Hi, I’m Qasim 👋, helping businesses and startups build, redesign, and scale their online presence, having 5+ years of experience in WordPress and 2+ years of full-stack development with React.js, Next.js, and Node.js.. ⭐️Full-Stack Developer with specialization in React.js, Next.js, NestJS, Redux, and Tailwind CSS. ⭐️ Seeking a proficient collaborator to transform your conceptualization into a tangible reality? Your quest concludes here. ⭐️ Collaborate with me to transform your vision into reality. Whether it's an idea or a design, we'll work together to create something exceptional that fits your budget. As a React developer, web developer, WordPress developer, and full-stack developer, I collaborate closely with project managers, web designers, and stakeholders to bring their ideas to life. My portfolio includes delivering enterprise platforms, custom website design, sophisticated full-stack web developer applications, I’m passionate about delivering high-caliber code and acting as a business strategist for your digital transformation. My role involves designing sophisticated website design structures, developing full-stack software, and turning complex problems into elegant digital products — delivering maximum value for your business. My Expertise:- ✮ React JS| Next JS | Redux ✮ HTML5 | Bootstrap. ✮ WordPress Theme Development. ✮ WordPress Plugin Development. Why choose me as a React Developer and Full-stack software engineer ✅ Top-rated full-stack developer, delivering high-caliber code alongside strong business expertise. ✅ Proactive, delivery-focused — honoring tight schedules while optimizing for maximum ROI. ✅ Flexible — I collaborate across full stack, web development, website design, ui/ux design. ✅ Time & Material basis — pay only for productive hours. ✅ Expertise in React JS development. ✅ Expertise in React and WordPress ✅ Best practices in web development ✅ High-quality, clean code ✅ Responsive design ✅ Reasonable Cost ✅ Fast Delivery My strong side as a Senior full-stack developer 🔥 Front-end: TypeScript, JavaScript, React, Frontend React, React Native, Vue, Redux, Zustand, MobX, GraphQL, HTML5, CSS3 (with Sass, Bootstrap, MaterialUI, Styled-components, Flex, and Grid), Three.js, etc. 🔥 Back-end: Node.js, Next.js, Nest.js, Express, Fastify, PHP, Laravel, Java. 🔥 Databases: Postgres, MySQL, Redis, MongoDB. 🔥 Cloud: Firebase, Docker, AWS (EC2, RDS, API Gateway, S3, CloudFront), Amplify. 🔥 C# Azure Func­tion App for enterprise services. 🤝 Let's collaborate! Contact me for a project audit, technical consultation, or to develop a roadmap for your project, whether you need a custom platform, sophisticated enterprise application, or a well-designed website. Looking forward to a long-term, win-win partnership. Regards Muhammad Qasim

𝗪𝗵𝗲𝗻 𝘆𝗼𝘂'𝗿𝗲 𝗵𝗶𝗿𝗶𝗻𝗴 𝗮 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿, 𝘆𝗼𝘂'𝗿𝗲 𝗻𝗼𝘁 𝗷𝘂𝘀𝘁 𝗹𝗼𝗼𝗸𝗶𝗻𝗴 𝗳𝗼𝗿 𝘁𝗮𝗹𝗲𝗻𝘁 𝗮𝗻𝗱 𝗰𝗿𝗲𝗮𝘁𝗶𝘃𝗶𝘁𝘆 𝘆𝗼𝘂 𝗮𝗹𝘀𝗼 𝗻𝗲𝗲𝗱 𝘀𝗼𝗺𝗲𝗼𝗻𝗲 𝘄𝗵𝗼’𝘀 𝗽𝗿𝗼𝗮𝗰𝘁𝗶𝘃𝗲, 𝘀𝘁𝗿𝗮𝘁𝗲𝗴𝗶𝗰, 𝗮𝗻𝗱 𝗼𝗿𝗴𝗮𝗻𝗶𝘇𝗲𝗱. 𝗧𝗵𝗮𝘁’𝘀 𝗲𝘅𝗮𝗰𝘁𝗹𝘆 𝗵𝗼𝘄 𝗜 𝗮𝗽𝗽𝗿𝗼𝗮𝗰𝗵 𝗲𝘃𝗲𝗿𝘆 𝗽𝗿𝗼𝗷𝗲𝗰𝘁!📈🎯 I'm someone who loves building things that work and work very well. I take complex ideas and turn them into clean, 𝘂𝘀𝗲𝗿-𝗳𝗿𝗶𝗲𝗻𝗱𝗹𝘆 𝗳𝗮𝘀𝘁 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀. I’ve found that I work best with founders and teams who value 𝗰𝗹𝗮𝗿𝗶𝘁𝘆, 𝘀𝗽𝗲𝗲𝗱, 𝗮𝗻𝗱 𝗿𝗲𝘀𝘂𝗹𝘁𝘀! Over the last 7 years, I’ve developed web and mobile applications across a wide range of industries like: 𝗧𝗥𝗔𝗩𝗘𝗟, 𝗠𝗨𝗦𝗜𝗖, 𝗙𝗜𝗡𝗧𝗘𝗖𝗛, 𝗜𝗡𝗩𝗢𝗜𝗖𝗜𝗡𝗚, 𝗔𝗖𝗖𝗢𝗨𝗡𝗧𝗜𝗡𝗚, 𝗘𝗗𝗧𝗘𝗖𝗛, 𝗘-𝗖𝗢𝗠𝗠𝗘𝗥𝗖𝗘, 𝗗𝗔𝗧𝗜𝗡𝗚, 𝗟𝗢𝗚𝗜𝗦𝗧𝗜𝗖𝗦, 𝗧𝗥𝗔𝗡𝗦𝗣𝗢𝗥𝗧, 𝗔𝗡𝗗 𝗛𝗘𝗔𝗟𝗧𝗛𝗖𝗔𝗥𝗘 each with its own unique set of challenges and goals. Along with solid technical skills, I bring 𝗰𝗹𝗲𝗮𝗿 𝗰𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻, 𝗾𝘂𝗶𝗰𝗸 𝗮𝘃𝗮𝗶𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆, and a 𝗳𝗿𝗶𝗲𝗻𝗱𝗹𝘆, 𝗲𝗮𝘀𝘆𝗴𝗼𝗶𝗻𝗴 𝗮𝘁𝘁𝗶𝘁𝘂𝗱𝗲. I’m always happy to jump on a quick call to talk things through or offer advice where needed. I genuinely enjoy what I do. There’s something incredibly rewarding about 𝘀𝗼𝗹𝘃𝗶𝗻𝗴 𝗿𝗲𝗮𝗹 𝗽𝗿𝗼𝗯𝗹𝗲𝗺𝘀 and seeing 𝗵𝗮𝗽𝗽𝘆 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 at the end of it. Whether it's a tricky bug or a complex feature request, I’m always up for the challenge and committed to getting it done right! When you work with me, you’re not just hiring a developer you’re getting someone who truly cares about the outcome and treats your project like their own! Feel free to hit "𝐈𝐍𝐕𝐈𝐓𝐄" button or "𝗥𝗘𝗣𝗟𝗬" on my proposal. I am 𝗮𝘃𝗮𝗶𝗹𝗮𝗯𝗹𝗲 𝘁𝗼 𝘀𝘁𝗮𝗿𝘁 𝗜𝗺𝗺𝗲𝗱𝗶𝗮𝘁𝗲𝗹𝘆!

Helping startups build and scale SaaS, AI-powered applications, and custom web platforms with React, Next.js, Node.js, TypeScript, AWS, and OpenAI. Senior Full Stack Engineer with 5+ years of experience delivering production-ready products, AI integrations, automation systems, and scalable cloud architectures that help businesses launch faster and grow efficiently. Core Technologies: • AI & Automation: OpenAI, LangChain, AI Agents, RAG Systems, Workflow Automation • Frontend: React, Next.js, TypeScript, JavaScript, Tailwind CSS • Backend: Node.js, Express.js, NestJS • Databases: MongoDB, PostgreSQL, MySQL, Supabase, Firebase • Cloud & DevOps: AWS, Docker, CI/CD, Vercel • Mobile: React Native What I Can Help You Build: • AI-Powered Applications & AI Agents • SaaS Platforms • MVP Development • Custom Web Applications • REST APIs & Third-Party Integrations • Mobile Applications • Automation & Business Process Solutions • Cloud Infrastructure & Performance Optimization I've worked with startups and growing businesses across multiple industries, helping them transform ideas into production-ready products, modernize existing systems, and scale applications for increasing user demand. If you're looking for a reliable engineering partner who can take ownership of your project and deliver high-quality results, feel free to send me a message or review my portfolio. I'd be happy to discuss your project.

Top Rated Plus | 100% Job Success | 900+ Hours | 5+ Years Experience | Certified Make Level 5 I design and build AI powered automation systems, scalable SaaS platforms, and full stack web applications as an AI Automation Engineer and Full Stack Architect. My work helps founders and operations teams reduce manual workload, streamline processes, and launch production ready AI features faster. As an AI Automation Engineer, I build intelligent workflows using n8n and Make that connect CRMs, marketing tools, payment systems, support platforms, and internal dashboards. From lead routing and onboarding automation to AI powered ticketing and reporting systems, I focus on clean architecture that scales. As a Full Stack AI Developer, I manage end to end builds across backend, frontend, and cloud. This includes AI chatbots, internal copilots, generative AI features, and SaaS platforms built with React, Next.js, Node.js, and Python. I handle architecture, API design, database modeling, integrations, and deployment. Clients work with me for: • AI chatbot and AI agent development • n8n and Make workflow automation • SaaS MVP development and scaling • API integrations and backend systems • Cloud deployment and production optimization Core technologies include JavaScript, TypeScript, Python, React, Next.js, Node.js, PostgreSQL, MongoDB, Docker, AWS, GCP, OpenAI, TensorFlow, PyTorch, n8n, and Zapier. I combine strategic thinking with hands on execution. That means clean code, reliable systems, and solutions designed around real business workflows not just technical theory. If you’re building an AI driven product or want to automate operations properly, I can help you design and implement it the right way.

Need a modern, fast, and responsive website that not only looks great but also performs flawlessly? I help businesses, startups, and agencies build scalable web applications and eCommerce experiences that are clean, user-friendly, and optimized for performance. I'm Allen Edward Cartagenas, a Front-End Developer specializing in modern JavaScript frameworks, responsive UI development, headless CMS integrations, and eCommerce solutions. I focus on creating seamless digital experiences that work across all devices and browsers. ━━━━━━━━━━━━━━━ 💻 What I Can Help You With ━━━━━━━━━━━━━━━ ✅ Front-End Development • React.js • Next.js • Gatsby • TypeScript • JavaScript (ES6+) • HTML5 / CSS3 / Sass ✅ Responsive & Modern UI • Tailwind CSS • Bootstrap • Chakra UI • Shadcn • Mobile-First Development • Cross-Browser Compatibility ✅ Headless CMS & Backend • Strapi • Sanity • Supabase ✅ eCommerce Development • Shopify • MedusaJS • Ecwid ✅ API & Third-Party Integrations • HubSpot • Zoho • Hasura • Algolia • Stripe ✅ Deployment & Optimization • Vercel • Netlify • Render • Git/GitHub • Lighthouse Performance Optimization ━━━━━━━━━━━━━━━ 🎯 What You Can Expect From Me ━━━━━━━━━━━━━━━ ✔ Clean, maintainable, and scalable code ✔ Fast communication and reliable updates ✔ Pixel-perfect implementation from design to development ✔ Performance-focused and SEO-friendly websites ✔ A collaborative developer who values your business goals Whether you need: • A landing page • A full web application • An eCommerce store • A headless CMS setup • API integrations • Website optimization • Ongoing front-end support —I’m ready to help bring your project to life. ━━━━━━━━━━━━━━━ 📩 Let’s Work Together ━━━━━━━━━━━━━━━ If you're looking for a developer who combines technical expertise with attention to user experience, send me a message and let’s discuss your project. I’d be happy to schedule a discovery call and see how I can help.

Hello! I'm Muhamed, a passionate software engineer. I've been in the field for over a decade; my experience spans across web, mobile, and desktop applications, and I've worked with high-profile startups. I'm known for my problem-solving skills, attention to detail, and ability to deliver high-quality work on time. My main goal is to help you create exceptional architectures and implement scalable back ends for your projects. I'm committed to understanding your unique needs and delivering solutions that not only meet but exceed your expectations. My experience includes front-end development with JavaScript, CSS, HTML, React, Vue, Angluar, etc, as well as back-end development with Python and Node.js, Rust, Ruby, Go, PHP, etc. I've also worked with databases like SQL and NoSQL, and I'm familiar with cloud platforms like AWS and Google Cloud. I understand that a successful project involves clear communication, collaboration, and continuous learning. I'm ready to work closely with you to understand your project requirements, provide regular updates, and ensure that your vision is brought to life. If you're looking for a reliable, experienced, and passionate software engineer, don't hesitate to contact me. I'm excited about the possibility of working with you and contributing to your project's success.

𝗙𝗹𝘂𝘁𝘁𝗲𝗿 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 & 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘀𝘁 | 𝗢𝗽𝗲𝗻𝗔𝗜, 𝗖𝗹𝗮𝘂𝗱𝗲, 𝗠𝗮𝗻𝘂𝘀 | 𝗦𝘁𝗮𝗰𝗸 𝗢𝘃𝗲𝗿𝗳𝗹𝗼𝘄 𝗧𝗼𝗽 100 | 𝗙𝗹𝘂𝘁𝘁𝗲𝗿 𝗛𝗮𝗰𝗸𝗮𝘁𝗵𝗼𝗻 𝗪𝗶𝗻𝗻𝗲𝗿 With 10+ years of experience in mobile app development, I specialize in building intelligent, AI-powered applications using Flutter and cutting-edge AI technologies. I bridge the gap between mobile development and artificial intelligence to create apps that are not just functional, but truly smart. As Engineering Lead at 7Span, I've pioneered the integration of AI capabilities into mobile applications, enhancing user experiences through intelligent features like natural language processing, computer vision, and predictive analytics. My expertise spans both the technical implementation of AI services (OpenAI, Firebase ML) and the architectural considerations needed to create responsive, efficient AI-powered mobile apps. My technical approach combines Clean Architecture, efficient state management, and seamless AI service integration. This expertise is recognized through my Community Choice win in the Flutter Puzzle Hackathon and ranking among Stack Overflow's top 100 contributors. I've successfully delivered multiple AI-enhanced mobile applications, including an expense tracking app with OpenAI receipt scanning and categorization, recommendation systems, and intelligent chatbots. I'm also well-versed in leveraging AI productivity tools like 𝗖𝗹𝗮𝘂𝗱𝗲, 𝗚𝗿𝗼𝗸, 𝗠𝗮𝗻𝘂𝘀, 𝗔𝗜 𝗦𝘁𝘂𝗱𝗶𝗼, 𝗮𝗻𝗱 𝗣𝗲𝗿𝗽𝗹𝗲𝘅𝗶𝘁𝘆 to optimize development workflows. Why clients like working with me: - I contribute beyond code with AI strategy, implementation insights, and architecture input - I actively share knowledge on GitHub & StackOverflow and ranked Top 100 in India, Top 5 in my state - Winner of the Flutter Puzzle Hackathon hosted by the Flutter team - Comfortable working independently, syncing with data science teams, or collaborating with backend engineers 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗢𝗳𝗳𝗲𝗿𝗲𝗱: • AI-Enhanced Mobile App Development (Flutter, Android) • OpenAI API Integration (GPT, DALL-E, Whisper) • Intelligent Document Processing & Data Extraction • Natural Language Processing Features • Chatbot & Conversational UI Implementation • Recommendation Systems & Personalization • Computer Vision Integration • Predictive Analytics & Machine Learning Features • Voice Recognition & Processing • AI-Powered Search & Discovery Features • Cross-Platform AI Implementation (iOS & Android) 𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: 🧠 𝗔𝗜 & 𝗠𝗮𝗰𝗵𝗶𝗻𝗲 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 • OpenAI API integration (GPT, DALL-E, Whisper) • Firebase ML Kit implementation • TensorFlow Lite for on-device ML • Natural Language Processing (NLP) • Computer Vision integration • Recommendation algorithms • Sentiment analysis • AI productivity tools (Claude, Grok, Manus, AI Studio, Perplexity) 🔧 𝗖𝗼𝗿𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 • Flutter: Dart, BLoC, MobX, sqflite, moor/drift, Provider, HTTP, GetX • Android: Java, Kotlin, MVVM, MVC, MVP • React Native: TypeScript, Redux Toolkit, RTK Query, Axios • Clean Architecture principles and implementation • Deep understanding of app lifecycle, performance, and testing ☁️ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 • Firebase (Auth, Firestore, FCM, App Check, Analytics, Functions) • Supabase (Authentication, Database, Storage, Edge Functions) • AWS services, RESTful APIs, and JSON-based data flow • Experience with GetStream, Algolia, Stripe, and in-app purchase systems 🧪 𝗧𝗲𝘀𝘁𝗶𝗻𝗴 & 𝗗𝗲𝘃𝗢𝗽𝘀 • Unit & Integration Testing, TDD • CI/CD pipelines (Bitrise, Codemagic, GitHub Actions) • Git (GitHub, GitLab, Bitbucket), VSTS, SVN • Play Store & App Store deployment, TestFlight, Diawi distribution 🗺️ 𝗢𝘁𝗵𝗲𝗿 𝗙𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 • Geolocation, Maps, Background services • Media (audio, video, image) capture & processing • Push notifications, deep linking, dynamic links • Third-party SDK/API integration (Facebook, Google, Analytics, Payments) 𝗣𝗼𝗿𝘁𝗳𝗼𝗹𝗶𝗼 𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁𝘀:  • 𝗭𝗮𝗰𝘁𝗮 – 𝗔𝗜-𝗣𝗼𝘄𝗲𝗿𝗲𝗱 𝗘𝘅𝗽𝗲𝗻𝘀𝗲 𝗧𝗿𝗮𝗰𝗸𝗶𝗻𝗴: Developed an intelligent expense sharing app with OpenAI-powered receipt scanning that automatically extracts and categorizes items, assigns expenses to group members, and provides spending insights. 𝗔𝗰𝗵𝗶𝗲𝘃𝗲𝗺𝗲𝗻𝘁𝘀: • Pioneered AI integration in multiple mobile applications across diverse domains • Community Choice Winner - Flutter Puzzle Hackathon • Ranked among top 100 Stack Overflow users in India (Top 5 in Gujarat) • Marketing & Communication Lead at GDG Cloud Rajkot • Regular mentor for mobile developers on Topmate 𝗖𝗮𝗹𝗹 𝘁𝗼 𝗔𝗰𝘁𝗶𝗼𝗻: Looking to enhance your mobile app with artificial intelligence? Let's connect for a quick 15-minute chat to explore how AI integration can transform your application and provide unique value to your users.

I am an accomplished Full-Stack Developer with over a decade of experience specializing in React, Angular, Node, .NET, Contentful, WordPress, and Shopify. I bring to the table a comprehensive understanding of modern web technologies. My expertise lies in developing high-performance, scalable web applications using the latest tools and best practices. My proficiency extends to the following technologies: ✓ React.js, Next.js, Angular ✓ JavaScript/TypeScript ✓ Redux, Node.js ✓ .NET, .NET Core, C#, MVC, Sitecore ✓ Contentful, WordPress, Shopify ✓ HTML/CSS, HTML5/CSS3 ✓ React Router, React Hooks, React Navigation ✓ Material UI, UI/UX implementation ✓ API and third-party integration ✓ Webpack, Formik, Bootstrap ✓ GitHub/GitLab, and more I have a proven track record of successfully transforming legacy systems into modern cloud architectures. I excel at driving the adoption of Agile best practices and leading teams to deliver impactful solutions within tight timelines. With my commitment to technical excellence, your web applications will not only meet but also surpass industry standards. I am eager to connect with you and bring your vision to life. Let's collaborate and create exceptional web experiences together!

Are you looking for a seasoned frontend expert who can jump in and deliver clean, scalable, production-ready code from day one? Though I’m new to Upwork, I’ve spent the last 5+ years building high-performance React and Next.js applications for startups and fast-scaling businesses -- now, I’m bringing that same level of precision and dedication to this platform. I specialize in turning complex requirements into beautiful, efficient web applications. Whether it’s launching an MVP, improving performance, or scaling your product for millions of users, I’ve been there -- and I can help you do it, too. ✅ Highlights: • Built & maintained a multi-vendor tourism platform with thousands of daily users • Worked on subscription-based SaaS platforms, improving performance & code quality • Capable of delivering pixel-perfect, responsive UIs that users love • Experienced in cross-functional collaboration, working directly with founders, designers, and backend teams 🔧 Tech Stack & Tools React.js · Next.js · TypeScript · JavaScript (ES6+) · Zustand · Redux Toolkit · Tailwind CSS · Material UI · Bootstrap · SASS · HTML5/CSS3 · Nest.js · React Query · GraphQL · WebSockets · GitHub · Bitbucket · Vercel · Webpack · REST APIs · Agile · JIRA · Confluence · Clerk · OAuth · Stripe 💡 Why work with me? • I write maintainable, testable code with the future in mind. • I’m reliable, communicative, and take deadlines seriously. • I bring a product mindset -- thinking beyond code, into business impact. 🌱 New to Upwork, but not new to excellence. I’m here to build long-term relationships and deliver real value. Let’s turn your idea into a smooth, scalable product—together. 📩 Ready when you are. Hit that invite button, and let’s build something great.

I'm a Senior Software Engineer with 4 years of experience in building robust applications using Node.js and React.js. I thrive on unraveling complex problems and crafting smart, efficient solutions. My journey in tech has been about creating highly functional, user-friendly applications while staying ahead in the fast-paced world of web development. Whether it's designing sophisticated features, optimizing performance, or collaborating with teammates, I'm passionate about building impactful solutions that truly make a difference. My expertise: Backend: Node, JavaScript, TypeScript Frontend: React, Redux, Vue Database: SQL (i.e. MySQL), NoSQL (i.e. MongoDB, DynamoDB) Cache: Redis Cloud: AWS (i.e. Lambda, API Gateway, RDS, DynamoDB, S3..etc) Search: Algolia Testing: Jest (Unit testing) Other: Git, Bitbucket