Greg Macwilliam
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Greg Macwilliam Email & Phone Number

Staff Software Engineer at Shopify
Location: Rochester, New York Metropolitan Area, United States 15 work roles 2 schools
1 work email found @shopify.com 2 phones found area 202 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email g****@shopify.com
Direct phone (202) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Staff Software Engineer
Location
Rochester, New York Metropolitan Area, United States
Company size

Who is Greg Macwilliam? Overview

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Quick answer

Greg Macwilliam is listed as Staff Software Engineer at Shopify, a company with 7900 employees, based in Rochester, New York Metropolitan Area, United States. AeroLeads shows a work email signal at shopify.com, phone signal with area code 202, and a matched LinkedIn profile for Greg Macwilliam.

Greg Macwilliam previously worked as Senior Software Engineer at Shopify and Lead Software Engineer at Vox Media, Llc.. Greg Macwilliam holds Bfa, New Media Technology, 3.82 from Rochester Institute Of Technology.

Company email context

Email format at Shopify

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{first}.{last}@shopify.com
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AeroLeads found 1 current-domain work email signal for Greg Macwilliam. Compare company email patterns before reaching out.

Profile bio

About Greg Macwilliam

Greg is primarily focused on backend development and GraphQL API internals. He’s an open-source contributor on several GraphQL stitching/federation projects, and author of The Schema Stitching Handbook.For fun, Greg was among the founding members of the Scryfall team and a co-author of the “What Makes You Tick?” point-and-click adventure game series.

Listed skills include Javascript, Html 5, Css3, Flash, and 22 others.

Current workplace

Greg Macwilliam's current company

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Shopify
Shopify
Staff Software Engineer
ottawa, ontario, canada
Website
Employees
7900
AeroLeads page
15 roles

Greg Macwilliam work experience

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

Staff Software Engineer

Current

- Working on API Foundations team to scale GraphQL, improve its performance, and support it as a corporate discipline.- Led backend development on the Metaobjects platform (custom record types) through to product launch.

Aug 2021 - Present

Senior Software Engineer

Collaborated on the initial launch of the Shopify Markets product for international commerce.

Apr 2021 - Jul 2021

Lead Software Engineer

Chorus GraphQL API, 2020​ – built a distributed service graph that unifies editorial content, static assets, managed videos, and other bespoke resources into one federated API gateway; turning Chorus into a headless publishing platform.Third-party import platform, 2019​ – built a web crawler and media parser used to import customers’ public websites while.

Jun 2018 - Apr 2021

Senior Software Engineer

Audience platform – built a single configurable Ruby/Rails application to serve and skin 400+ branded websites with common application plumbing and components.

Jun 2015 - Jun 2018

Software Engineer

Washington D.C. Metro Area

Analytics platform – built an extensible analytics scaffold atop Google Tag Manager macros that was used to scale analytics metrics consistently across 400+ brand sites.

Aug 2014 - Jun 2015

Adjunct Instructor

Washington, District Of Columbia, United States

Co-instructor for Back-End Web Development (BEWD) evening course teaching Ruby on Rails, and continued to host numerous workshops on campus.

Aug 2014 - Mar 2015

Instructor

Washington D.C. Metro Area

Co-instructed the first Web Development Immersive (WDI) program held in Washington D.C. WDI was a 12-week full time curriculum training students to build web applications using Ruby/Rails and JavaScript.

Mar 2014 - Aug 2014

Frontend Engineer

Cobrain

United States

Established the front­-end development practice for launching a consumer-­driven product recommendation platform.

Nov 2013 - Feb 2014

Web Software Engineer

Washington D.C. Metro Area

Built web experiences for agency clients including the Peace Corps, the National Park Service, and the Brookings Institute. Specialized in interactive multimedia and data visualization features. Other responsibilities included Django and WordPress backends, Objective-C iOS apps, Flash ActionScript3 apps, and technical/UX project planning.

Mar 2007 - Sep 2013

Software Engineer

Lassie Games

Takoma Park, Maryland

Built point-and-click games as a personal side business. Partnered with game designers to create titles including Matthias Kempke’s hit indie classic, "What Makes You Tick?" (2007), and the sequel, "What Makes You Tick: A Stitch in Time" (2010).

Jan 2005 - Jun 2012

Adjunct Instructor

Art Institute Of Washington

Arlington, Virginia

Taught evening courses on programming web media using JavaScript and ActionScript 3.

Jun 2010 - Dec 2011

Multimedia Developer

Frederick, Maryland

Designed and built web multimedia for agency clients including the Baltimore Ravens and AARP Magazine.

Mar 2005 - Nov 2006

Prepress Manager

Merlin Digital Printing Solutions

Rochester, New York Area

Performed digital short-run printing prepress operations. Job involving configuring print layouts, color corrections, and variable data.

Jan 2002 - May 2004

Florida Sea Base, Island Mate

Key West, Florida

Worked summers at this Boy Scout camp leading groups of scouts (8-16 at a time) on week-long adventures to a remote island for a week of snorkeling, fishing, camping, and exploring.

May 2000 - May 2004

Intern

Assisted in the brainstorming, conception, and production of new corporate brand identities and marketing campaigns.

Feb 2001 - May 2002
Team & coworkers

Colleagues at Shopify

Other employees you can reach at shopify.com. View company contacts for 7900 employees →

2 education records

Greg Macwilliam education

FAQ

Frequently asked questions about Greg Macwilliam

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

What company does Greg Macwilliam work for?

Greg Macwilliam works for Shopify.

What is Greg Macwilliam's role at Shopify?

Greg Macwilliam is listed as Staff Software Engineer at Shopify.

What is Greg Macwilliam's email address?

AeroLeads has found 1 work email signal at @shopify.com for Greg Macwilliam at Shopify.

What is Greg Macwilliam's phone number?

AeroLeads has found 2 phone signal(s) with area code 202 for Greg Macwilliam at Shopify.

Where is Greg Macwilliam based?

Greg Macwilliam is based in Rochester, New York Metropolitan Area, United States while working with Shopify.

What companies has Greg Macwilliam worked for?

Greg Macwilliam has worked for Shopify, Vox Media, Llc., Vox Media, Inc., General Assembly, and Cobrain.

Who are Greg Macwilliam's colleagues at Shopify?

Greg Macwilliam's colleagues at Shopify include Alisa Rootsaert, Uzair Ahmad, Islam Abid, Jakori Johnson, and David Ephraim.

How can I contact Greg Macwilliam?

You can use AeroLeads to view verified contact signals for Greg Macwilliam at Shopify, including work email, phone, and LinkedIn data when available.

What schools did Greg Macwilliam attend?

Greg Macwilliam holds Bfa, New Media Technology, 3.82 from Rochester Institute Of Technology.

What skills is Greg Macwilliam known for?

Greg Macwilliam is listed with skills including Javascript, Html 5, Css3, Flash, Actionscript, Ios Development, Php, and User Interface Design.

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