Jon Kessler
AeroLeads people directory · profile

Jon Kessler Email & Phone Number

Lead Software Engineer at SpaceX at SpaceX
Location: Redondo Beach, California, United States 10 work roles 1 school
2 work emails found @spacex.com 8 phones found area 847, 805, and 866 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 8 phones

Work email j****@spacex.com
Direct phone (847) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Lead Software Engineer at SpaceX
Location
Redondo Beach, California, United States

Who is Jon Kessler? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Jon Kessler is listed as Lead Software Engineer at SpaceX 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 Lead Software Engineer at Spacex and Software Engineer II at Spacex. Jon Kessler holds B.S., Computer Science from University Of Illinois Urbana-Champaign.

Company email context

Email format at SpaceX

This section adds company-level context without repeating Jon Kessler's masked contact details.

{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

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

SpaceX
Spacex
Lead Software Engineer at SpaceX
Website
AeroLeads page
10 roles

Jon Kessler work experience

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

Lead Software Engineer

Current

Hawthorne, California, US

People 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

Software Engineer Ii

Hawthorne, California, US

Vehicle Software engineer working on Crew Dragon.

Nov 2019 - Nov 2021

Full Stack Software Engineer

Hawthorne, California, US

Engineer on the Flight Software Automation team, then subsequently on the Vehicle Software team.

Aug 2017 - Nov 2019

Staff Software Engineer

Santa Barbara, California, US

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.

May 2016 - Aug 2017

Senior Software Engineer

Santa Barbara, California, US

See above.

Nov 2012 - May 2016

Software Engineer

Santa Barbara, California, US

See above.

Jan 2011 - Nov 2012

Systems Software Engineer

Santa Barbara, California, US

  • 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

Cupertino, California, US

  • 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

Charlotte, NC, US

  • 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

Charlotte, NC, US

  • 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 →

1 education record

Jon Kessler education

  • University Of Illinois Urbana-Champaign
    University Of Illinois Urbana-Champaign
    Computer Science
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 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 O Prachumsri, Andrew Berry, Mary Tompkins, Bohan Zhang, and Terence Ryder.

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.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.