Humayun Shabbir
Co Founder at Upwork
Pakistan
Summary
👤
Senior🎓
Top SchoolHumayun Shabbir is a seasoned software engineer and co-founder with over a decade of hands-on experience building and maintaining large Visual Basic, C# and ASP.NET codebases. He combines deep expertise in relational databases (SQL Server, Oracle, PL/SQL, MySQL) with front-end experience in AJAX, Silverlight and responsive web work, and has repeatedly solved performance and data challenges for e-commerce and enterprise applications. As a long-time freelancer and founder of Source Systems, he balances client-facing delivery with team management, shipping solutions from intranets and rule-design UIs to iPad-optimized web apps. He is particularly skilled at untangling complex legacy systems and modernizing them for scale—having improved a storefront that processed over $1M in annual sales and upgraded legacy file-transfer apps to robust .NET/Silverlight implementations. Based in Pakistan, Humayun blends entrepreneurial drive with pragmatic problem-solving and a track record of sustained freelance engagements across global marketplaces. His 15+ years focused on Visual Basic and large codebases make him a go-to expert for legacy-to-modern migration and performance tuning.
11 years of coding experience
15 years of employment as a software developer
ICS, Computer, Mathematics, Statistics, ICS, Computer, Mathematics, Statistics at Petroman Training Institute
English, Urdu, Punjabi, Arabic
Stackoverflow
3,081reputation
141kreached
14answers
13questions
javascript
top-5%
html
top-5%
canvas
top-5%
Github Skills (17)
javascript9
canvas9
fluent-interface9
kebab-case9
html9
inno-setup8
windows-forms8
winforms7
try-catch6
vbnet6
asp-net6
visual-studio6
responsive-design6
windows6
css6
Programming languages (1)
Github contributions (5)
humayuns/WinformsUtils
May 2015 - Sep 2021
Windows Forms Utilities project holds common reusable code for Winforms.
Contributions:96 commits, 110 pushes, 2 branches in 6 years 5 months
fluent-interfacekebab-casewindowswindows-formswinforms
humayuns/General
Sep 2017 - Apr 2024
Contributions:31 pushes in 6 years 7 months
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