Hamza S

@hamzasaleem422

Full Stack MERN Developer, SaaS, ERP, and Web Apps

Pakistán
Inglés
Parte de la información aparece en idioma inglés.
Sobre mí
Hi, I'm Muhammad Hamza Saleem, a Senior Full Stack Web Developer with 4+ years of experience in MERN Stack, Next.js, React, and TypeScript. I help startups and businesses build scalable, high-performing web applications. ── WHAT I BUILD: [1] Custom SaaS Platforms & ERP Systems | [2] Dynamic Web Apps & Admin Dashboards | [3] Secure RESTful APIs & Integrations | [4] Performance Optimization & Code Refactoring. ── I focus on delivering clean code, robust architecture, and clear communication on time. Let's bring your vision to life!... Lee más

Habilidades

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hamzasaleem422
Hamza S
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Revisa mis servicios

Aplicaciones Full Stack Web
I will do website development as full stack web developer, front end, backend developer
DeUSD 50 / proyectoMás información
Aplicaciones Full Stack Web
I will develop mern stack and next js full stack web applications
DeUSD 50 / proyectoMás información

Porfolio

Experiencia laboral

Retro_VGames

MERN/Next.js Developer

Retro VGames • Tiempo completo

Dec 2025 - Jul 2026 • 7 mos

Contributed to the development of Hector ERP, a centralized enterprise system designed to manage and synchronize operations across multiple Shopify stores, covering end-to-end e-commerce workflows. • Architecting and developing scalable ERP modules using MERN Stack (MongoDB, Express.js, React.js, Node.js) and Next.js. • Designing and implementing full-cycle workflows including Order Processing, Order Fulfillment, Procurement, Inbound Operations, Outbound Logistics, Reshipments, Sourcing, and Inventory Management. • Contributed to a secure and responsive Customer Portal by fixing bugs and improving functionality related to order tracking, returns management, and user account features. • Building RESTful APIs and integrating third-party services (including Shopify APIs) for seamless multi-store data synchronization. • Designing optimized MongoDB schemas to handle large SKU datasets and high-volume transactional records. • Implementing role-based access control (RBAC) and secure authentication mechanisms (JWT, middleware-based authorization). • Improving system performance by optimizing queries, indexing strategies, and reducing API response time. • Collaborating cross-functionally with operations and logistics teams to translate business processes into scalable technical solutions. • Participating in code reviews, debugging, testing, and deployment to production environments. • Ensuring system scalability to support thousands of SKUs and high daily order volumes

CINQD

MERN Stack Developer

CINQD • Tiempo completo

Feb 2024 - Jul 2025 • 1 yr 5 mos

Cinqd is a next-generation ERP platform designed to help businesses improve efficiency and streamline operations. My contributions: • Built responsive, user-friendly UI components using React.js, improving interface usability and user engagement. • Collaborated in API design and integration, ensuring seamless communication between front-end and back-end systems. • Participated in the complete development lifecycle — from design and coding to testing and deployment. • Resolved bugs and optimized performance to enhance application stability, speed, and scalability. • Supported data integration across complex workflows and implemented security best practices to protect sensitive business information