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Top-Rated and Expert-Vetted developer with 100% job success on UpWork. Over 15 years of experience building production SaaS solutions and REST APIs. Proven track-record of successfully delivering complex applications from initial concept to first paying user. Expert with TypeScript, JavaScript and PHP. Significant experience with Express.js, Vue.js, Laravel, MySQL and Kubernetes. +15 yrs JavaScript/TypeScript - Vue.js +15 yrs PHP - Laravel +15 yrs MySQL/PostgreSQL/MongoDB +8 yrs Node.js - Express.js +9 yrs AWS - EKS, RDS, Lambda, R53, S3 +6 yrs Kubernetes +6 yrs DevOps/DBA/GIT/Linux Admin - Team player - Participated in multiple projects, joining large teams, effectively co-working with other professionals. - Clear communication - English as first language, able to give clear explanations of technical subjects. Available on Slack or Zoom 24/7. - Effective leader - Managed remote design/development resources to achieve goals meeting deadlines. Team planning with JIRA.

With 5+ years of professional experience in software (website, front-end, back-end, web app) development with a diverse background spanning multiple industries and roles. Throughout my career, I've demonstrated proficiency in full-stack development, system integration, and project management. My diverse experiences have equipped me with a unique skill set to tackle complex challenges and deliver innovative solutions. Technical Proficiencies: Website Technologies: Shpoify, WordPress Frontend Technologies: React, React Native, Flutter, HTML, CSS Backend Technologies: Node.js, Nest.js, TypeScript, JavaScript, Express.js, AWS, MongoDB Database Management: MySQL, PostgreSQL, JSON, Database Schema Design Architectural Patterns: MVC, Event-Driven Architecture, Serverless Architecture, Clean Architecture, GraphQL Mobile Development: iOS SDK, Swift, Objective C, Apple XCode, Android SDK, Kotlin, Java Android Studio Mobile Libraries & APIs: Alamofire, SDWebImage, Cocoapods, SQLite, Core Data Web Services & APIs: RESTful API development, Firebase Cloud Messaging, In-App Purchase Integration Code Optimization: Performance tuning, Design patterns, Material Design, Custom UI Elements, Animation Cloud Services: Firebase Analytics, Database, Storage, Hosting, Crash Reporting, AWS, DigitalOcean Social Integrations: Facebook, Twitter, Google SDK Additional Skills: Web Scraping, Image Processing, Deep Linking, Content Provider, BroadcastReceiver, Background Services Tools: Git, Github, Bitbucket, Sketch, Photoshop ----------------------------------------------------- Full Stack Development Expert, Front-end Developer, Back-end Developer, Web App Development, Mobile App Development, React, React.js, Node.js, Nest.js, Nuxt.js, Express.jsJavascript, Typescript, HTML, CSS, CSS3, PHP, Python, API Development, API Integration, RESTful API, Third-Party SDK Integration, Firebase, Firebase Firestore, Analytics, Crashlytics, Cloud Services, AWS, Amazon Web Services, Database Design, Database Management, Mobile App Development, Native App Development, Android Mobile App Development, iOS Mobile App Development, Cross-Platform Mobile App Development, Flutter Mobile App Development, Dart, Java, Kotlin, Swift, SwiftUI, ChatGPT API Integration, Web Development, Web Application, Website Redesign, Website Optimization, Database Development, OpenAI, Agile Software Development, Google Analytics, Google Cloud Platform, RESTful Architecture, Amazon DynamoDB, SQLite, MySQL, MongoDB, Realm Database, PostgreSQL, Firebase Realtime Database, Node.js Framework, Back-End Development, API, React, Front-End Development, Full-Stack Development

I'm a principle software engineer with over a decade of experience designing, developing, and deploying complex web applications and APIs. I have deep expertise in front-end, back-end, and DevOps, and love working across the full stack. Key skills I bring to the table: - Front-End Development: React, Next.js, Svelte, Vue.js, Nuxt.js, TypeScript, Material UI - Back-End & API Development: Node.js (Express, Nest), Python (Flask, Django, FastAPI), PHP (Laravel), Ruby on Rails - Cloud & DevOps: AWS, Azure, GCP, Docker, Kubernetes, CI/CD, TDD, Agile methodologies - Data & Machine Learning: Power BI, Tableau, TensorFlow, PyTorch, scikit-learn - Database Management: MySQL, PostgreSQL, MongoDB, DynamoDB, Supabase - Design & Copywriting Recent client work highlights: -Turning VibeCoded MVPs (i.e. Lovable, Base44, Replit) into fully functioning apps and websites -Fractional/Part-time CTO -Mobile Apps (React Native) -AI training, deployment and integrations - Google Chrome Extensions - Enterprise Next.js website (App Router) - Crypto Payment rails - Led teams of international developers I look forward to the opportunity to bring my expertise and passion to your project. Let's hop on a call and chat about how I can help!

With 8 years + of experience in technology, I specialize in transforming ideas into powerful, scalable solutions across full-stack, enterprise, and AI-driven projects. I offer comprehensive expertise across JavaScript, React, Next.js and the MERN stack for seamless front-end and back-end integration, coupled with advanced skills in Express, Next.js and Laravel for performance-focused application development. I can also work on CMS platform like Wordpress. Key Areas of Expertise: • Web & Mobile App Development: Building responsive, high-performance applications tailored to enhance user engagement and optimize business processes. • Artificial Intelligence Solutions: Leveraging AI to unlock insights, automate processes, and drive intelligent decision-making. • Database Architecture: Designing and managing scalable database systems to handle large datasets and ensure data integrity, availability, and security. • Cloud Architecture: Crafting cloud-native applications with robust architectures, optimizing resources, and ensuring seamless scaling for growth. • CRM & ERP Development: Creating custom CRM and ERP systems that enhance workflow efficiency, improve customer management, and support data-driven decision-making. Career Highlights: • High-Impact Project Management: Led multiple end-to-end projects that integrated complex technologies, from AI and cloud solutions to full-stack applications, successfully increasing client productivity and operational agility. • Cross-Platform Development: Successfully delivered mobile and web applications across iOS, Android, and desktop, adapting seamlessly to client needs and maintaining top-quality UX/UI. • Innovation with Data and AI: Developed AI-powered features that amplified data insights and predictive capabilities, enhancing business intelligence and customer experiences. Technologies and Tools: • Frontend & Backend: JavaScript, Typescript, Next.js, React, MERN Stack, Laravel, Wordpress • Database Management: MySQL, MongoDB, and database scaling solutions • Cloud Platforms: AWS, Azure, Google Cloud Platform • Enterprise Systems: CRM, ERP, with a focus on seamless integrations and data analytics. My mission is to provide clients with results-oriented, scalable solutions, ensuring every project meets both immediate goals and long-term growth. If you’re ready to elevate your project with innovative, architecture-led design and hands-on expertise, let’s work together to bring your vision to life! Regards, Najeeb Khan Keywords: Full Stack Developer, Frontend Developer, Backend Developer, React Developer, Next.js Developer, JavaScript Developer, TypeScript Developer, Node.js Developer, Express.js Developer, MySQL Developer, REST API, API Integration, WordPress Developer, Elementor, Custom Website Development, Responsive Web Design, Business Website, Landing Page, Portfolio Website, E-commerce Website, Web Application, Admin Dashboard, CMS Development, Custom Web Solutions, SEO-Friendly Website, Fast Loading Website, Performance Optimization, Mobile Responsive, Cross-Browser Compatibility, Clean Code, Scalable Web Applications, Secure Web Applications, Bug Fixing, Website Maintenance, React Expert, Next.js Expert, Full Stack Web Developer, MERN Stack Developer, React Frontend Developer, Next.js Developer, Node.js API Developer, Express.js Backend Developer, WordPress Expert, Elementor Developer, Custom Website Developer, Website Redesign, Website Development, SaaS Developer, React, Next.js, Node.js, Express.js, JavaScript, TypeScript, MySQL, WordPress, Elementor, REST API, API Integration, Web Development, Front-End Development, Back-End Development, Responsive Design

✅ Hi there! I'm Don Russell, a full-stack wordpress and shopify developer based in Westchester, New York. With more than 12 years of experience in WordPress, Shopify, WooCommerce, and React JS, I am helping businesses to create user friendly and high performing websites that drive conversions. I don't just build websites, I help build solutions that work for your businesses. Whether it is a custom theme, a plugin, a Shopify store, or a fully optimized web app, I have you covered. Let’s dive into what I can do for you: I am experienced in following languages & Tools: ✓ HTML, CSS, JavaScript, Core PHP ✓ React JS, Node JS, Liquid Shopify ✓ Git, GitHub, Bitbucket ✓ jQuery, Bootstrap, Tailwind, Ajax ✅ WordPress: I'm experienced in delivering customized WordPress solutions that cater to your specific needs. From custom themes and plugin development to advanced website building with tools like Elementor Pro, Divi, Oxygen Builder, and Gutenberg. I guarantee your site will be functional and visually stunning. Whether it’s WooCommerce customization like cart, checkout, shipping methods, ensuring your site is virus free, SSL setup, and site security enhancements, I got you covered. I’m also experienced in seamless API integrations, including WordPress REST API and third-party tools, to extend your site’s functionality. If you have designs in Figma, PSD, or XD, I can transform them into fully responsive and dynamic custom WordPress themes that align perfectly with your vision. ✅ Shopify: I also have years of experience in developing and customizing online storefronts for Shopify development, creating seamless eCommerce experiences tailored to your brand. From building custom Shopify 2.0 themes all the way to advanced theme customization using Liquid code. I can ensure your store is optimized for performance and functionality. Whether you need app integrations like loyalty programs or subscription products, or API setups for CRM tools such as HubSpot and MailChimp, I can handle it all. Checkout extensibility and designing custom sections at the storefront level are among my specialties, which further improve user experience and sales. ✅ React+Node.js: As a React and Node.js developer, I craft interactive web applications with a focus on UI/UX design that engages users and delivers results. I excel in API development and integration, ensuring seamless communication between systems, and optimizing performance through database integration and cutting-edge techniques. Let’s build solutions that are scalable, efficient, and tailored to your business needs! ✅ Website Migration: In order to ensure your website is moved smoothly and safely, I offer a complete website migration service. Whether it's moving one server to another, local test server to a live site environment or some other combination, my process prevents any loss in operating time that might happen during migration. Using manually managed migrations techniques means that I take care to ensure that every single detail is moved over. This covers files and databases relevant to your website, system configuration files including those for the various systems dependencies. If you need a website migrated, I'm your guy!  ✅ Other Services: ✓ Database optimization, malware scans, plugin updates ✓ Email and hosting setup, domain configuration, DKIM/SPF records, backups ✓ ADA compliance and SEO implementation ✅ Why Work With Me? When you choose to work with me, you’re not just hiring a developer — you’re partnering with a Top-Rated Plus Developer on Upwork with a 100% job success score. With over 11 years of experience, I specialize in delivering responsive, secure, and error-free websites that meet your business needs. I’m available Monday–Friday, 9am–5pm EST, ensuring clear communication and timely project updates. Plus, I don’t stop at project delivery—I offer ongoing support to keep your website running smoothly long after completion. Let’s collaborate to bring your vision to life! I know how critical it is to capture attention online. A poorly designed or slow website can cost you leads and sales. Let me help you create a website that stands out and gets results. Let’s jump on a call to discuss your project goals—whether it's a big project or a small task, I’m here to help. I'm looking forward to working with you! Best regards, Don Russell Shopify & WordPress Engineer

Full Stack Developer | Flutter Developer | Mobile App Developer | MERN Stack | .NET | PHP Laravel | AI Developer | QA Automation Engineer I help startups, founders, and businesses build scalable mobile apps, web applications, SaaS platforms, AI-powered products, and high-quality software solutions. With extensive experience in Flutter, React.js, Node.js, .NET, PHP Laravel, Android, iOS, QA Testing, and AI integrations, I deliver end-to-end development—from idea validation and UI/UX implementation to development, testing, deployment, and long-term scaling. Whether you need a Flutter Developer, Mobile App Developer, Full Stack Developer, MERN Stack Developer, React Developer, Node.js Developer, .NET Developer, PHP Laravel Developer, QA Engineer, QA Automation Engineer, Mobile App Tester, or AI Developer, I can help turn your vision into a production-ready product. What I Can Build Mobile App Development Flutter App Development (iOS & Android) Cross-Platform Mobile Applications Native iOS Development (Swift) Native Android Development (Kotlin, Java) Firebase Integration REST API & Third-Party API Integration App Store & Google Play Deployment Mobile App Maintenance & Performance Optimization Full Stack Web Development React.js Development Next.js Development Node.js Development MERN Stack Development ASP.NET Core Development PHP Laravel Development SaaS Application Development CRM & ERP Systems Admin Dashboards & Business Portals Custom Web Applications API Development & Integration QA Testing & Quality Assurance Manual QA Testing Mobile App Testing Web Application Testing Functional Testing Regression Testing API Testing Usability Testing Cross-Browser Testing Cross-Device Testing Test Case Creation & Execution Bug Reporting & Tracking Software Quality Assurance QA Automation QA Automation Framework Development Automated Functional Testing Selenium Automation Testing Mobile Test Automation API Automation Testing CI/CD Testing Integration Automated Regression Testing End-to-End Test Automation AI Development & Automation AI-Powered Applications OpenAI Integration ChatGPT Integration AI Chatbot Development AI Agents & Workflow Automation Recommendation Systems AI-Powered SaaS Products Business Process Automation Technologies Frontend React.js, Next.js, JavaScript, TypeScript, HTML5, CSS3 Mobile Flutter, Dart, Swift, Kotlin, Java Backend Node.js, Express.js, ASP.NET Core, C#, PHP, Laravel Database MongoDB, PostgreSQL, MySQL, Firebase, SQL Server QA & Testing Selenium, Appium, Postman, JMeter, Cypress, Playwright Cloud & DevOps AWS, Azure, Firebase, Docker, CI/CD AI & Automation OpenAI API, ChatGPT, AI Agents, Machine Learning Integrations Why Clients Work With Me ✔ Full Stack Development Expertise ✔ Flutter & Mobile App Development Expertise ✔ Manual QA Testing & Mobile App Testing ✔ QA Automation & Test Automation Expertise ✔ Clean, Scalable & Maintainable Code ✔ Strong Communication & Fast Response ✔ Long-Term Support & Maintenance ✔ Startup MVP to Enterprise-Level Solutions ✔ AI Integration & Automation Expertise If you're looking for a reliable Flutter Developer, Mobile App Developer, Full Stack Developer, QA Automation Engineer, Manual QA Tester, Mobile App Tester, MERN Stack Developer, React Developer, Node.js Developer, .NET Developer, Laravel Developer, or AI Developer who can handle your project from concept to launch, let's discuss your requirements.