Rao Hussain

Shopify Custom App Developer

RankFly • Freelance

Feb 2024 - Oct 2025 • 1 yr 8 mos

Experience Overview Worked as a Shopify Custom App Developer, building private and custom Shopify apps to extend store functionality beyond native Shopify features. Specialized in API-driven solutions, automation, and custom integrations to support scalable eCommerce operations. Core Responsibilities Developed custom and private Shopify apps Integrated Shopify Admin API & Storefront API Built backend logic for apps using modern server-side technologies Implemented OAuth authentication and secure API access Created custom dashboards and admin tools for merchants Automated workflows such as order processing, inventory sync, and customer management Integrated third-party services (CRM, ERP, payment & shipping APIs) Handled webhooks for real-time store events Ensured app security, performance, and Shopify compliance Deployed and maintained apps on live production environments Shopify & Technical Skills (Keywords) Shopify Custom Apps, Shopify Private Apps, Shopify API, Admin API, Storefront API, Webhooks, OAuth, App Development, eCommerce Automation, Custom Integrations, Backend Development, REST APIs, GraphQL, Secure Authentication Key Achievements Delivered multiple production-ready Shopify apps Reduced manual store operations through automation Built reusable app modules for faster deployments Improved store efficiency and backend scalability Why This Experience Is Valuable ✔ Deep understanding of Shopify ecosystem ✔ Strong backend & API-first development approach ✔ Experience with real-world eCommerce automation ✔ Clean, secure, and scalable app architecture

Backend Developer

Zpzen Tech • Período integral

Feb 2020 - Jul 2023 • 3 yrs 5 mos

Backend Experience Overview Worked as a Backend Developer at Zpzen Tech, specializing in PHP and modern PHP frameworks to build secure, scalable, and high-performance backend systems. Played a key role in developing robust server-side architectures that powered dynamic web applications and business platforms. Core Backend Responsibilities Developed and maintained backend applications using PHP Built scalable systems using PHP frameworks (Laravel / CodeIgniter) Designed, optimized, and managed MySQL databases Created and consumed RESTful APIs Implemented authentication, authorization, and role-based access control Ensured application security, data validation, and error handling Integrated third-party APIs, payment gateways, and external services Optimized backend performance, queries, and server response time Worked with frontend teams to ensure smooth API integration Deployed and maintained applications on live production servers Backend Technology Stack (Keywords) PHP, Laravel, CodeIgniter, Backend Development, REST API, MySQL, MVC Architecture, Authentication Systems, API Integration, Server-Side Logic, Web Security, Database Optimization, Git, cPanel, VPS Key Achievements Delivered multiple production-level backend systems with high reliability Improved application performance and database efficiency Built reusable backend modules for faster project delivery Supported long-term scalability and maintainability of applications Why This Experience Stands Out ✔ Strong command of PHP backend architecture ✔ Real-world experience with framework-based development ✔ Focus on security, scalability, and clean code ✔ Proven ability to support complex business logic

Full Stack Developer

Digital72 • Período integral

May 2016 - Sep 2019 • 3 yrs 4 mos

Worked as a Full Stack Web Developer at Digital72, responsible for building, maintaining, and optimizing web applications using PHP for backend and JavaScript for frontend. Delivered scalable, secure, and high-performance solutions for multiple client projects across different industries. Key Responsibilities & Experience Developed custom web applications using Core PHP / Laravel Built responsive frontend interfaces using JavaScript, HTML5, CSS3, and Bootstrap Designed and managed MySQL databases, queries, and relationships Integrated REST APIs, third-party services, and payment gateways Implemented authentication systems, role management, and security best practices Optimized application performance and fixed bugs in existing systems Worked on deployment, hosting, and server configuration (cPanel / VPS) Collaborated with designers and project managers to meet project requirements Delivered projects on time while maintaining clean and maintainable code Technologies Used Backend: PHP, Laravel Frontend: JavaScript, HTML, CSS, Bootstrap Database: MySQL Tools: Git, cPanel, REST APIs Servers: Shared Hosting / VPS Achievements Successfully delivered multiple client projects with high satisfaction Improved website performance and security across projects Gained hands-on experience with real-world production systems Reason for Leaving Completed role and moved forward to freelance / remote opportunities and professional growth.