Senior Software Engineer
Current
Nov 2020 - Present
AeroLeads people directory · profile
Mark Castillo Email & Phone Number
Senior Software Engineer, Insurance Benefits at Justworks
at
Justworks
1 work email found
@justworks.com
2 phones found area 718 and 888
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
Senior Software Engineer, Insurance Benefits at Justworks
Location
Queens, New York, United States
Who is Mark Castillo? Overview
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Quick answer
Mark Castillo is listed as Senior Software Engineer, Insurance Benefits at Justworks at Justworks, based in Queens, New York, United States. AeroLeads shows a work email signal at justworks.com, phone signal with area code 718, 888, and a matched LinkedIn profile for Mark Castillo.
Mark Castillo previously worked as Senior Software Engineer at Justworks and Software Engineer III at Justworks. Mark Castillo holds Bachelor Of Science (B.S.), Computer Engineering from New York University - Polytechnic School Of Engineering.
Company email context
Email format at Justworks
This section adds company-level context without repeating Mark Castillo's masked contact details.
{first_initial}{last}@justworks.com
86% confidence
AeroLeads found 1 current-domain work email signal for Mark Castillo. Compare company email patterns before reaching out.
Profile bio
About Mark Castillo
Experienced Software Engineer with a demonstrated history of working with web technologies.
Listed skills include Jquery, Javascript, Php, Jira, and 17 others.
Current workplace
Mark Castillo's current company
Company context helps verify the profile and gives searchers a useful next step.
6 roles
Mark Castillo work experience
A career timeline built from the work history available for this profile.
Software Engineer Iii
Jun 2019 - Nov 2024
Software Engineer Ii
May 2018 - May 2019
Software Engineer Ii (Backend)
May 2017 - Mar 2018
Web Developer
As a member of the www.makerbot.com and store.makerbot.com team I worked on Node.js-based microservices and static site generating tools as part of an effort to transition away from the legacy PHP-based marketing site and e-commerce site. I was also responsible for the updating and maintenance of these legacy properties.
Sep 2015 - Jan 2017
Web Developer
Vivastreet
As a member of the Vivastreet team, I was responsible for updating and maintaining all web-driven aspects of the product which was a PHP-based classified ads site including the REST API, search engine, SEO, analytics, reporting, administrative and moderation tools, mail delivery, and e-commerce.
May 2011 - Sep 2015
1 education record
Mark Castillo education
-
New York University - Polytechnic School Of Engineering
FAQ
Frequently asked questions about Mark Castillo
Quick answers generated from the profile data available on this page.
What company does Mark Castillo work for?
Mark Castillo works for Justworks.
What is Mark Castillo's role at Justworks?
Mark Castillo is listed as Senior Software Engineer, Insurance Benefits at Justworks at Justworks.
What is Mark Castillo's email address?
AeroLeads has found 1 work email signal at @justworks.com for Mark Castillo at Justworks.
What is Mark Castillo's phone number?
AeroLeads has found 2 phone signal(s) with area code 718, 888 for Mark Castillo at Justworks.
Where is Mark Castillo based?
Mark Castillo is based in Queens, New York, United States while working with Justworks.
What companies has Mark Castillo worked for?
Mark Castillo has worked for Justworks, Grovo, Makerbot®, and Vivastreet.
How can I contact Mark Castillo?
You can use AeroLeads to view verified contact signals for Mark Castillo at Justworks, including work email, phone, and LinkedIn data when available.
What schools did Mark Castillo attend?
Mark Castillo holds Bachelor Of Science (B.S.), Computer Engineering from New York University - Polytechnic School Of Engineering.
What skills is Mark Castillo known for?
Mark Castillo is listed with skills including Jquery, Javascript, Php, Jira, Git, Github, Sql, and Node.Js.
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