John Mccaskey
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John Mccaskey Email & Phone Number

Principal Software Engineer at Valve
Location: Greater Seattle Area, United States, United States 3 work roles 1 school
1 work email found @valvesoftware.com 3 phones found area 724 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 3 phones

Work email j****@valvesoftware.com
Direct phone (724) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Valve
Role
Principal Software Engineer
Location
Greater Seattle Area, United States, United States
Company size
261 employees

Who is John Mccaskey? Overview

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Quick answer

John Mccaskey is listed as Principal Software Engineer at Valve, a company with 261 employees, based in Greater Seattle Area, United States, United States. AeroLeads shows a work email signal at valvesoftware.com, phone signal with area code 724, and a matched LinkedIn profile for John Mccaskey.

John Mccaskey previously worked as Sr. Software Development Engineer at Klir Technologies. John Mccaskey holds Bs, Computer Science from Seattle Pacific University.

Company email context

Email format at Valve

This section adds company-level context without repeating John Mccaskey's masked contact details.

{first_initial}{last}@valvesoftware.com
86% confidence

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

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Profile bio

About John Mccaskey

I'm an experienced full stack engineer interested in solving big problems and making users lives better. I have a broad range of experience which includes leading major projects, building and designing high scale distributed systems, and working on both native and web based user interfaces.I'm most happy when I can simultaneously act as a major individual contributor and as a leader helping drive product design and direction.Specialties: C++, SQL, Distributed Systems, Networking, UI, Usability, Web Development, Direct3D, OpenGL, React, PHP, TypeScript, JavaScript, CSS, HTML, Python, C#, Linux, Windows

Listed skills include Software Development, Xml, C++, Python, and 14 others.

Current workplace

John Mccaskey's current company

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

Valve
Valve
Principal Software Engineer
Kirkland, WA, US
Website
valve.fi
Employees
261
AeroLeads page
Company profile
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3 roles

John Mccaskey work experience

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

Principal Software Engineer

Valve

Kirkland, WA, US

Principal Software Engineer

Current
Valve

Bellevue, WA, US

At Valve I'm a recognized senior leader on the Steam team. My primary work is as an individual contributor working mostly in C++, TypeScript, and PHP on a variety of Steam related projects. Engineers at Valve also take on roles including Product Management, Architecture, Design, and Team Leadership and I have experience in all these areas. I have been a.

Sep 2006 - Present

Sr. Software Development Engineer

Klir Technologies

US

At Klir I was responsible for development of all of the back-end systems which allowed us to provide a hosted solution for distributed network monitoring for clients around the globe. This backend work involved a large amount of C++ coding, Linux/Unix knowledge, systems level programming, multithreading, SQL, and client/server development. In addition to.

Jan 2003 - Aug 2006
Team & coworkers

Colleagues at Valve

Other employees you can reach at valve.fi. View company contacts for 261 employees →

YS Yasha Sri Yasha Sri Colleague at ValveIndia, India View → RP Renz Pameruyan Renz Pameruyan Colleague at ValvePhilippines, Philippines View → JJ John Jones John Jones Colleague at ValveGreater Sydney Area, Australia View → NL Nathaniel Llido Hamot Nathaniel Llido Hamot Colleague at ValveNorthern Mindanao, Philippines, Philippines View → RM Rj Manahan Rj Manahan Colleague at ValveCentral Luzon, Philippines, Philippines View → JB Janec Bachmann Janec Bachmann Colleague at ValveKerava, Uusimaa, Finland, Finland View → ZY Zhen Yu Zhen Yu Colleague at ValveSingapore, Singapore View → RR Reymond Redillo Reymond Redillo Colleague at ValveNorthern Mindanao, Philippines, Philippines View → MM Matias Metsänen Matias Metsänen Colleague at ValveFinland, Finland View → MD Maria D'Alte Maria D'Alte Colleague at ValveFinland, Finland View →
1 education record

John Mccaskey education

  • Seattle Pacific University
    Seattle Pacific University
    Computer Science
FAQ

Frequently asked questions about John Mccaskey

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

What company does John Mccaskey work for?

John Mccaskey works for Valve.

What is John Mccaskey's role at Valve?

John Mccaskey is listed as Principal Software Engineer at Valve.

What is John Mccaskey's email address?

AeroLeads has found 1 work email signal at @valvesoftware.com for John Mccaskey at Valve.

What is John Mccaskey's phone number?

AeroLeads has found 3 phone signal(s) with area code 724 for John Mccaskey at Valve.

Where is John Mccaskey based?

John Mccaskey is based in Greater Seattle Area, United States, United States while working with Valve.

What companies has John Mccaskey worked for?

John Mccaskey has worked for Valve and Klir Technologies.

Who are John Mccaskey's colleagues at Valve?

John Mccaskey's colleagues at Valve include Yasha Sri, Renz Pameruyan, John Jones, Nathaniel Llido Hamot, and Rj Manahan.

How can I contact John Mccaskey?

You can use AeroLeads to view verified contact signals for John Mccaskey at Valve, including work email, phone, and LinkedIn data when available.

What schools did John Mccaskey attend?

John Mccaskey holds Bs, Computer Science from Seattle Pacific University.

What skills is John Mccaskey known for?

John Mccaskey is listed with skills including Software Development, Xml, C++, Python, Ajax, Linux, Javascript, and Php.

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