m
m_hamza_zartaj

Muhammad Hamza

@m_hamza_zartaj

Full Stack Developer Nextjs, React, Nodejs

Pakistan
English, Urdu, Punjabi
About me
I’m a Full-Stack Developer specializing in Next.js, React, TypeScript, Node.js, PostgreSQL, MongoDB, and Prisma. I build production web apps, SaaS products, internal business systems, responsive frontends, and API integrations. My work includes inventory software supporting 100–300 daily orders and 20,000+ incoming units per month, an AI sales-chat SaaS with real-time messaging and Stripe billing, and React websites built from Figma designs. I focus on clean code, clear communication, reliable delivery, and practical solutions built around your business needs.... Read more

Skills

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m_hamza_zartaj
Muhammad Hamza
Offline • 
Average response time: 1 hour

See my services

Full Stack Web Applications
I will build a custom business website or web application
From$100 / projectMore details
Bug Fixes
I will fix website bugs in react nextjs javascript and nodejs
From$25 / projectMore details

Portfolio

Work experience

Full-Stack Developer & 3PL Operations Manager

Treasure World Inc • Part-time

Dec 2025 - Present • 8 mos

Support the operations of a U.S.-based 3PL, warehouse, and marketplace-prep business serving e-commerce clients. Manage operational records, warehouse activity, 3PL and prep costs, client invoicing, payments, and other business workflows required to support fulfillment and preparation operations. Work with internal teams and virtual assistants to coordinate tasks, resolve operational issues, maintain accurate records, and improve day-to-day processes. Also contribute to internal software and workflow improvements that help organize business operations and reduce manual administrative work.

Full-Stack Developer & E-Commerce Operations Manager

Adios Textile LLC • Part-time

Aug 2025 - Present • 1 yr

Build and maintain production web applications and internal business systems supporting U.S.-based textile e-commerce operations. Designed, developed, deployed, and manage an inventory and order-management platform supporting approximately 100–300 marketplace orders per day, 70+ active SKUs, wholesale workflows, container receiving, landed-cost tracking, reporting, stock management, and 20,000+ incoming units per month. Manage day-to-day marketplace operations across Temu, TikTok Shop, and eBay, including sales, inventory, listings, business performance, and operational records. Coordinate approximately five virtual assistants handling listings, marketplace tasks, inventory-related workflows, operations, and payments.