Staff Software Engineer
Current
Mar 2023 - Present
AeroLeads people directory · profile
Matthew Costabile Email & Phone Number
Staff Software Engineer, Web Systems @ GitHub
at
GitHub
1 work email found
@github.com
3 phones found area 914 and 860
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 100%
Current company
Role
Staff Software Engineer, Web Systems @ GitHub
Location
New York, United States
Company size
Who is Matthew Costabile? Overview
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Quick answer
Matthew Costabile is listed as Staff Software Engineer, Web Systems @ GitHub at GitHub, a with 501 employees, based in New York, United States. AeroLeads shows a work email signal at github.com, phone signal with area code 914, 860, and a matched LinkedIn profile for Matthew Costabile.
Matthew Costabile previously worked as Staff Software Engineer at Github and Senior Software Engineer at Github. Matthew Costabile holds Bachelors Of Arts, Economics from Hunter College.
Company email context
Email format at GitHub
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{first}{last}@github.com
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AeroLeads found 1 current-domain work email signal for Matthew Costabile. Compare company email patterns before reaching out.
Profile bio
About Matthew Costabile
Matthew Costabile is a Staff Software Engineer, Web Systems @ GitHub at GitHub. He possess expertise in legal research, legal writing, research, microsoft office, microsoft excel and 42 more skills. Colleagues describe him as "Extremely knowledgeable, creative, detail oriented, passionate about his work and would be an asset to any organization. He is a self starter that can work independently but also as part of high functioning team. I recommend him with our reservation." and "Matthew was amongst my best Object Orientation (C++) students. He was disciplined at deliveryng work assignment. Effective at producing results and he made sure his participation in class was useful and positively for the group dynamics. Although our interaction was limited to a school environment I am certain that his personal qualities extend into the professional arena and do recommend him."
Listed skills include Legal Research, Legal Writing, Research, Microsoft Office, and 43 others.
Current workplace
Matthew Costabile's current company
Company context helps verify the profile and gives searchers a useful next step.
Github
10 roles
Matthew Costabile work experience
A career timeline built from the work history available for this profile.
Senior Software Engineer
Apr 2021 - Mar 2023
Lead Software Engineer - Client Facing Technologies
Brace
Jan 2019 - Apr 2021
Software Engineer
Apr 2018 - Dec 2018
Full Stack Engineer
Improve usability and performance of React and Altjs based front end app, through significant code refactoring, build pipeline updates and distribution updates. Design refinements to ensure a mobile friendly intuitive interface.API and process re-architecture to improve scalability.Database redesign to facilitate ease of development and improve data flow between api and app
Nov 2017 - Apr 2018
Photographer
Matthew Costabile Photographer
Freelance photographer, based in NY. Specializing in Portrait, Headshot, Travel and Journalistic/Street Photography
Jan 2010 - Apr 2018
Full Stack Engineer
Lead development on 3 fully featured react/redux single page apps, designed client integration system.Re-architected database schema to improve product scalability. Architected and implemented improvements in code and ops pipeline to ensure a good user experience on all devices and connections. Re-architected express based server to ensure efficiency and scalability, as well as streamlining the codebase while providing a pathway for further optimizations
Nov 2016 - Nov 2017
Freelance Web Developer
Jun 2016 - Nov 2016
Associate Software Developer
Designed, architected and developed enrollment and administrative tools for admin use, as well as front-end client facing features integrating various apis, while maintaining best-practices. Trained and mentored Web Development Fellows, through the school’s fellowship program.Developed and refined curricula for NYCDA courses from beginner to intermediate level.
Dec 2015 - Jun 2016
Legal Assistant
Desmarais Llp
Mentored Junior Legal Assistants, providing support and instruction on all aspectsof case management, as well as on a project-by-project basis. Managed all aspects of multiple cases from pre-complaint through trial for multiplecases. Responsible for discovery, pleadings, correspondence, expert reports, trialpreparation and in-court trial support for complex patent infringement cases. Worked with attorneys including senior partners to prepare materials for, andprovide support, as well as assistance in filing briefs, creating exhibits, research,discovery, document production, creating trial exhibit lists. Lead peers in hours consistently since starting. Over 3500 hours in billing fromJanuary 1st 2013 – December 31st 2013. Lead paralegal team in preparing for and through trial. Member of 3 other trialteams between October 2012 and (upcoming trials through) May 2013.o Successfully defended Cisco Systems Inc. from over $250 million inrequested damages. VirnetX v. Cisco (ED Texas, 2013). Jury found noninfringementon all claims.
Jun 2010 - Jul 2015
Team & coworkers
Colleagues at GitHub
Other employees you can reach at github.com. View company contacts for 501 employees →
SE
Steve Eisenhour
Colleague at GithubCedar Park, Texas, United States
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KK
Kenny Keyz
Colleague at GithubCincinnati, Ohio, United States
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DS
Devendra Sagar
Colleague at GithubBakshi Ka Talab, Uttar Pradesh, India
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AD
Analog Digital
Colleague at GithubIran, Islamic Republic Of
View →
JL
Jenny Ly
Colleague at GithubCharlotte, North Carolina, United States
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BO
Bethel Osahon
Colleague at GithubNigeria
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EE
Erik Espenberg
Colleague at GithubBronx, New York, United States
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RK
Rachel Kloster
Colleague at GithubSeattle, Washington, United States
View →
JC
Joe C.
Colleague at GithubPortland, Oregon, United States
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HD
Heather Dixon
Colleague at GithubLittle River, South Carolina, United States
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Steve Eisenhour
Colleague at GithubCedar Park, Texas, United States
View →
KK
Kenny Keyz
Colleague at GithubCincinnati, Ohio, United States
View →
DS
Devendra Sagar
Colleague at GithubBakshi Ka Talab, Uttar Pradesh, India
View →
AD
Analog Digital
Colleague at GithubIran, Islamic Republic Of
View →
JL
Jenny Ly
Colleague at GithubCharlotte, North Carolina, United States
View →
BO
Bethel Osahon
Colleague at GithubNigeria
View →
EE
Erik Espenberg
Colleague at GithubBronx, New York, United States
View →
RK
Rachel Kloster
Colleague at GithubSeattle, Washington, United States
View →
JC
Joe C.
Colleague at GithubPortland, Oregon, United States
View →
HD
Heather Dixon
Colleague at GithubLittle River, South Carolina, United States
View →
2 education records
Matthew Costabile education
Bachelors Of Arts, Economics
Hunter College
Certificate, Full Stack Web Development
New York Code + Design Academy
FAQ
Frequently asked questions about Matthew Costabile
Quick answers generated from the profile data available on this page.
What company does Matthew Costabile work for?
Matthew Costabile works for GitHub.
What is Matthew Costabile's role at GitHub?
Matthew Costabile is listed as Staff Software Engineer, Web Systems @ GitHub at GitHub.
What is Matthew Costabile's email address?
AeroLeads has found 1 work email signal at @github.com for Matthew Costabile at GitHub.
What is Matthew Costabile's phone number?
AeroLeads has found 3 phone signal(s) with area code 914, 860 for Matthew Costabile at GitHub.
Where is Matthew Costabile based?
Matthew Costabile is based in New York, United States while working with GitHub.
What companies has Matthew Costabile worked for?
Matthew Costabile has worked for Github, Brace, United Technologies, The Social Edge, and Matthew Costabile Photographer.
Who are Matthew Costabile's colleagues at GitHub?
Matthew Costabile's colleagues at GitHub include Steve Eisenhour, Kenny Keyz, Devendra Sagar, Analog Digital, and Jenny Ly.
How can I contact Matthew Costabile?
You can use AeroLeads to view verified contact signals for Matthew Costabile at GitHub, including work email, phone, and LinkedIn data when available.
What schools did Matthew Costabile attend?
Matthew Costabile holds Bachelors Of Arts, Economics from Hunter College.
What skills is Matthew Costabile known for?
Matthew Costabile is listed with skills including Legal Research, Legal Writing, Research, Microsoft Office, Microsoft Excel, Legal Assistance, Management, and Litigation.
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