Mansoor A.

I build fast, scalable, and production-ready web applications that turn complex business requirements into clean, reliable digital products. Hi, I am Mansoor Ali, a Full-Stack Developer with over 6 years of hands-on experience delivering high-performance web applications using the MERN stack (MongoDB, Express.js, React.js, Node.js). I specialize in building robust, scalable, and user-focused applications for startups and enterprises from responsive frontend interfaces to secure, high-performance backend systems and cloud infrastructure. With a strong foundation in Computer Software Engineering, I combine technical depth with a results-first mindset to deliver products that are clean, maintainable, and built to scale. I have worked across e-commerce platforms, SaaS dashboards, B2B portals, fintech applications, and enterprise web applications consistently delivering production-ready software on time and to specification. My full-stack expertise covers the complete development lifecycle. On the frontend I build responsive, pixel-perfect interfaces using React.js, Next.js, TypeScript, and Tailwind CSS that work flawlessly across desktop, tablet, and mobile. On the backend I design and build scalable REST APIs, GraphQL services, and microservices using Node.js, Express.js, and NestJS with clean architecture and strong security practices throughout. I work with PostgreSQL, MongoDB, MySQL, and Firebase for database design and optimization, and deploy production applications on AWS using EC2, S3, SQS, and CDK with Docker and GitHub Actions for CI/CD. As a Shopify Expert I build custom Shopify apps and integrations using App Bridge, Polaris, GraphQL, and the Admin and Storefront APIs. My notable Shopify projects include Zambeel, a custom Shopify app that streamlines store operations and boosts sales efficiency, and Zambeel AI, an intelligent Shopify integration that automates customer interactions and delivers actionable merchant insights. Core Expertise: Frontend: React.js, Next.js, TypeScript, JavaScript, HTML5, CSS3, Tailwind CSS, Bootstrap, Redux Toolkit, Zustand, React Query Backend: Node.js, Express.js, NestJS, REST APIs, GraphQL, Golang Database: MongoDB, PostgreSQL, MySQL, Firebase, Mongoose, Prisma ORM, TypeORM Shopify: App Bridge, Polaris, GraphQL, Admin API, Storefront API, Webhook Integration DevOps and Cloud: AWS (EC2, S3, SQS, Cognito, CDK), Docker, GitHub Actions, CI/CD Pipelines, Vercel, PM2 Authentication and Security: JWT, OAuth, Passport.js, Role-Based Access Control, NextAuth Third-Party Integrations: Stripe, PayPal, Plaid, Twilio, SendGrid, Firebase, Supabase Tools: Git, GitHub, Postman, Figma, Agile, Scrum, n8n, Workflow Automation Whether you need a full e-commerce platform, a SaaS dashboard, a B2B portal, a RESTful API backend, or a custom Shopify app, I deliver clean, well-documented, scalable code that your team can maintain and build on long after handover. I am open to long-term partnerships, milestone-based fixed-price projects, and end-to-end product development cycles. If you are looking for a reliable full-stack developer who codes with precision, communicates clearly, and delivers real results let's connect.