
Sayed Muhammad
Full Stack Developer NextJs, React Native and NodeJs
Compétences

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Portfolio
Expérience professionnelle
Full Stack Web & Mobile Engineer — AI Attorney, Mobile App & SaaS
Firefly Tech Solutions • Temps plein
Jan 2026 - Present • 8 mos
Work as a Full Stack Web & Mobile Engineer at Firefly Tech Solutions, driving cross-platform mobile application development and collaborating on full-stack web application engineering using React Native, Expo, Next.js, Node.js, TypeScript, and Tailwind CSS. 📱 MOBILE APP DEVELOPMENT (SOLE FRONTEND ENGINEER & API INTEGRATOR): • Single-handedly engineered the complete mobile frontend architecture for AI Attorney—a production cross-platform iOS and Android application built using React Native, Expo, and TypeScript. • Built and structured 50+ mobile screens, 400+ reusable UI components, 53 custom React hooks, 22 API modules, and 15 Context API state providers. • Implemented real-time Server-Sent Events (SSE) AI legal chat streaming, Typesense faceted search across legal databases, and an in-app WebView rich-text editor with AI auto-drafting. • Integrated Node.js backend logic, custom REST APIs, token-based authentication flows, payment gateways, speech-to-text voice search, and offline data persistence. 💻 WEB FULL STACK DEVELOPMENT (TEAM COLLABORATION): • Collaborated in an Agile development team to build fast, scalable full-stack web applications, SaaS analytics dashboards, user management panels, and administrative portals using Next.js, React, Node.js, and Express. • Converted complex Figma wireframes into pixel-perfect, responsive web interfaces across desktop, tablet, and mobile viewports. • Migrated legacy JavaScript modules into strict, type-safe TypeScript to eliminate runtime bugs and improve codebase maintainability. • Optimized web performance, Core Web Vitals, and page load speeds to achieve top Google Lighthouse scores. • Managed version control, pull requests, code reviews, and multi-developer repository workflows using Git and GitHub.
Firnas
Temps plein • 1 yr 3 mos
Full Stack Web Developer — SaaS Dashboards, Web Apps & React
Jan 2025 - Jan 2026 • 1 yr
Engineered scalable, production-ready web applications, client portals, and SaaS administrative dashboards using React, Next.js, Node.js, JavaScript (ES6+), TypeScript, and Tailwind CSS following modern frontend and full-stack web development best practices. Key Responsibilities & Achievements: • Built end-to-end full-stack web features connecting responsive React/Next.js frontends with Node.js and Express REST API backends. • Converted complex Figma UI/UX wireframes into 100% pixel-perfect, responsive web pages and reusable React component libraries. • Developed interactive administrative panels and SaaS user management portals, optimizing state management and navigation flows. • Integrated RESTful APIs, third-party services, asynchronous data fetching (Axios), and secure user authentication flows. • Optimized Core Web Vitals, page load speeds, and cross-browser performance across desktop, tablet, and mobile viewports. • Refactored legacy JavaScript frontend code into strict, type-safe TypeScript to eliminate runtime bugs and improve accessibility. • Collaborated closely with backend engineers, UI/UX designers, and QA teams using Git and GitHub version control workflows.
Frontend Developer Intern | React & Web Development
Sep 2024 - Dec 2024 • 3 mos
Assisted senior software engineering teams in building responsive websites and web application modules using HTML5, CSS3, JavaScript (ES6+), React, and Tailwind CSS in an Agile development environment. Key Responsibilities & Achievements: • Translated complex Figma and Adobe XD design mockups into fully responsive, semantic HTML5/CSS3 web layouts. • Developed modular, reusable React UI components to improve internal development speed, UI consistency, and code maintainability. • Conducted comprehensive frontend testing, cross-browser debugging, and mobile viewport optimizations across iOS and Android devices. • Integrated REST API endpoints for dynamic form validations, interactive client-side data displays, and real-time state updates. • Utilized Git and GitHub for daily repository management, feature branch merging, and collaborative code reviews within the engineering team.