Lead Software Engineer
CurrentPeople and technical Lead on the Dragon Flight Software team, responsible for ensuring we deliver safe, reliable software to fly our Crew Dragon 2 and Cargo Dragon 2 vehicles.
Nov 2021 - Present
AeroLeads people directory · profile
Jon Kessler Email & Phone Number
Lead Software Engineer
at
SpaceX
2 work emails found
@spacex.com
8 phones found area 847, 805, and 866
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Current company
Role
Lead Software Engineer
Location
Redondo Beach, California, United States
Who is Jon Kessler? Overview
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Quick answer
Jon Kessler is listed as Lead Software Engineer at SpaceX, based in Redondo Beach, California, United States. AeroLeads shows a work email signal at spacex.com, phone signal with area code 847, 805, 866, and a matched LinkedIn profile for Jon Kessler.
Jon Kessler previously worked as Software Engineer II at Spacex and Full Stack Software Engineer at Spacex. Jon Kessler holds B.S., Computer Science from University Of Illinois Urbana-Champaign.
Company email context
Email format at SpaceX
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{first}.{last}@spacex.com
92% confidence
AeroLeads found 2 current-domain work email signals for Jon Kessler. Compare company email patterns before reaching out.
Profile bio
About Jon Kessler
Experienced Software Engineer with years of software engineering experience, from embedded software to full-stack web development. Skilled in OO development, C++, Ruby on Rails, HTML/CSS/JS, Python, React and React Native, Docker, Puppet, and more.
Listed skills include Ruby, Ruby On Rails, Java, Agile Methodologies, and 12 others.
Current workplace
Jon Kessler's current company
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10 roles
Jon Kessler work experience
A career timeline built from the work history available for this profile.
Nov 2019 - Nov 2021
Full Stack Software Engineer
Engineer on the Flight Software Automation team, then subsequently on the Vehicle Software team.
Aug 2017 - Nov 2019
Staff Software Engineer
I work on back-end code in Ruby on Rails as well as front-end HTML, CSS, and JavaScript/CoffeeScript.I've worked on all areas of our products, primarily on AppFolio Property Manager and RentApp. I've worked on a number of different projects, including the development of RentApp, adding credit card payment functionality to both APM and RentApp, upgrading several of our applications to Rails 3.0 and subsequently Rails 3.1, and developing gems to share code between our applications.
May 2016 - Aug 2017
Nov 2012 - May 2016
Jan 2011 - Nov 2012
Systems Software Engineer
• Developed a keyboard and mouse controller emulation driver for a virtual machine monitor• Completely rewrote keyboard and mouse controller initialization code for clarity and correct operation• Achieved significant improvement in existing code via refactoring and added better documentation
Jun 2010 - Dec 2010
Developer Publications Intern
• Wrote reference and conceptual documentation for Mac OS X’s Cocoa development framework• Updated outdated documentation and improved existing documentation based on internal and external developer feedback
Jan 2009 - Mar 2009
Global Foreign Exchange Technology Intern
• Developed functional testing using Ruby for a Java-based trading system using the Agile/XP methodology, rapidly developing a programmatic bridge from JRuby to Tibco Rendezvous• Created a Groovy/Grails-based web application for monitoring trading system status in various environments, using REST in the form of xml pages on the servers processed as JSP pages
Jun 2008 - Aug 2008
Global Markets Technology Intern
• Designed and implemented a client/server Java application to measure how often business processes met their deadlines and to identify needed improvements• Implemented a JSP web front-end for reporting of collected data stored in the database created by the client/server Java application
Jun 2007 - Aug 2007
Team & coworkers
Colleagues at SpaceX
Other employees you can reach at spacex.com. View company contacts →
DA
Donnie Alvarado, Sr Ma Olm
Colleague at SpacexHawthorne, California, United States
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JW
Justin West
Colleague at SpacexFrisco, Texas, United States
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JA
James Applegate
Colleague at SpacexLos Angeles, California, United States
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JB
Josh Brooks
Colleague at SpacexBaton Rouge, Louisiana, United States
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VD
Veronica Diaz
Colleague at SpacexLong Beach, California, United States
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JF
James Fang
Colleague at SpacexLos Angeles, California, United States
View →
JC
Joan Cruz
Colleague at SpacexOrlando, Florida, United States
View →
DB
David Benedum
Colleague at SpacexSimsbury, Connecticut, United States
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TH
Tim Harris
Colleague at SpacexSpringfield, Ohio, United States
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JG
Javier Garcia
Colleague at SpacexSanta Ana, California, United States
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Donnie Alvarado, Sr Ma Olm
Colleague at SpacexHawthorne, California, United States
View →
JW
Justin West
Colleague at SpacexFrisco, Texas, United States
View →
JA
James Applegate
Colleague at SpacexLos Angeles, California, United States
View →
JB
Josh Brooks
Colleague at SpacexBaton Rouge, Louisiana, United States
View →
VD
Veronica Diaz
Colleague at SpacexLong Beach, California, United States
View →
JF
James Fang
Colleague at SpacexLos Angeles, California, United States
View →
JC
Joan Cruz
Colleague at SpacexOrlando, Florida, United States
View →
DB
David Benedum
Colleague at SpacexSimsbury, Connecticut, United States
View →
TH
Tim Harris
Colleague at SpacexSpringfield, Ohio, United States
View →
JG
Javier Garcia
Colleague at SpacexSanta Ana, California, United States
View →
1 education record
Jon Kessler education
-
University Of Illinois Urbana-Champaign
FAQ
Frequently asked questions about Jon Kessler
Quick answers generated from the profile data available on this page.
What company does Jon Kessler work for?
Jon Kessler works for SpaceX.
What is Jon Kessler's role at SpaceX?
Jon Kessler is listed as Lead Software Engineer at SpaceX.
What is Jon Kessler's email address?
AeroLeads has found 2 work email signals at @spacex.com for Jon Kessler at SpaceX.
What is Jon Kessler's phone number?
AeroLeads has found 8 phone signal(s) with area code 847, 805, 866 for Jon Kessler at SpaceX.
Where is Jon Kessler based?
Jon Kessler is based in Redondo Beach, California, United States while working with SpaceX.
What companies has Jon Kessler worked for?
Jon Kessler has worked for Spacex, Appfolio Inc., Green Hills Software, Apple Inc., and Bank Of America.
Who are Jon Kessler's colleagues at SpaceX?
Jon Kessler's colleagues at SpaceX include Donnie Alvarado, Sr Ma Olm, Justin West, James Applegate, Josh Brooks, and Veronica Diaz.
How can I contact Jon Kessler?
You can use AeroLeads to view verified contact signals for Jon Kessler at SpaceX, including work email, phone, and LinkedIn data when available.
What schools did Jon Kessler attend?
Jon Kessler holds B.S., Computer Science from University Of Illinois Urbana-Champaign.
What skills is Jon Kessler known for?
Jon Kessler is listed with skills including Ruby, Ruby On Rails, Java, Agile Methodologies, Jquery, Css, Javascript, and Rest.
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