Software Developer - Paymentexpress
Current
Oct 2011 - Present
AeroLeads people directory · profile
Larry Leszczynski Email & Phone Number
Independent Software Consultant and Web Application Developer
at
Grant Street Group
1 work email found
@grantstreet.com
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Independent Software Consultant and Web Application Developer
Location
Denver, Colorado, United States
Company size
Who is Larry Leszczynski? Overview
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Quick answer
Larry Leszczynski is listed as Independent Software Consultant and Web Application Developer at Grant Street Group, a company with 226 employees, based in Denver, Colorado, United States. AeroLeads shows a work email signal at grantstreet.com and a matched LinkedIn profile for Larry Leszczynski.
Larry Leszczynski previously worked as Software Developer - PaymentExpress at Grant Street Group and Senior Web Developer at Atomic Learning. Larry Leszczynski holds Ms, Biomedical Engineering from Boston University.
Company email context
Email format at Grant Street Group
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{first}.{last}@grantstreet.com
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AeroLeads found 1 current-domain work email signal for Larry Leszczynski. Compare company email patterns before reaching out.
Profile bio
About Larry Leszczynski
Extensive experience in designing and developing scalable, high-volume, multi-tier, database-backed web applications and services.Specialties: Perl, Apache, mod_perl, Catalyst, CSS, DHTML, JavaScript, XML, PHP
Listed skills include Perl, Software Development, Web Applications, Programming, and 15 others.
Current workplace
Larry Leszczynski's current company
Company context helps verify the profile and gives searchers a useful next step.
Grant Street Group
8 roles
Larry Leszczynski work experience
A career timeline built from the work history available for this profile.
Senior Web Developer
Feb 2008 - Oct 2011
Principal Software Engineer
- System- and application-level design of HTTP and XML-RPC internal/external web services - Developed monitoring and alerting systems, performance tuning and capacity testing for ProQuest online services- Apache/Resin configuration and tuning, Open Source software builds- Internal tools for ad hoc data analysis, text parsing, reporting, etc.- Perl and.
Feb 2001 - Mar 2005
Development Project Lead
- System- and application-level architecture design and implementation of hosted, online searchable archives for newspapers and magazines such as: USA TODAY, Associated Press, LA Times, NY Times, Boston Herald, New York Post, etc.- Designed, implemented, installed and maintained web servers (including SSL and E-commerce), web/database connectivity and.
Oct 1999 - Feb 2001
Vice President / Consultant
Furph, Inc.
- Designed, implemented, installed, hosted and maintained client and internal web sites/servers including SSL, E-commerce, shopping- Developed custom Apache and NSAPI Web Server modules, CGI scripts, utility and administration tools- Major consulting customers included:... Ford Motor Company (Dearborn MI)... Idetix, Inc. (Troy MI)... Millennium Marketing.
Jan 1996 - Dec 2000
Cto
Chargenow.Com
- Designed, implemented and operated ChargeNow.com online Electronic Software Delivery (ESD) services, including implementation of customized payment gateways, order processing, tracking and reporting systems for merchants of digital content- Designed, implemented, installed and maintained web servers (including SSL and E-commerce) and web/database.
May 1998 - Aug 2000
Programmer/Analyst, Cad/Cam/Pim Systems
- Was awarded 1992 Ford Information Systems Customer Satisfaction Award- Planned, coordinated, developed and integrated CAD/CAM applications- Developed automated techniques for generating HTML for Product Planning information- Developed suite of software development and configuration management tools for internal use
Jun 1989 - Jan 1996
Senior Applications Programmer / Research Associate
Brigham And Women'S Hospital, Neonatal Pulmonary Laboratory, Newborn Intensive Care Unit
- Wrote and utilized real-time data acquisition software for recording physiologic signals at patient bedside- Developed interactive graphics and analysis routines for data visualization, signal processing, plotting, image processing, spectral analysis, statistical analysis- Conducted research studies; collected physiologic data from newborn premature.
Jun 1987 - Apr 1989
Team & coworkers
Colleagues at Grant Street Group
Other employees you can reach at grantstreet.com. View company contacts for 226 employees →
NH
Nathan Howell
Colleague at Grant Street Group
American Fork, Utah, United States, United States
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JC
John Carver
Colleague at Grant Street Group
Pittsburgh, Pennsylvania, United States, United States
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JC
Josh Chamberlain
Colleague at Grant Street Group
Ithaca, New York, United States, United States
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SM
Samantha Miller
Colleague at Grant Street Group
Greater Lexington Area, United States
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EW
Eric W.
Colleague at Grant Street Group
Sunfield, Michigan, United States, United States
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JN
Jessica Newman
Colleague at Grant Street Group
Somerset, Kentucky, United States, United States
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AR
Andrew Robbins, Ph.D.
Colleague at Grant Street Group
New Brunswick, New Jersey, United States, United States
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CP
Craig Phillips
Colleague at Grant Street Group
Jupiter, Florida, United States, United States
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KJ
Kobe Johnson
Colleague at Grant Street Group
Bloomington, Indiana, United States, United States
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OD
Olivia D'Eredita
Colleague at Grant Street Group
Brooksville, Florida, United States, United States
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Nathan Howell
Colleague at Grant Street Group
American Fork, Utah, United States, United States
View →
JC
John Carver
Colleague at Grant Street Group
Pittsburgh, Pennsylvania, United States, United States
View →
JC
Josh Chamberlain
Colleague at Grant Street Group
Ithaca, New York, United States, United States
View →
SM
Samantha Miller
Colleague at Grant Street Group
Greater Lexington Area, United States
View →
EW
Eric W.
Colleague at Grant Street Group
Sunfield, Michigan, United States, United States
View →
JN
Jessica Newman
Colleague at Grant Street Group
Somerset, Kentucky, United States, United States
View →
AR
Andrew Robbins, Ph.D.
Colleague at Grant Street Group
New Brunswick, New Jersey, United States, United States
View →
CP
Craig Phillips
Colleague at Grant Street Group
Jupiter, Florida, United States, United States
View →
KJ
Kobe Johnson
Colleague at Grant Street Group
Bloomington, Indiana, United States, United States
View →
OD
Olivia D'Eredita
Colleague at Grant Street Group
Brooksville, Florida, United States, United States
View →
2 education records
Larry Leszczynski education
Ms, Biomedical Engineering
Bs, Biomedical Engineering
FAQ
Frequently asked questions about Larry Leszczynski
Quick answers generated from the profile data available on this page.
What company does Larry Leszczynski work for?
Larry Leszczynski works for Grant Street Group.
What is Larry Leszczynski's role at Grant Street Group?
Larry Leszczynski is listed as Independent Software Consultant and Web Application Developer at Grant Street Group.
What is Larry Leszczynski's email address?
AeroLeads has found 1 work email signal at @grantstreet.com for Larry Leszczynski at Grant Street Group.
Where is Larry Leszczynski based?
Larry Leszczynski is based in Denver, Colorado, United States while working with Grant Street Group.
What companies has Larry Leszczynski worked for?
Larry Leszczynski has worked for Grant Street Group, Atomic Learning, Proquest Information And Learning, Furph, Inc., and Chargenow.Com.
Who are Larry Leszczynski's colleagues at Grant Street Group?
Larry Leszczynski's colleagues at Grant Street Group include Nathan Howell, John Carver, Josh Chamberlain, Samantha Miller, and Eric W..
How can I contact Larry Leszczynski?
You can use AeroLeads to view verified contact signals for Larry Leszczynski at Grant Street Group, including work email, phone, and LinkedIn data when available.
What schools did Larry Leszczynski attend?
Larry Leszczynski holds Ms, Biomedical Engineering from Boston University.
What skills is Larry Leszczynski known for?
Larry Leszczynski is listed with skills including Perl, Software Development, Web Applications, Programming, Html, Javascript, Git, and Web Development.
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