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About

Welcome! I am Haris Haider, a Senior Software Engineer based in Karachi, Pakistan, with over 9 years of professional experience building full-stack web applications, scalable backend systems, and enterprise-grade API integrations.

My career is centered around turning complex business needs into clean, maintainable, and well-documented software solutions. I combine hands-on technical architecture with project management methodologies to build systems designed for scalability, performance, and long-term maintainability.

Core Technical Expertise

Backend Engineering & Languages:

  • PHP: Laravel, CodeIgniter, Yii, CakePHP
  • Python: Django, Flask
  • JavaScript / Node.js: Node.js, Express.js, TypeScript
  • Databases: MySQL, PostgreSQL, Redis, ElasticSearch, MongoDB, SQLite

Frontend & UI Development:

  • React.js, Vue.js (2 & 3), Angular
  • Tailwind CSS, SASS (SCSS), HTML5, CSS3

Cloud, DevOps & System Design:

  • Docker, AWS (S3), Linux, Nginx, Apache, Jenkins, Git
  • Message Queues & Asynchronous Operations (RabbitMQ)
  • Enterprise API Integrations (Adobe VIP Marketplace API, Microsoft Marketplace API, Payment Gateways like PayPal, Stripe, HBL, EasyPaisa)
  • Observability & Monitoring (Datadog, Kibana, Log Analysis)

Education & Professional Training

  • Master of Science (MS) in Project Management – Bahria University (EQF Level 7)
    Focus: Strategic planning, Agile methodologies, PMO frameworks, risk and cost control, human resource allocation, and project collaboration.
  • Bachelor of Science (BS) in Computer Science – Federal Urdu University of Arts, Science & Technology (EQF Level 6)
    Focus: Software engineering, database design, computer architecture, artificial intelligence, machine learning, and cloud computing.

Work Experience Highlights

  • Senior Software Engineer @ Arpatech Pvt Ltd (2023 – Present)
    Designing and maintaining scalable backend services using PHP, Python, and Node.js. Leading API integrations with Adobe and Microsoft marketplace platforms, containerized Docker deployments, and mentoring junior engineers through code reviews.
  • Software Engineer @ Forrun Venture (Arpatech) (2022 – 2023)
    Engineered courier management platform components using Laravel, Vue.js, Node.js, AWS S3, and Redis for high-concurrency performance.
  • Software Engineer @ ePlanet Communication Pvt Ltd (2021 – 2022)
    Built e-commerce and CRM systems with Laravel, Yii, Node.js, and React. Integrated multi-provider payment gateways, ElasticSearch, and RabbitMQ.
  • Software Developer @ Dawat e Islami IT Department & AG Consultraining (2017 – 2021)
    Developed enterprise systems including ERP, CRM, LMS, logistics, and finance tools while managing small engineering teams and leading biometric hardware integrations.

Why I Write This Blog

I created this personal blog to document my journey as a developer, share insights on backend system architecture, discuss AI-assisted engineering workflows, and provide practical tutorials for developers looking to write scalable code.

Connect & Collaborate

I am always open to professional networking, technical discussions, and career opportunities.