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sziahaider/README.md

πŸ‘‹ Hi, I'm Zia Haider

πŸ’» Backend Engineer | .NET Specialist | Payment Systems Expert
πŸ“ Karachi, Pakistan | 🌍 Open to remote opportunities


πŸš€ What I Do

I’m a backend-focused engineer with 19+ years of experience designing and scaling secure, high-performance systems.
My passion is building robust APIs, payment systems, and enterprise applications with a strong focus on clean architecture, scalability, and performance optimization.

  • 🏦 Payment Systems β€” ISO 8583, transaction processing, secure gateways
  • πŸ“Š Enterprise Solutions β€” OMS (Order Management Systems), ERP, Retail, Healthcare
  • βš™οΈ Backend Engineering β€” .NET, C#, SQL, Node.js
  • πŸš€ Software Craftsmanship β€” TDD, CI/CD, DevOps best practices

πŸ› οΈ Tech Toolbox

Core Backend
C#
.NET
ASP.NET
Node.js

Databases & Storage
SQL Server
MySQL
NoSQL
PL/SQL

Architecture & Tools
REST API
SOAP
SignalR
CI/CD
Docker
Git


πŸ”₯ Highlights

  • ⚑ Optimized payment systems improving efficiency by 30%
  • πŸ”’ Built secure transaction workflows & APIs for financial systems
  • πŸ“ˆ Led backend teams delivering 15+ projects per year
  • βœ… Improved stability with TDD & CI/CD, reducing defects by 40%
  • βš™οΈ Scaled OMS & enterprise apps for high-volume trading environments

πŸ“Š GitHub Stats

Zia's GitHub Stats

Top Languages

GitHub Streak


🌐 Connect With Me

Email
LinkedIn


⭐️ Backend-first engineer passionate about building scalable, secure, and future-ready systems.

Pinned Loading

  1. SerializeObject SerializeObject Public

    This plugin will serialize html form data in to a Javascript object.

    HTML

  2. treelib treelib Public

    Javascript Tree View Library

    HTML