Christian Pelczarski
Senior Web Application Engineer
Nelson, New Hampshire, United States
Summary
👤
Senior🎓
Top SchoolChristian Pelczarski is a Senior Web Application Engineer with 14 years of hands-on experience building Ruby on Rails applications, specializing in PostgreSQL and Hotwire. He founded Minimul in 2005 and now applies his product and integration expertise at BLDUP, Inc., often rescuing complex QuickBooks integration projects and bringing apps to the Intuit Marketplace. A prolific open-source contributor, he extended the popular quickbooks-ruby library to support QuickBooks Online V3 entities, auto-document numbering, and transaction-level tax—demonstrating deep domain knowledge of accounting APIs. Based in Nelson, New Hampshire, he combines entrepreneurial grit with practical engineering discipline, able to translate accountant workflows into reliable, auditable integrations.
14 years of coding experience
18 years of employment as a software developer
B.S., B.S. at Millersville University of Pennsylvania
Stackoverflow
4,107reputation
507kreached
55answers
2questions
ruby
top-5%
ruby-on-rails
top-5%
rspec
top-5%
console
top-1%
Github Skills (13)
ruby10
rest-api10
quickbooks10
console10
ruby-on-rails9
rspec9
tar6
quickbooks-online6
linux6
javascript6
factory-bot6
unix6
actionmailer6
Programming languages (8)
Github contributions (5)
ruckus/quickbooks-ruby
Jan 2014 - Mar 2017
Quickbooks Online REST API V3 - Ruby
Role in this project:
Backend Developer
Backend DeveloperContributions:66 commits, 22 PRs, 17 pushes in 3 years 2 months
Contributions summary:Christian primarily focused on enhancing the `quickbooks-ruby` library to support the QuickBooks Online REST API V3. They implemented support for new entities like `Vendor`, `Employee`, and `CreditMemo`, adding the necessary model definitions, validations, and service methods for creating, querying, and updating these entities. They also introduced features such as auto-document numbering for invoices and transaction-level tax support, demonstrating a strong understanding of the QuickBooks API and Ruby development.
quickbooks-onlinerestrest-apiruby
minimul/iif-parser
May 2015 - Apr 2022
Will parse Intuit QuickBooks IIF files into plain Ruby objects.
Contributions:53 commits, 34 PRs, 40 pushes in 7 years
quickbooksruby
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