Senior Software Engineer
Current
Sep 2017 - Present
AeroLeads people directory · profile
Phil Guerrant Email & Phone Number
Senior Software Engineer
at
Cobalt Iron
2 phones found
area 303 and 650
LinkedIn matched
✓ Verified May 2026
3 data sources
Profile completeness 86%
Current company
Role
Senior Software Engineer
Location
Greater Seattle Area, United States, United States
Company size
Who is Phil Guerrant? Overview
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Quick answer
Phil Guerrant is listed as Senior Software Engineer at Cobalt Iron, a company with 44 employees, based in Greater Seattle Area, United States, United States. AeroLeads shows phone signal with area code 303, 650 and a matched LinkedIn profile for Phil Guerrant.
Phil Guerrant previously worked as Principal Software Engineer at Sencha and Senior Software Engineer at Sencha.
Company email context
Email format at Cobalt Iron
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Cobalt Iron
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Profile bio
About Phil Guerrant
Front-end software engineer with a passion for beautiful and intuitive UI. I’ve spent the past 15 years of my life architecting and coding rich user interfaces on the web. I love collaborating with and helping other team members achieve success.Former member of the Ext JS engineering team at Sencha. Specializing in: JavaScript, HTML, CSS/Sass, JS FrameworksAlso proficient in: Java/JSP, C#/ASP.NET, PHP, Swift, WPF, CocoaCertifications:Sun Certified Java Programmer (SCJP)Certified Scrum Master (CSM)
Listed skills include Javascript, Web Applications, User Interface, Agile Methodologies, and 31 others.
Current workplace
Phil Guerrant's current company
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Cobalt Iron
8 roles
Phil Guerrant work experience
A career timeline built from the work history available for this profile.
Principal Software Engineer
Architected flexible theming system for framework components, enabling users to easily customize the look and feel of their applications.Implemented CSS3-based layout system for Ext JS modern browsers.Created fast and efficient “infinite” virtual scroller for data grids.Added enhancements and fixes to support integration of Ext JS with React.Provided.
Jan 2017 - Sep 2017
Senior Software Engineer
Integrated Ext JS and Sencha Touch into one unified frameworkImplemented support for touch events, gestures, and touch scrolling.Contributed to numerous improvements throughout the framework, including responsive design, application architecture, and performance.Wrote guides, documentation and technical articles.Created responsive example.
Aug 2013 - Dec 2016
Software Engineer
Primary architect of Ext JS Themes. Developed and launched three new themes for the framework, each with it’s own new look-and-feel. Implemented support for right-to-left languages throughout Ext JS.Implemented JavaScript decoders for binary AMF0/AMF3 formats.Implemented visual styling to support WAI-ARIA compliance.Wrote guides and technical.
May 2011 - Jul 2013
Ui Architect
Lead the development of an Ext JS application with a C#/ASP.NET MVC server side.Provided guidance to the team on user interface architecture and best practices.
Oct 2010 - May 2011
Ui Engineer
Local Matters, Inc.
Developed large highly performant and scalable websites for directory publishers and real estate companies such as https://yellow.co.nz and https://www.realestate.com.au.Created an in-house JavaScript library to streamline development across multiple teams.
Sep 2008 - Oct 2010
Web Developer
Maintained and developed the front-end of http://networksolutions.com (jQuery, CSS, JSP), and performed SEO optimization.Developed a web application for managing pay-per-click ads, written using Ext JS, jQuery and Java EE.
Sep 2007 - Aug 2008
Operations Supervisor And Software Developer
Raymond James Financial
Architected and delivered innovative web applications to reduce costs through automation of manual tasks.Supervised a team of 8.Managed daily operations in the Portfolio Reporting and Pricing department.
May 2002 - May 2007
Team & coworkers
Colleagues at Cobalt Iron
Other employees you can reach at cobaltiron.com. View company contacts for 44 employees →
BF
Bruna Ferreira
Colleague at Cobalt Iron
São Paulo, Brazil, Brazil
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MS
Michael Sopko
Colleague at Cobalt Iron
Morris Plains, New Jersey, United States, United States
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HF
Hank Fridell
Colleague at Cobalt Iron
Kansas City, Kansas, United States, United States
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MS
Mary Spurlock
Colleague at Cobalt Iron
Lawrence, Kansas, United States, United States
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RM
Rachel Mclaughlin
Colleague at Cobalt Iron
Kansas City Metropolitan Area, United States
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NG
Neal Gronset
Colleague at Cobalt Iron
Greater Chicago Area, United States
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BS
Brian Smith
Colleague at Cobalt Iron
Kansas City Metropolitan Area, United States
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RH
Ron Hess
Colleague at Cobalt Iron
Lawrence, Kansas, United States, United States
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DN
David Nicholson
Colleague at Cobalt Iron
St Joseph, Michigan, United States, United States
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GG
Gentre Graham
Colleague at Cobalt Iron
Kansas City Metropolitan Area, United States
View →
Bruna Ferreira
Colleague at Cobalt Iron
São Paulo, Brazil, Brazil
View →
MS
Michael Sopko
Colleague at Cobalt Iron
Morris Plains, New Jersey, United States, United States
View →
HF
Hank Fridell
Colleague at Cobalt Iron
Kansas City, Kansas, United States, United States
View →
MS
Mary Spurlock
Colleague at Cobalt Iron
Lawrence, Kansas, United States, United States
View →
RM
Rachel Mclaughlin
Colleague at Cobalt Iron
Kansas City Metropolitan Area, United States
View →
NG
Neal Gronset
Colleague at Cobalt Iron
Greater Chicago Area, United States
View →
BS
Brian Smith
Colleague at Cobalt Iron
Kansas City Metropolitan Area, United States
View →
RH
Ron Hess
Colleague at Cobalt Iron
Lawrence, Kansas, United States, United States
View →
DN
David Nicholson
Colleague at Cobalt Iron
St Joseph, Michigan, United States, United States
View →
GG
Gentre Graham
Colleague at Cobalt Iron
Kansas City Metropolitan Area, United States
View →
FAQ
Frequently asked questions about Phil Guerrant
Quick answers generated from the profile data available on this page.
What company does Phil Guerrant work for?
Phil Guerrant works for Cobalt Iron.
What is Phil Guerrant's role at Cobalt Iron?
Phil Guerrant is listed as Senior Software Engineer at Cobalt Iron.
What is Phil Guerrant's phone number?
AeroLeads has found 2 phone signal(s) with area code 303, 650 for Phil Guerrant at Cobalt Iron.
Where is Phil Guerrant based?
Phil Guerrant is based in Greater Seattle Area, United States, United States while working with Cobalt Iron.
What companies has Phil Guerrant worked for?
Phil Guerrant has worked for Cobalt Iron, Sencha, Esm, Local Matters, Inc., and Network Solutions.
Who are Phil Guerrant's colleagues at Cobalt Iron?
Phil Guerrant's colleagues at Cobalt Iron include Bruna Ferreira, Michael Sopko, Hank Fridell, Mary Spurlock, and Rachel Mclaughlin.
How can I contact Phil Guerrant?
You can use AeroLeads to view verified contact signals for Phil Guerrant at Cobalt Iron, including work email, phone, and LinkedIn data when available.
What skills is Phil Guerrant known for?
Phil Guerrant is listed with skills including Javascript, Web Applications, User Interface, Agile Methodologies, Git, Software Development, Ajax, and Html 5.
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