Abdul Karim

Full Stack Developer

Dynamic Full Stack Developer with a strong foundation in scalable backend systems and responsive frontend architecture. Proven track record in integrating complex third-party services, payment gateways, and enterprise data pipelines to deliver high-performance, production-ready applications.

Work Experience

FullStack Web Developer

June 2025 — Present
Saylani Welfare International Trust, Karachi, PK
  • Manage multiple production websites, internal tools, and admin portals used by operational teams across the organization.
  • Architect and implement responsive web applications using React and Node.js, prioritizing modularity, reusable components, and performance optimization.
  • Engineered robust data pipelines to synchronize public-facing platforms with internal ERP systems, streamlining audit workflows, reporting, and compliance tracking.
  • Integrate external APIs and messaging services, including WhatsApp and SMS providers, for automated notifications and operational alerts.
  • Integrated secure payment ecosystems including Etisalat (UBL), Stripe, and PayPal, managing end-to-end checkout flows and transaction verification.

MERN Stack Developer Intern

Dec 2024 — June 2025
Islamic Desk, Karachi, PK
  • Developed, deployed, and maintained an internal portal used by company staff to manage day-to-day workflows and records.
  • Developed scalable RESTful APIs using the MERN stack, implementing industry-standard best practices for security, concurrency, and maintainability.
  • Collaborated with PMs, stakeholders, and designers to refine features and translate requirements into delivered updates.