Fazal Karim

Delivering scalable front-end features and reusable components using React, React Native and Ruby on Rails. Collaborating with U.S based product and design teams in an Agile environment. Leading implementation of new architecture patterns to optimize performance and code maintainability. Providing support on live web and mobile apps.

Owned full-stack TypeScript projects end-to-end—from requirements and normalized PostgreSQL data modeling to microservice-oriented backends and deployment. Built React/Next.js frontends and Node.js/Express services with secure authentication (JWT/OAuth 2.0) and real-time capabilities via WebSockets. Containerized services with Docker and managed CI/CD workflows and production deployments and scaling. Integrated and stabilized third-party systems such as payments, maps, auth, and messaging, and delivered pragmatic UI/UX improvements with strong attention to performance, accessibility, and maintainability. Used AI coding tools (Claude Code, Cursor) as part of daily development while maintaining production-quality standards.

Delivered enterprise-grade TypeScript applications using React, Angular, Node.js, and GraphQL. Implemented responsive, cross-browser UI with accessibility aligned to WCAG standards to improve usability. Rolled out CI/CD pipelines using GitHub and authored integration tests with Jest. Collaborated with globally distributed teams across time zones, mentored junior developers, and reinforced clean code practices through code reviews and pair programming.