hosting programs that discuss important concepts such as good study habits, how to take tests, and how to eat well with the intention of helping the residents become better students
  • Maintains a safe living environment for all residents in the residence hall
Aug 2016 - May 2019

Technology Intern

Aig
  • Implemented testing automation in a DevOps environment using Unified Functional Testing
  • Actively collaborated with both developers and testers to continually update the testing automation
Jun 2018 - Aug 2018
Team & coworkers

Colleagues at Five9

Other employees you can reach at five9.com. View company contacts for 1256 employees →

RM Renato Mateus Renato Mateus Colleague at Five9 Porto, Porto, Portugal, Portugal View → TT Tony Trentacosti Tony Trentacosti Colleague at Five9 San Francisco, California, United States, United States View → PV Paula V. Paula V. Colleague at Five9 Calabarzon, Philippines, Philippines View → JD Jim Doran Jim Doran Colleague at Five9 Los Altos, California, United States, United States View → NS Natalie Schwartz Natalie Schwartz Colleague at Five9 Bixby, Oklahoma, United States, United States View → AK Allen Kuhlman Allen Kuhlman Colleague at Five9 Melbourne, Victoria, Australia, Australia View → CM Casey Mccloskey Casey Mccloskey Colleague at Five9 United States, United States View → DB David Bloom David Bloom Colleague at Five9 Wellington, Florida, United States, United States View → ED Emily Daikoku Emily Daikoku Colleague at Five9 San Francisco Bay Area, United States, United States View → BM Bryan Mccloud Bryan Mccloud Colleague at Five9 Johnson City, Tennessee, United States, United States View →
1 education record

Mason Clemmensen education

FAQ

Frequently asked questions about Mason Clemmensen

Quick answers generated from the profile data available on this page.

What company does Mason Clemmensen work for?

Mason Clemmensen works for Five9.

What is Mason Clemmensen's role at Five9?

Mason Clemmensen is listed as Software Developer at Five9 at Five9.

What is Mason Clemmensen's email address?

AeroLeads has found 1 work email signal at @usaa.com for Mason Clemmensen at Five9.

Where is Mason Clemmensen based?

Mason Clemmensen is based in Houston, Texas, United States while working with Five9.

What companies has Mason Clemmensen worked for?

Mason Clemmensen has worked for Five9, Usaa, Texas A&M University, and Aig.

Who are Mason Clemmensen's colleagues at Five9?

Mason Clemmensen's colleagues at Five9 include Renato Mateus, Tony Trentacosti, Paula V., Jim Doran, and Natalie Schwartz.

How can I contact Mason Clemmensen?

You can use AeroLeads to view verified contact signals for Mason Clemmensen at Five9, including work email, phone, and LinkedIn data when available.

What schools did Mason Clemmensen attend?

Mason Clemmensen holds Computer Science from Texas A&M University.

What skills is Mason Clemmensen known for?

Mason Clemmensen is listed with skills including Python, Microsoft Office, Java, Css, R, Microsoft Excel, Javascript, and C++.

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