Ahtsham Hayee

Senior Software Engineer at ThoughtWorks

Led Contentful CMS migration for Mobility Scheme using React and Next.js, automating content models and data transformations with GraphQL schema optimization. Built a real-time monitoring portal for Brunswick using React, TypeScript, and MQTT (WebSocket-based live data streaming). Developed an enterprise web platform for GSK with React and Next.js, featuring GraphQL-powered interfaces and secure self-service cloud provisioning. Architected RESTful API integrations to connect React front-ends with Node.js/Express backends, ensuring seamless data flow and robust error handling. Optimized desktop and mobile React apps for performance and accessibility (Lighthouse scores and WCAG compliance).

Software Engineer at GOL Technologies

Built full-stack applications from scratch, integrating React Native front-ends with Node.js/Express back-ends and MongoDB/DynamoDB databases. Implemented real-time data transmission systems using WebSocket/WebSocket-based event-driven architectures. Created RESTful APIs and secure authentication flows; delivered enterprise web platforms with GraphQL-powered interfaces and dashboards.

Software Engineer at GOL Technologies

Implemented React and React Native applications with RESTful APIs; integrated Firebase real-time database for Frasers Store, handling live updates for inventories, orders, and user sessions. Built payment processing integrations across web and mobile platforms with secure transaction handling and error recovery.

Software Engineer at Sign Up Solution

Built full-stack hotel management system (ServR) with Vue.js frontend and Node.js backend; developed real-time WebSocket updates for hotel operations, guest requests and staff notifications. Created RESTful APIs with Express and MongoDB-based data persistence across multiple applications. Implemented authentication and role-based access control.

Software Engineer at TechStonez Islamabad

Enhanced Android applications with API integrations, authentication systems and performance optimizations.