Designing Scalable Software Systems • Enterprise Applications • Business Automation

I'm Owais Zakir, a Full Stack Software Engineer with professional experience building production software across enterprise applications, business automation, healthcare, education, and e-commerce.

My work spans the complete software development lifecycle, from architecture and database design to frontend engineering, backend services, deployment, and production support.

I enjoy building software that solves real business problems through clean architecture, scalable systems, and maintainable code.

• Enterprise Software Development
• Full Stack Engineering
• System Architecture
• Business Automation
• API Engineering
• Authentication & Authorization
• Platform Integrations
• Real-Time Applications
• Performance Optimization
• Production Systems

Nubit Software

Working on enterprise software focused on business automation, secure integrations, real-time systems, and scalable architecture.

Highlights

• REST API Development
• React & Next.js Applications
• Authentication (JWT, OAuth 2.0)
• WhatsApp Cloud API
• WebSocket Applications
• Queue Processing
• Third-party Integrations
• C++ Real-Time PSX Processing
• Technical Leadership

Suffah Tech

Worked on production-grade enterprise applications across frontend engineering, backend systems, ERP modules, Shopify integrations, deployment, and business automation.

• Authentication
• RBAC
• Admin Workflows
• REST APIs
• Reporting
• Business Modules

• Inventory
• CRM
• Payroll
• POS
• Warehouse
• Business Operations

• Shopify API
• OAuth 2.0
• Product Sync
• Order Synchronization
• Integration Services

• WhatsApp Cloud API
• Meta APIs
• Messaging Automation
• Webhooks
• Notification Systems

• Admin Systems
• Patient Workflows
• Secure APIs
• SMS Integration

High-performance C++ service processing Pakistan Stock Exchange market data over WebSocket.

• TypeScript
• JavaScript
• C++
• Python
• SQL
• PL/SQL

• React
• Next.js
• HTML5
• CSS3
• Tailwind CSS
• Redux Toolkit
• React Query
• GSAP
• Three.js
• Framer Motion

• Node.js
• Express.js
• Fastify
• REST APIs
• GraphQL
• WebSocket
• Socket.IO
• JWT
• OAuth 2.0

• PostgreSQL
• Oracle Database
• MongoDB
• MySQL
• Redis

• Docker
• Linux
• Git
• GitHub
• Postman
• Jira

I believe software should be

• Scalable
• Secure
• Maintainable
• Modular
• Business Driven
• Performance Focused

I prefer designing systems before writing code.

Architecture first.

Implementation second.

• Modern Full Stack Development
• Responsive Web Design
• Introduction to Cybersecurity
• Introduction to MERN Stack
• Data Structures & Algorithms
• Career Skills in Data Analytics

• 🏆 First Place — Web Designing Hackathon
• 🚀 Promoted from Frontend Developer to Full Stack Engineer
• 👨‍💻 Led architecture planning, code reviews, mentoring, deployments, and production support
• ⚡ Built production software across enterprise, healthcare, education, and e-commerce domains

• Enterprise Architecture
• Distributed Systems
• High Performance Systems
• C++
• High Frequency Trading
• AI Assisted Software Engineering

🌐 Portfolio
https://owaiszakir.vercel.app

💼 LinkedIn
https://linkedin.com/in/owaiszakir

💻 GitHub
https://github.com/OwaisZakir

📧 Email
[email protected]

"Building software that scales with businesses, not just codebases."