Yahya Sajjad
Full-Stack Developer | React, Next.js, TypeScript & AI
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Weigh station
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Developed a modern smart operations interface for weigh station management, combining interactive mapping, operational data, API integrations, and an AI-style user experience. Built a responsive React application with location-based station visualization, interactive map features, station information, search and navigation workflows, and a conversational-style interface for accessing operational information. The project was designed to make complex weigh station data easier to explore and manage through a modern, user-friendly interface.
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Developed a modern HR management system for employee and attendance operations. Built interfaces for employee management, attendance tracking, schedules, site assignments, dashboards, and administrative workflows. Implemented responsive React-based UI, API integrations, role-based workflows, data-driven dashboards, and site-specific employee management. Focused on creating a clean, efficient system for managing real-world organizational HR operations.
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Built and deployed a full-stack AI SaaS platform for transforming AI-generated text into more natural writing. I developed the application end-to-end using Next.js, TypeScript, PostgreSQL, Prisma, and AI/LLM APIs, including authentication, subscription payments, admin functionality, usage limits, rate limiting, error monitoring, and production deployment. I also designed the user experience and implemented the backend APIs and database architecture. The project is built as a production-ready SaaS rather than a simple AI demo.
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