I am a 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 having expertise in 𝗣𝗛𝗣, 𝗟𝗮𝗿𝗮𝘃𝗲𝗹, 𝗣𝘆𝘁𝗵𝗼𝗻, 𝗥𝗲𝗮𝗰𝘁, 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁, 𝗮𝗻𝗱 𝗪𝗼𝗿𝗱𝗣𝗿𝗲𝘀𝘀 with 6 years of experience delivering fully functional, high-performance, and scalable web applications. My expertise in PHP, Laravel, Python, React, JavaScript, and WordPress allows me to build end-to-end solutions, including 𝗦𝗮𝗮𝗦 𝗠𝗩𝗣𝘀, 𝗳𝘂𝗹𝗹 𝗦𝗮𝗮𝗦 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁, 𝗔𝗣𝗜 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀, and custom WordPress applications in PHP. I specialize in creating secure, optimized, and maintainable code for SaaS platforms, eCommerce solutions, and custom web applications, ensuring modern businesses get reliable and scalable digital products. 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗜 𝗢𝗳𝗳𝗲𝗿: - Custom SaaS application development - WordPress websites, WooCommerce stores, and plugin development - Third-party API integration and automation - Web application performance optimization and security enhancements - Frontend and backend development for complex web solutions 𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: - Languages: PHP, JavaScript, Python - Frameworks: Laravel, Flask - Frontend: React, Next.js, HTML, CSS, jQuery, Bootstrap, Tailwind CSS - CMS: WordPress (Frontend, Elementor, WooCommerce, Custom Plugin & Theme Development, Child Theme Customization, Backend Development) ✔ 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗦𝗲𝗿𝘃𝗲𝗱: - eCommerce - SaaS - Healthcare - Education - FinTech I am passionate about turning ideas into fully functional digital solutions. Let’s connect to discuss how I can help bring your project to life efficiently and effectively.

I build fast, reliable, and secure web applications for businesses that can't afford downtime or data breaches and I deliver them on time. With 4+ years of hands-on experience in full-stack development, I specialize in React, Node.js, Laravel, and PHP to create everything from MVPs to complex enterprise-grade applications. What sets me apart: I don't just build your app I also identify and fix the security vulnerabilities before attackers do. 🔧 WHAT I BUILD • Custom web applications (React + Node.js / Laravel + PHP) • REST APIs and third-party integrations • Database architecture (MySQL, PostgreSQL, MongoDB) • Admin dashboards, SaaS platforms, e-commerce systems • WordPress development and customization 🔒 SECURITY SERVICES I OFFER (as an add-on or standalone) • Web application penetration testing (OWASP Top 10) • SQL injection, XSS, CSRF, authentication vulnerability testing • WordPress security audits • Detailed security reports with remediation steps WHY CLIENTS CHOOSE ME ✔ Certified in AWS Security, Ethical Hacking, and Cyber Threat Management ✔ Strong communication I give regular updates and never go silent ✔ I write clean, documented code that your team can maintain ✔ Fast turnaround without cutting corners on quality Whether you need a full web application built from scratch, an existing codebase improved, or your live site tested for vulnerabilities I'm the developer who can do both. Let's talk about your project. Message me and I'll respond within a few hours.

🏆 TOP RATED 🏆 10+ years of experience 🏆 100% Success Rate 🏆 High Quality work ☑️ 5500+ Upwork Hours ☑️ Reasonable Cost ⭐Top-Rated Full-Stack Developer with 10+ years of experience building custom web applications and APIs that are fast, secure, and scalable. ▶ What I Can Do for You: ✔ Custom Web Applications – Scalable and high-performance solutions using Laravel, Symfony, and CodeIgniter ✔ API Development & Integration – Secure RESTful APIs and third-party integrations (Twilio, Google APIs, AWS) ✔ Frontend & UI Development – Dynamic and responsive interfaces with Vue.js & JavaScript ✔ Database Optimization – Efficient data handling with MySQL, MongoDB, PostgreSQL ✔ Authentication & Security – Secure login systems with OAuth, Firebase Auth, JWT, role-based access control (RBAC) ✔ Server & Cloud Management – Deployment and hosting on AWS, Firebase, cPanel ▶ Why Work With Me? ✔ Expert in PHP & JavaScript Frameworks – Laravel, Symfony, CodeIgniter, Vue.js ✔ Scalable & Maintainable Code – Clean, efficient, and optimized for future growth ✔ Reliable & Communicative – Fast responses, clear updates, and on-time delivery 💬 Let’s discuss your project! Message me to get started.

Top-rated full stack developer with 100% Job Success and $20k+ earned on Upwork. Specializing in React, Next.js, and Laravel. I've worked across SaaS platforms, product dashboards, API-driven systems, and frontend architecture. Mostly alongside startup teams and agencies who need reliable execution, not hand-holding. What I typically work on: ✔ React / Next.js web application development ✔ SaaS product builds and feature iteration ✔ Laravel backend development and API integration ✔ Dashboards, admin panels, and internal tool ✔ Frontend cleanup, enhancement, and optimization ✔ Stepping into codebases and improving them ✔ Bug fixing, performance improvements, and maintenance ✔ Database design and scalable backend workflows Why clients hire me: ✔ Strong frontend + backend execution ✔ Clean communication and dependable delivery ✔ Fast onboarding into existing projects ✔ Practical solutions focused on business results Need a developer who can handle both frontend and backend without hand-holding? Send me the project details and I'll tell you exactly how I'd approach it.

Are you looking for a Full Stack Developer who delivers clean code, scalable architecture, and real business results? You're in the right place. I'm a Full Stack Developer specializing in SaaS platforms, AI-powered web applications, and high-performance APIs. With deep expertise in React, Node.js, MongoDB, and Python, I help startups and businesses turn ideas into fully functional, production-ready products. 𝐖𝐇𝐀𝐓 𝐈 𝐁𝐔𝐈𝐋𝐃 𝐅𝐎𝐑 𝐘𝐎𝐔: ✅ SaaS Platforms & MVP Development ✅ AI Integrations (OpenAI, LangChain, Claude API) ✅ Full Stack Web Applications (MERN + Next.js) ✅ REST & GraphQL API Development ✅ Database Design (MongoDB, PostgreSQL, MySQL) ✅ Python Automation & Backend Development ✅ Third-Party API Integrations (Stripe, Twilio, Firebase) ✅ Cloud Deployment (AWS, Vercel, Netlify, Docker) 𝐌𝐘 𝐓𝐄𝐂𝐇 𝐒𝐓𝐀𝐂𝐊: ► Frontend: React.js | Next.js | TypeScript | Tailwind CSS | Redux ► Backend: Node.js | Express.js | Python | FastAPI | Django ► Database: MongoDB | PostgreSQL | MySQL | Supabase | Firebase ► AI/ML: OpenAI API | LangChain | Hugging Face | Claude API ► DevOps: AWS | Docker | Vercel | GitHub Actions | CI/CD ► Tools: REST APIs | GraphQL | Stripe | WebSockets | JWT Auth 𝐖𝐇𝐘 𝐂𝐋𝐈𝐄𝐍𝐓𝐒 𝐂𝐇𝐎𝐎𝐒𝐄 𝐌𝐄: ✔ Clean, well-documented & scalable code ✔ On-time delivery always ✔ Clear communication throughout the project ✔ Post-delivery support included ✔ Agile workflow with regular progress updates ✔ NDA-friendly & long-term partnership focused 𝐓𝐘𝐏𝐄𝐒 𝐎𝐅 𝐏𝐑𝐎𝐉𝐄𝐂𝐓𝐒 𝐈 𝐋𝐎𝐕𝐄: ► SaaS dashboards and subscription-based platforms ► AI chatbots, automation tools & LLM-powered apps ► E-commerce platforms with payment gateway integrations ► Real-time apps using WebSockets ► Custom CRM, ERP & business management systems ► API development & third-party service integrations 𝐈𝐍𝐃𝐔𝐒𝐓𝐑𝐈𝐄𝐒 𝐈'𝐕𝐄 𝐖𝐎𝐑𝐊𝐄𝐃 𝐖𝐈𝐓𝐇: FinTech | HealthTech | EdTech | E-Commerce | Real Estate | Logistics LegalTech | HRTech | TravelTech | SaaS Startups | Social Media Platforms On-Demand Services | Food & Restaurant | CRM & ERP Systems | Cybersecurity Blockchain & Web3 | Media & Entertainment | Non-Profit | Insurance | Retail 𝐂𝐋𝐈𝐄𝐍𝐓 𝐑𝐄𝐒𝐔𝐋𝐓𝐒 𝐓𝐇𝐀𝐓 𝐒𝐏𝐄𝐀𝐊: 1. "Wahid consistently finds creative solutions and is always available to work through challenges. I’ve completed two site projects with his team, and both exceeded expectations. In each case, they added features I hadn’t originally considered that meaningfully improved the site’s functionality. I would absolutely recommend Wahid and his team" 2. "Outstanding experience working with Mian.Strong expertise in PHP and React, delivered clean and efficient code. Very responsive and reliable. Would definitely hire again" 𝐋𝐄𝐓'𝐒 𝐁𝐔𝐈𝐋𝐃 𝐒𝐎𝐌𝐄𝐓𝐇𝐈𝐍𝐆 𝐆𝐑𝐄𝐀𝐓: Whether you need a complete web application from scratch, an AI-powered feature added to your existing product, or a scalable backend API I'm here to make it happen. 𝐒𝐞𝐧𝐝 𝐦𝐞 𝐚 𝐦𝐞𝐬𝐬𝐚𝐠𝐞 𝐨𝐫 𝐢𝐧𝐯𝐢𝐭𝐞 𝐦𝐞 𝐭𝐨 𝐲𝐨𝐮𝐫 𝐣𝐨𝐛 𝐭𝐨𝐝𝐚𝐲. 𝐋𝐞𝐭'𝐬 𝐝𝐢𝐬𝐜𝐮𝐬𝐬 𝐲𝐨𝐮𝐫 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝐚𝐧𝐝 𝐠𝐞𝐭 𝐬𝐭𝐚𝐫𝐭𝐞𝐝!

Hey! Invite me as your AI colleague and I will help you find where AI can save time, reduce cost, and create measurable ROI in your business. 🌟 Senior Full Stack and AI Engineer for SaaS, AI Agents, Automation 🚀 Scaled platforms to 1 Million+ users 💰 Supported $1 Million and $0.5 Million funded startups 💯 100% client satisfaction 🤝 90% recurring clients 🏆 12+ years of professional experience ⭐ 26,732 plus Upwork hours delivered 🔥 $600K+ plus earned through long term client work ✨ 81 plus five star projects completed I use modern workflows and AI coding tools to move up to 5x faster while still reviewing architecture, security, data flow, and code quality manually. Speed matters, but reliability matters more. Built MVPs for startups with $12 Million+ funding raised and products serving 1.5 Million+ users worldwide. 🔥 𝟳𝟱% 𝗛𝗥 𝗿𝗲𝗱𝘂𝗰𝗲𝗱 with AI Agent Development. 🔥 𝟯-𝟲𝘅 𝗥𝗢𝗜. 𝟴𝟬𝟬+ 𝗵𝗼𝘂𝗿𝘀 n8n Automation. Over 12 years I've delivered $670K+ across Web Development, Web Application, and AI Agent Development engagements in FinTech, HealthTech, PropTech, and B2B SaaS. My clients have collectively raised $12 Million+ in funding: 🔥 Tallyfy ($1.4M), MetaBeta (€500K) 🔥 Elevatus ($10.5M) 🔥 scaled to 1 Million+ active users. I am a full stack developer and AI developer with 12 years of experience building production systems across FinTech, HealthTech, PropTech, and B2B SaaS. My clients have raised $12M+ in funding including Tallyfy ($1.4M), MetaBeta (€500K), and Elevatus ($10.5M), and scaled products to 1.5 Million+ active users worldwide. Over 12 years I have delivered $670K+ across web development, web application, and AI agent development engagements with 90% recurring clients and 100% satisfaction. ✅ 12+ years | $670K+ delivered | 1.5M+ users scaled | $12M+ client funding raised ✅ AI agent development: 75% HR reduction, 3-6x ROI, 800+ hours of n8n automation ✅ Full stack development: 40+ production systems across FinTech, HealthTech, PropTech, SaaS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Key results from recent engagements: ▸ Reduced a client's HR overhead by 75% using a Python and LangChain AI agent that replaced 3 full-time employees with a 24/7 autonomous sales system ▸ Built API integration pipelines unifying 12 platforms simultaneously and processing 500+ daily NLP queries ▸ n8n automation across 30 active marketing workflows drove a 40% increase in lead generation ▸ AI chatbot and AI app development solutions returning 3-6x ROI within the first 90 days ▸ PostgreSQL optimizations delivering 3x query performance improvements across high-traffic applications ▸ German tax-filing SaaS processing 36 Million+ declarations on Laravel and PostgreSQL ▸ HIPAA-compliant healthcare platform on Node.js, React, and TypeScript ▸ PropTech portal on Next.js, FastAPI, and PostgreSQL handling 100+ search parameters ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗔𝗜 𝗔𝗴𝗲𝗻𝘁 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ AI agent development is my primary engineering focus. I design and build full agentic pipelines using Python, LangChain, and machine learning, from RAG-powered vector retrieval and knowledge graphs through to voice AI bots and autonomous multi-agent orchestration. Every AI agent system I deliver applies prompt engineering discipline and data science principles for domain accuracy. I treat AI development as a full-stack business transformation, not a feature addition. I layer API integration, API development, and RESTful API surfaces over FastAPI, Django, and Node.js backends, then deliver them through React, Vue.js, and Next.js frontends. Every AI agent development system I architect applies data science and prompt engineering for domain accuracy. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ I build backend systems on PHP, Laravel, Django, FastAPI, Node.js, NestJS, ExpressJS, and Ruby on Rails. Frontend interfaces are built with React, Vue.js, Next.js, Angular, TypeScript, JavaScript, HTML5, CSS3, and Tailwind CSS. Databases are PostgreSQL, MySQL, and MongoDB. Deployments run on Docker and AWS. I have delivered 40+ production full stack systems across every major vertical. API integration, API development, HTML5, and RESTful API connectivity are non-negotiable standards in every full stack project I lead. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗪𝗲𝗯 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 & 𝗪𝗲𝗯 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ I have built web application and web development systems across every major vertical. React and Next.js frontends pair with PHP, Laravel, and Node.js backends grounded on PostgreSQL, MySQL, and MongoDB. I bring CSS3, HTML5, Tailwind CSS, TypeScript, and automation engineering precision to every interface. Every system I deliver is production-grade, documented, and built to scale. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

🚀 Senior Full Stack Developer | React, Node.js & Laravel | SaaS, APIs & Scalable Web Applications Top-Rated Full Stack Developer | 10+ Years Experience | 7,000+ Hours | SaaS & Product Development Specialist React.js, Next.js, Node.js, Laravel | MVP Development | API Integrations | Cloud Deployment I help startups and businesses build scalable SaaS platforms, dashboards, APIs, and custom web applications using modern full-stack technologies. With 10+ years of experience, 7,000+ Upwork hours, and a 100% Job Success Score, I’ve delivered production-ready solutions that focus on performance, scalability, and real business outcomes. ✦ What I Can Help You Build ⇝ SaaS & MVP Development Build production-ready SaaS applications from idea to launch with scalable architecture and clean code structure. ⇝ Dashboard & Admin Panels Develop modern admin dashboards with role-based access, analytics, reporting, and data management systems. ⇝ API & Backend Development Design secure and scalable REST APIs, authentication systems, webhooks, and third-party integrations. ⇝ Custom Web Applications Build tailored business applications that solve real operational challenges and improve workflow efficiency. ⇝ Payment & Subscription Systems Integrate Stripe, PayPal, recurring billing, subscription models, and SaaS monetization systems. ⇝ Cloud Deployment & Maintenance Deploy applications on AWS, DigitalOcean, and Vercel with CI/CD pipelines and ongoing optimization. ✦ Technologies I Work With Frontend: React.js, Next.js, TypeScript, JavaScript, Redux, Tailwind CSS, Material UI Backend: Node.js, Express.js, NestJS, PHP, Laravel Databases: PostgreSQL, MySQL, MongoDB, Redis APIs: REST, GraphQL, OAuth, JWT, Webhooks Payments: Stripe, PayPal, Subscription Systems Cloud & DevOps: AWS, DigitalOcean, Vercel, Docker, CI/CD ✦ Why Clients Work With Me ✔ 10+ Years of Full Stack Development Experience ✔ 7,000+ Hours Successfully Delivered on Upwork ✔ Strong SaaS & Startup Product Experience ✔ Focus on Scalable, Maintainable Architecture ✔ End-to-End Product Development (Idea → Deployment) ✔ Reliable Communication & On-Time Delivery ✔ Long-Term Technical Partnership Mindset ✦ Ideal For • SaaS Startups • MVP Development • Founder-Led Products • Admin Dashboards • CRM / Internal Tools • Subscription-Based Platforms • API-Driven Applications 🚀 Let’s Work Together If you're building a SaaS platform, MVP, dashboard, API, or custom web application, I can help you design and develop a scalable solution aligned with your business goals. Let’s connect and discuss your project requirements. #HireFullStackDeveloper #SaaSDeveloper #MVPDeveloper #ReactDeveloper #NextJSDeveloper #NodeJSDeveloper #TypeScriptDeveloper #StartupDeveloper #WebApplicationDevelopment #APIDevelopment #SaaSDevelopment #CustomSoftwareDevelopment

Are you looking for a reliable Laravel developer who can build, customize, and scale your CRM or business web application? I help businesses create powerful, scalable systems using Laravel, Perfex CRM, and API integrations—with clean code, optimized performance, and on-time delivery. 🔧 My Core Services: ✅ CRM Development & Customization Perfex CRM customization Custom module development API integrations & automation User roles, permissions, workflows ✅ Laravel Web Development Custom website & dashboard development RESTful API development & integration Frontend/backend with responsive UI Role-based admin panels ✅ Full-Stack Development Laravel + HTML5, CSS3, JavaScript, jQuery, Bootstrap MySQL, SQL Server Ajax-powered UI components Secure authentication & authorization ✅ Optimization & Maintenance Speed optimization Clean, maintainable code SEO basics built-in Bug fixes & ongoing support 📈 Why Clients Hire Me: 8+ years of experience with Laravel, PHP & CRMs Deep expertise with Perfex CRM customization Strong communication & problem-solving skills Proven success across 50+ projects Quick response and consistent updates

Hey there! Wondering why am I the right choice for your project? Here are some testimonials from my previous clients: ⭐⭐⭐⭐⭐ 5.00 "If you need someone that is timely, professional, goes above and beyond, and really knows their technical skills, Harwinder is in a league of his own, and one of the best technical professionals I've ever worked with. Our project was quite difficult, requiring Ai background, high level react skills, and challenges no one has faced, but with Harwinder we were able to overcome every obstacle and able to launch my Ai website in a timely manner. I can't recommend him enough; if he applies for your job, you know it will be completed on time and professionally done." ⭐⭐⭐⭐⭐ 5.00 "Great lad. He knows what he is doing. Looking forward to working with Harwinder again." ⭐⭐⭐⭐⭐ 5.00 "Easy to work with." ⭐⭐⭐⭐⭐ 5.00 "The service given was very professional and very quick. Would hire again for sure." ⭐⭐⭐⭐⭐ 5.00 "One of the best freelancers I have worked with on upwork and would highly recommend him for all your development projects. Very patient and helpful and the best at what he does." ⭐⭐⭐⭐⭐ 5.00 "He provided me with the perfect results and even before the deadline i provided. It was great working with harwinder." ⭐⭐⭐⭐⭐ 5.00 "Harwinder helped me a lot in taking my business online and setting up my online store." It was indeed a pleasure working with someone so dedicated, honest, and respectful. He made sure deadlines were met and worked overtime for this project. Highly recommend using Harwinder for all your web development needs. Thank you Harwinder!" many more... ------------------------- I am Harwinder, a Full-stack web developer. I have professional skills in React/NextJs, Laravel, WordPress, UI/UX, and more. I have more than 7-years of experience in this field. You can check out more about me at my personal portfolio website bit.ly/iamhrwndr I'll be glad to help you with: ✔️Web Application Development. ✔️E-Commerce Development. ✔️SaaS Development ✔️Designing Websites/Apps (Figma) ✔️Bug Fixing, and much more..... I am using these technologies! ✅HTML5, CSS3, Javascript ✅ReactJS/NextJS ✅WordPress ✅PHP (Core, Laravel) ✅Figma and more.. Reson why should you hire me- ✔️Your satisfaction is my priority ✔️Have fluency in Javascript and other technologies ✔️Quick response ✔️Available on weekends ✔️Flexible availability with your time Please take a closer look at my portfolio. I am sure that you will love my work. You can also see my dedication through this. Kind Regards Harwinder S.

⭐ 5 stars feedbacks, 🕒 18,000+ tracked hours, 💸 1M+ total earnings, 💼 20+ years of experience. 🎯 My priority is to truly understand each client’s challenges and deliver solutions that align with their goals. I'm focused not on technologies, but on real problems and solving methods. 🚀 I'm an independent contractor, but in case you need to accelerate development, create design, make testing or deploy solution to the server infrastructure - I collaborate with a trusted professionals to deliver full cycle of web application creation - from design and development to thorough testing and seamless deployment into production infrastructure. 🌍 Flexible with time and location, I'm happy to adapt to your workflow or meet wherever needed. 💻Tech Stack: PHP (Laravel, Yii2) Javascript / TypeScript (Vue.js, Nuxt.js, Vite) MySQL, Redis, BigQuery, Sphinx, Memcached HTML, CSS (Bootstrap, Tailwind, Shadcn) Docker, Google Cloud Platform, Linux (Ubuntu) CloudFlare, DigitalOcean, Vercel, Laravel Forge Git, GitHub 🔌 3rd party services integration: Worldpay, Stripe Mixpanel, Adjust, CustomerIO, Klaviyo, Twilio OneSignal, Pusher, RevenueCat, SendGrid, Mailgun Auth0 BetterStack, Sentry 🤖 Please, no AI interview