I'm a co-founder and business operations leader with 7 years of experience building company systems from scratch — sales pipelines, hiring processes, client workflows, quality control, financial planning, and cross-functional coordination. After years of running operations at an international scale, I've freed up capacity and I'm now bringing that experience to select clients who need a senior operator in their corner. 🚀 Where I add the most value: - Diagnosing what's actually blocking your growth and fixing it at the root - Building SOPs, workflows, and accountability structures your team will actually follow - Setting up KPI tracking and reporting so you always know what's happening - Turning founder vision into clear execution plans with defined owners and deadlines - Bridging the gap between strategy and day-to-day operations - Managing cross-functional teams, contractors, and vendors end-to-end 💻 My background: - 7 years co-founding and operating an international SaaS agency (10-person team, 40% net margin, 350+ projects delivered) - Built and documented SOPs for every core business function: sales, client onboarding, project delivery, HR, and finance - Worked hands-on with 20+ startups on go-to-market strategy, sales process, and operational setup - Supported clients in raising $175M+ in investment capital - Previously built and led sales operations at Creatio — a global CRM platform 🛠 Tools I work with: HubSpot · ClickUp · Notion · Asana · Google Workspace · Slack · 🎯 Best fit if you are: - A founder who's wearing too many hats and needs someone to take operations off your plate - A growing team that's outpaced its current systems and processes - A startup that needs operational infrastructure built before scaling Native Ukrainian speaker. Fluent in English. Based in Argentina — perfectly positioned between US and European time zones. 💬 If you need a senior operator who's been in the trenches and knows how to build systems that scale — let's talk.

🚀 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 - 𝘁𝗵𝗲 𝘁𝗼𝗽 5% 𝗼𝗳 𝘁𝗮𝗹𝗲𝗻𝘁 𝗶𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 🔥 ABOUT ME I’m a Senior Full Stack Developer React Node and Next.js developer with 6+ years (12,000+ hours), building 40+ SaaS Platform, SaaS MVP, and Marketplace Platform products across 60+ clients as fullstack developer. As a Full Stack Developer React Node, I work across Frontend React and mobile app developer roles, delivering 50+ Web App Development, Web Application, and react native systems. I’ve repeatedly worked as a Next js developer and Full Stack Developer React Node, owning full lifecycle from Build MVP to Production-ready platform. I’ve built 25+ frontend systems as a React Developer and nextjs developer using Frontend React, while also working as a react native developer creating cross-platform mobile solutions. As a node.js developer, I design API Integration Architecture and Data Platform pipelines handling 3M+ API requests/month. Across 20+ systems, as Full Stack Developer React Node I delivered Client Portal, User Login, Admin Dashboard, shopify, and Analytics Dashboard solutions supporting 15,000+ users. I’ve used Supabase and Next.js Vercel as Frontend React in 25+ projects to build Multi-tenant SaaS and Scalable SaaS Platform systems with 99.9% uptime. 6+ years as a React Developer and delivering 60+ SaaS Platform, MVP, and Scalable SaaS Platform solutions. 70+ projects as a Frontend React Developer, including 30+ Web App builds, 15+ Next.js tailwind systems, and 10+ react native mobile app developer launches. 20+ products built as a Full Stack Developer React Node generating significant revenue across CRM Platform, Data Platform, and B2B Platform. 25,000+ active users across Web Platform and mobile systems built by a Frontend React Developer and Full Stack Developer React Node. 🔥 ACHIEVEMENTS Built 30+ SaaS Platform and Web Platform systems as a Full Stack Developer React Node and Nextjs developer, supporting 20,000+ users with 99.9% uptime using react.js node.js. Delivered 20+ projects as a Frontend React Developer and react native developer, reducing time-to-market by 35% using nextjs typescript and tailwindcss. Built API Integration and backend pipelines as a Full Stack Developer React Node, processing 5M+ API requests/month across Analytics Dashboard and Business Platform systems. Developed 10+ next.js seo optimized platforms as a React Developer, handling high-traffic volumes using mern stack and nextjs tailwind. Scaled 15+ Marketplace Platform and E-commerce Platform systems as a Full Stack React Developer, supporting shopify web developer tasks and Stripe integrations. Improved 15+ legacy systems as a Full Stack Developer React Node, achieving 2–3x performance gains and 40% fewer bugs as a front end web developer. Delivered 10+ Mobile App systems as a react native developer, serving thousands of users and coordinating with ux ui teams for react web development. 🔥 TECH STACK As a React Developer and Full Stack Developer React Node, I’ve worked across 40+ projects building scalable web applications using react.js and react redux, including 15+ high-load systems, while also delivering 10+ cross-platform solutions with react native as a react native mobile app developer reaching 30K+ installs. Throughout my experience, I’ve taken on roles as a react js developer and next js developer in distributed teams, including setups like react developers ethiopia, and contributed to 20+ backend-heavy systems as a node.js developer and full stack developer node js, handling data pipelines and logic. I’ve been involved in 20+ projects across diverse ecosystems, from wordpress developer environments to modern stacks using next.js developer workflows, and tools like strapi, svelte, and webflow, adapting to different business requirements. On the backend, I’ve worked as full stack developer node js, backend node.js, across 30+ systems, building services on node.js aws infrastructure and integrating with firebase, postgresql, and supabase postgres, supporting applications with 10K+ users. On the frontend side, I’ve taken roles including front end developer react, frontend react developer, and nextjs developer, delivering 40+ UI systems with complex workflows and high-performance interfaces using JavaScript developer and typescript. 🔥 WHAT CLIENTS GET A Full Stack Developer React Node and Nextjs Developer with 6+ years and 60+ projects, delivering 30+ Production-ready Platforms. As a Full Stack React Developer and react native developer, I focus on scalable architecture, clean code, and long-term growth for products with 10,000+ users. Strong experience as a React Developer, node.js developer, and backend developer across 40+ systems ensures reliable delivery aligned with business goals. 🚀 Click "Invite" or "Hire" Full Stack Developer React Node

I build complete SaaS products—from landing pages and marketing features to powerful, data-heavy dashboards that run businesses. 100% Job Success • Multiple long-term partnerships • All 5-star reviews Recent work includes complex dashboards, product design, top-level UI, AI-first featuresend-to-end SaaS builds: modern frontends with Svelte/TypeScript, robust backends via PHP/Symfony, data-intensive dashboards for analytics/operations, user management, and scalable features. What you can expect: Full SaaS development (landing pages → core dashboards & features) Data-rich UIs & Dashboards (Svelte/TypeScript frontend) Secure, performant backends & APIs (PHP/Symfony) End-to-end ownership: idea → architecture → implementation → launch & ongoing support Most of my projects are growing SaaS platforms where the dashboard is the heart—helping teams monitor, manage, and scale their operations effectively. My skills: PHP, Symfony, Svelte, SvelteKit, Next.js, Laravel, AI, OpenAI, Node JS, Express JS, JS, HTML 5, CSS 3, Sass, Git, WordPress, Shopify

I’m a Full-Stack AI Developer with 6+ years of experience building scalable web applications and intelligent AI systems. I specialize in developing RAG-powered applications, AI assistants, and data-driven platforms using modern JavaScript frameworks like Svelte, SvelteKit, Next.js, and React. My focus is building fast, reliable, and production-ready applications that combine high-performance frontend engineering with powerful AI capabilities. I turn complex ideas into clean, scalable solutions while maintaining smooth collaboration with clients and teams. 🚀 AI & RAG Expertise I design and build AI-powered systems that retrieve, process, and generate knowledge from large datasets. • End-to-end RAG architecture (data ingestion → retrieval → generation) • Semantic search and hybrid retrieval pipelines • LangChain.js RAG workflows with LLM integration • GraphRAG knowledge systems using structured data • AI-driven APIs for chatbots, Q&A systems, and knowledge assistants 💻 Full-Stack Development I build modern, scalable applications with a strong focus on performance, maintainability, and developer efficiency. Frontend • Svelte & SvelteKit – ultra-fast compiler-optimized apps • Next.js – SSR, SSG, ISR and performance-first architecture • React.js – Hooks, component-driven architecture Core Technologies • TypeScript, Tailwind CSS, SCSS/Sass • Vite, Webpack, Material UI • REST APIs, GraphQL • Headless CMS (Sanity, Contentful) ⚙️ AI & Backend Tech Stack Backend • Node.js, TypeScript • Fastify, Express, Next.js API routes LLMs & Embeddings • OpenAI (GPT-4) • Embedding-based semantic retrieval Vector Databases • Pinecone • pgvector (PostgreSQL) • MongoDB Atlas Vector Search Graph & Cache • Neo4j • Redis Cloud & DevOps • AWS (S3, scalable deployments) • Docker, CI/CD pipelines • Monitoring & logging systems ⚡ What I Deliver • AI-powered web applications and RAG systems • Lightning-fast SvelteKit / Next.js applications • Pixel-perfect, mobile-first UI • SEO-optimized architecture and strong Core Web Vitals • Modular, scalable codebases built for long-term growth 📈 Recent Wins 📦 Improved eCommerce performance by 40% using Next.js & ISR 📊 Built a real-time analytics dashboard with SvelteKit praised for ultra-smooth UX 🔍 Implemented a full SEO architecture leading to 3× organic traffic growth 🎯 Ideal Projects • AI chatbots and RAG-based knowledge systems • Full-stack AI SaaS platforms • High-performance Svelte/SvelteKit / Next.js applications • AI integrations for existing products If you're looking to build AI-powered applications or high-performance modern web platforms, let's connect and bring your idea to life. Upwork SEO Hashtags: #FullStackAIDeveloper #AIDeveloper #RAG #LLM #OpenAI #AIApps #Svelte #SvelteKit #NextJS #ReactJS #NodeJS #TypeScript #VectorDatabase #LangChain #AIChatbot #RESTAPI #GraphQL #MongoDB #PostgreSQL #TailwindCSS #ModernWebApps #ScalableWebApps

✅ 𝗠𝗲𝘁𝗮 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 ✅ Upwork Skill 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗶𝗻 𝗥𝗲𝗮𝗰𝘁 𝗙𝗿𝗼𝗻𝘁-𝗘𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ✅ 5+ Years Of Experience ✅ 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 status on Upwork (𝘁𝗼𝗽 𝟑% of freelancers) ✅ 𝟭𝟬𝟬% Job Success Score (Client Satisfaction Ratio) ✅ 𝟵𝟵% 𝗼𝗳 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗥𝗲𝗰𝗼𝗺𝗺𝗲𝗻𝗱𝗲𝗱 work with me and 100% 𝗼𝗳 𝗟𝗼𝗻𝗴-𝘁𝗲𝗿𝗺 Clients ✅ 10+ 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗰𝗼𝗺𝗽𝗹𝗲𝘁𝗲𝗱 successfully ✅ 1500+ 𝗵𝗼𝘂𝗿𝘀 and still counting on Upwork ✅ 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁 & 𝗠𝗩𝗣 𝗖𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝗻𝘁 for 𝘀𝘁𝗮𝗿𝘁𝘂𝗽𝘀, 𝗦𝗠𝗕𝘀, and 𝗲𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲 clients. ✅ Key player in developing products 𝘂𝘀𝗲𝗱 𝗯𝘆 𝗺𝗶𝗹𝗹𝗶𝗼𝗻𝘀 🏆 𝐇𝐢𝐠𝐡𝐥𝐲 𝐑𝐚𝐭𝐞𝐝 💎 𝟕+ 𝐘𝐞𝐚𝐫𝐬 𝐨𝐟 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 🚀 𝐥𝐨𝐧𝐠-𝐭𝐞𝐫𝐦 𝐰𝐨𝐫𝐤 👨🏻‍💻 𝟐 𝐣𝐨𝐛𝐬 𝐰𝐢𝐭𝐡 $𝟐𝟎𝐊+ Expert Sr. Full Stack Developer with a passion for creating fast, responsive, and user-friendly websites. With expertise in HTML, CSS, JavaScript, and modern frameworks like React.js, Nect.js, Vue.js and Svelte. I ensure your website will look stunning and performs flawlessly on all devices.. 𝗪𝗵𝗮𝘁 𝗜 𝗖𝗮𝗻 𝗗𝗼 𝗳𝗼𝗿 𝗬𝗼𝘂: 1. 𝐓𝐫𝐚𝐧𝐬𝐟𝐨𝐫𝐦 𝐃𝐞𝐬𝐢𝐠𝐧𝐬 𝐭𝐨 𝐂𝐨𝐝𝐞: Expertise in 𝐅𝐢𝐠𝐦𝐚 𝐭𝐨 𝐇𝐓𝐌𝐋 𝐚𝐧𝐝 𝐏𝐒𝐃 𝐭𝐨 𝐇𝐓𝐌𝐋 𝐜𝐨𝐧𝐯𝐞𝐫𝐬𝐢𝐨𝐧𝐬, making sure your designs come to life accurately. 2. 𝐑𝐞𝐬𝐩𝐨𝐧𝐬𝐢𝐯𝐞 𝐖𝐞𝐛 𝐃𝐞𝐬𝐢𝐠𝐧: Using 𝐟𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬 𝐥𝐢𝐤𝐞 𝐓𝐚𝐢𝐥𝐰𝐢𝐧𝐝𝐂𝐒𝐒 𝐚𝐧𝐝 𝐂𝐡𝐚𝐤𝐫𝐚 𝐔𝐈, I ensure your site looks great on all devices. 3. 𝐑𝐞𝐮𝐬𝐚𝐛𝐥𝐞 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭𝐬: 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐢𝐧𝐠 𝐦𝐨𝐝𝐮𝐥𝐚𝐫 𝐜𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭𝐬 to keep your codebase clean and maintainable. 4. 𝐒𝐭𝐚𝐭𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭: Skilled in 𝐑𝐞𝐚𝐜𝐭-𝐑𝐞𝐝𝐮𝐱 𝐚𝐧𝐝 𝐙𝐮𝐬𝐭𝐚𝐧𝐝 for efficient state management in complex applications. 5. 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧: Building 𝐫𝐨𝐛𝐮𝐬𝐭 𝐛𝐚𝐜𝐤𝐞𝐧𝐝𝐬 𝐰𝐢𝐭𝐡 𝐍𝐨𝐝𝐞.𝐣𝐬 𝐚𝐧𝐝 𝐓𝐲𝐩𝐞𝐒𝐜𝐫𝐢𝐩𝐭, including creating and integrating 𝐑𝐄𝐒𝐓 𝐀𝐏𝐈𝐬. 6. 𝐓𝐞𝐬𝐭𝐢𝐧𝐠 𝐚𝐧𝐝 𝐃𝐞𝐛𝐮𝐠𝐠𝐢𝐧𝐠: Ensuring reliability with 𝐮𝐧𝐢𝐭 𝐭𝐞𝐬𝐭𝐬 𝐮𝐬𝐢𝐧𝐠 𝐉𝐞𝐬𝐭 𝐚𝐧𝐝 𝐄𝟐𝐄 𝐭𝐞𝐬𝐭𝐬 𝐰𝐢𝐭𝐡 𝐂𝐲𝐩𝐫𝐞𝐬𝐬. 7. 𝐂𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐢𝐨𝐧 𝐚𝐧𝐝 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧: Strong experience working with 𝐔𝐗/𝐔𝐈 𝐝𝐞𝐬𝐢𝐠𝐧𝐞𝐫𝐬 𝐚𝐧𝐝 𝐬𝐭𝐚𝐤𝐞𝐡𝐨𝐥𝐝𝐞𝐫𝐬 𝐭𝐨 𝐝𝐞𝐥𝐢𝐯𝐞𝐫 𝐩𝐫𝐨𝐣𝐞𝐜𝐭𝐬 𝐭𝐡𝐚𝐭 𝐞𝐱𝐜𝐞𝐞𝐝 𝐞𝐱𝐩𝐞𝐜𝐭𝐚𝐭𝐢𝐨𝐧𝐬. 𝗠𝘆 𝗦𝗸𝗶𝗹𝗹𝘀 𝗜𝗻𝗰𝗹𝘂𝗱𝗲: • 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬: HTML5, CSS3, JavaScript (ES6+), TypeScript • 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬 𝐚𝐧𝐝 𝐋𝐢𝐛𝐫𝐚𝐫𝐢𝐞𝐬: React, Next.js, React-Redux, Zustand • 𝐔𝐈 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬: Chakra UI, TailwindCSS, Styled Components • 𝐎𝐭𝐡𝐞𝐫 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: Figma, jQuery, Redux-Saga, GraphQL, Formik, Git, GitHub, Firebase • 𝐓𝐞𝐬𝐭𝐢𝐧𝐠: Jest, Cypress, React Testing Library • 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: Landing page development, PSD/XD to ReactJs, Figma to HTML/CSS, Client-side authentication, API integration, Bug fixing 𝗜 𝗰𝗮𝗻 𝗯𝘂𝗶𝗹𝗱: ➜ E-commmerce website ➜ Landing page ➜ Portfolio website ➜ Website for brands and companies ➜ Conversion from Figma to HTML, CSS or Next.js code ➜ Any other as-per-client requirements 𝐋𝐞𝐭'𝐬 𝐰𝐨𝐫𝐤 𝐭𝐨𝐠𝐞𝐭𝐡𝐞𝐫 𝐭𝐨 𝐛𝐫𝐢𝐧𝐠 𝐲𝐨𝐮𝐫 𝐢𝐝𝐞𝐚𝐬 𝐭𝐨 𝐫𝐞𝐚𝐥𝐢𝐭𝐲! I'm available for a video interview at your earliest convenience and can start immediately. Feel free to send me your offers, and we can discuss further details. Best, Muhammad Arif

🔹 If I can’t deliver what I promised, you get a 100% refund. Simple as that.

 ⭐️ Top Rated – In the top 10% of freelancers on Upwork 💯 Clients trust me – 100% Job Success (and proud of it!) 🕒 5+ years doing what I love – building, automating, and solving real problems 🚀 Real results – From startups to agencies, I help teams move faster and smarter I’m 𝐀𝐬𝐡𝐚𝐫 𝐊𝐡𝐚𝐧 a full-stack and AI automation developer with 5+ years of experience. I focus on writing clean, scalable code and building solid solutions that actually move the needle for your business. 𝗠𝘆 𝗖𝗼𝗿𝗲 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 🔹 Automation & Workflow Building I help businesses automate repetitive tasks and scale operations using platforms like Make, Zapier, and n8n. From API integrations to custom workflows, I build systems that save hours and boost productivity. 🔹Full Stack Development (Start to Finish)
Got an idea? I’ll handle everything from planning and coding to launching and supporting your product. You’ll get a reliable partner who treats your project like their own. 🔹 Fixing Bugs & Improving Existing Apps
If your app’s acting up or needs improvements, I’ll jump in, find what’s broken, and make it smooth, stable, and better for your users. 🔹 Tech & Business Consulting
Have a vision but not sure how to bring it to life? I’ll help you shape your idea into a clear, actionable roadmap step by step, from concept to launch. 𝐒𝐤𝐢𝐥𝐥𝐬 & 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 🔹 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝:
HTML5 | CSS3 | Tailwind CSS | JavaScript | React | Next | Redux / Redux Thunk | TypeScript | Svelte | SCSS | Bootstrap | Material UI | Ant Design | Chakra UI | Webpack 🔹 𝐁𝐚𝐜𝐤𝐞𝐧𝐝:
Node | Express | Socket | REST APIs 🔹 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬:
MongoDB | Mongoose | MySQL | PostgreSQL | Firebase | Supabase | Prisma 🔹 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤:
MERN Stack | React + Node Integration | Authentication Systems | Real-Time Features | Scalable Architectures 🔹 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧: Make | n8n | Zapier | Zoho CRM | GoHighLevel | Hubspot | Salesforce | CRM Automation | Business Process Automation | API Webhooks | CRM Integrations | Lead Routing | Gmail/Sheets/Slack automations 🔹 𝐀𝐏𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬:
Stripe | PayPal | Google APIs | ChatGPT API | 3rd-Party REST APIs 🔹 𝐓𝐨𝐨𝐥𝐬 & 𝐃𝐞𝐯 𝐖𝐨𝐫𝐤𝐟𝐥𝐨𝐰:
Git | GitHub | Postman | VS Code | NPM | Webpack | Vite 🔹 𝐃𝐞𝐬𝐢𝐠𝐧 & 𝐏𝐫𝐨𝐭𝐨𝐭𝐲𝐩𝐢𝐧𝐠:
Figma | Adobe XD | Photoshop | Illustrator | Canva 𝐘𝐨𝐮 𝐜𝐚𝐧 𝐅𝐢𝐧𝐝 𝐦𝐞 𝐰𝐢𝐭𝐡 𝐭𝐡𝐞𝐬𝐞 𝐬𝐤𝐢𝐥𝐥𝐬 Fullstack development, React, Next, Vue, Angular, Node, Nest, React Native, Electron, Frontend development, Figma to React Web Pages, Figma Design to Next, Backend development, Dashboard Development, JavaScript, UI/UX design, Single-page applications, RESTful APIs, GraphQL, Database management, Frontend testing, Backend testing, MEAN stack, MERN stack, LAMP stack, Responsive web design, Fullstack design patterns, Fullstack development tools, Continuous integration, Mobile app development, Real-time web apps, Hybrid mobile apps, Fullstack CI/CD, Fullstack debugging tools, Fullstack scalability, Fullstack containerization, Fullstack monitoring tools, Fullstack code quality, React Expert, Chatgpt Developer, OpenAI APIs Expert, Socket, Firebase, Supabase, Prisma, n8n, make, zaiper, Airtable, CRM Automation, Business Process Automation, Zoho CRM, HubSpot, HighLevel, AI Agent Development, Pipedrive, Salesforce, Business Intelligence

I do more than execute predefined tasks. I help clients clarify requirements, improve product decisions, select the right architecture and reduce technical risks before development becomes expensive. I help businesses and product teams design, build and scale reliable AI and SaaS products. With $400K+ earned across 158 Upwork projects, I bring the combined perspective of a solution architect, product consultant and hands-on developer. My focus is building scalable and maintainable products that solve real business problems and can evolve as the company grows. 🔷 WHAT I CAN HELP YOU BUILD 🤖 AI Products and AI Agents ✅ AI agents and multi-step agentic workflows ✅ AI-powered customer support platforms ✅ RAG and knowledge-base applications ✅ AI systems connected to live business databases ✅ Document processing and intelligent search ✅ LLM integrations using OpenAI, Anthropic and other models ✅ AI-powered business process automation 💻 SaaS and Business Platforms ✅ Multi-tenant SaaS applications ✅ Membership and association platforms ✅ Customer, partner and administrator portals ✅ Subscription and payment systems ✅ Recruitment and applicant-tracking platforms ✅ Marketplaces and operational management systems ✅ Role-based dashboards and reporting platforms 🏗️ Solution Architecture ✅ Product discovery and technical planning ✅ System, application and database architecture ✅ API and third-party integration strategy ✅ Cloud infrastructure and deployment planning ✅ Scalability and performance optimisation ✅ Legacy-system modernisation ✅ Security-conscious application architecture ✅ Technical due diligence and architecture reviews 📈 SELECTED PRODUCT OUTCOMES ✅ Designed and built AI chatbots and AI agents serving 50,000+ users ✅ Helped build and launch a product that ranked #3 Product of the Day on Product Hunt ✅ Led solution architecture and engineering for a SaaS platform generating $2M+ in monthly revenue ✅ Contributed to the development of a product later selected by Y Combinator ✅ Helped build a technology product that was later acquired by PandaDoc ✅ Successfully completed 158 Upwork projects with more than $400K in total earnings ✅ All of these engagements began through Upwork 🧩 CORE TECHNOLOGY EXPERTISE 🤖 AI: LLM integrations, RAG, AI agents, vector databases, prompt workflows and intelligent automation 🖥️ Frontend: React.js, Next.js, Vue.js, React Native and TypeScript ⚙️ Backend: Python, Node.js, PHP and Laravel 🗄️ Databases: PostgreSQL, MySQL, MongoDB and vector databases ☁️ Cloud: AWS, Microsoft Azure, Digital Ocean and Google Cloud Platform 🔄 Automation: n8n, Zapier, Make and custom API-based workflows 🔗 Integrations: CRMs, payment gateways, authentication providers, communication platforms and third-party business systems 🤝 WHY CLIENTS WORK WITH ME ✅ I contribute ideas instead of blindly following specifications ✅ I combine product thinking with hands-on technical expertise ✅ I explain complex technical decisions in clear business language ✅ I take ownership of architecture, development and delivery outcomes ✅ I identify unnecessary complexity and recommend practical alternatives ✅ I communicate risks, dependencies and trade-offs transparently ✅ I work closely with clients as an extension of their product and engineering function ✅ I support the complete journey from discovery and architecture to development, launch and optimisation Whether you are building a new AI product, modernising an existing SaaS platform or automating a complex business workflow, I can help you define the right solution and take it from initial architecture to production.

Are you looking for professional full-stack mobile and web application developer? If yes, welcome…! It must take you a while to get here. So let me take this great opportunity to give you a warm welcome. I’m a professional full-stack mobile and web app developer with experience in popular web technology like React js, Svelte, SvelteKit, Node js, Express js, Flask, Django, Firebase, and google cloud platform. I specialize in developing cloud-based web and mobile applications using cutting-edge technologies like React JS. I develop robust and scalable web applications with a focus on user experience and usability. I love coding and building new things. I am passionate about working on big projects and solving big problems. So, if you have any work related to the following, please contact me : ✅ FRONT-END: React Js, Svelte, SvelteKit, Next Js, HTML, CSS, SASS, Tailwind, styled-components, TypeScript, JavaScript, GraphQL, Material UI, antd ✅ BACK-END: Node.js, Express.js, Flask, Django, Mongoose, Objection.js, Knex, Sequelize, TypeScript, JavaScript, GraphQL, RESTful APIs, Stripe ✅ DATABASE: MongoDB, MySQL, SQLite, Redis, Firestore, Firebase real-time database ✅ HOSTING: AWS, Vercel, Cloudflare, Digital Ocean, Heroku, Firebase, GCP, Azure ✅ Cloud Services: AWS, GCP, Azure ✅ UI/UX DESIGN: Figma, Adobe XD ✅ MOBILE: React Native, Progressive Web Apps (PWA), Flutter ✅ TOOLS: VSCode, GitHub, GitLab, Jira, Trello, Microsoft To-Do, Teams, Meet, Zoom, Slack...

Hello world! I'm looking for opportunities to grow, share, and contribute by utilising professional experience in developing web application using contemporary technologies surrounding the Javascript ecosystem, especially in the Svelte & Vite toolchain, with deep appreciation for user experience, performance, progressive enhancement, and accessibility. Besides my day job, I am also an open source contributor, and a community builder. My latest work include svelte-put - a collection of utilities for the Svelte ecosystem, and Svelte Vietnam, an inclusive community and information hub for people of Svelte in Vietnam. For more of my work, please check out github/vnphanquang. Thanks for stopping by, and talk soon!

𝐎𝐯𝐞𝐫 𝐭𝐡𝐞 𝐩𝐚𝐬𝐭 8+ 𝐲𝐞𝐚𝐫𝐬, I’ve helped founders and growing teams build, fix, and scale SaaS products that needed more than just another developer. I’ve contributed to 150+ web applications and platforms, improved application performance by up to 5x, and helped businesses launch products faster with scalable, production-ready systems. 𝐌𝐨𝐬𝐭 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐜𝐨𝐦𝐞 𝐭𝐨 𝐦𝐞 𝐰𝐡𝐞𝐧: • their product is stuck or unstable, • performance issues are affecting users, • scalability was ignored early, • or they need someone who can take real ownership of the product instead of simply completing tasks. 𝐌𝐲 𝐫𝐨𝐥𝐞 𝐢𝐬 𝐬𝐢𝐦𝐩𝐥𝐞: understand the product deeply, solve technical bottlenecks, and build systems that are stable, scalable, and ready for real growth. ✅ 𝐖𝐡𝐚𝐭 𝐈’𝐯𝐞 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐞𝐝: • Successfully contributed to 30+ SaaS and web applications from idea to production. • Helped clients launch products that were previously delayed or stuck. • Improved application performance by 2x to 5x across multiple projects. • Built systems that handle thousands of users without stability issues. • Delivered MVPs 30 to 40 percent faster, helping clients validate ideas early. • Integrated AI features into real products to make them more competitive and valuable. ✅ 𝐇𝐨𝐰 𝐈 𝐖𝐨𝐫𝐤: I don’t work like a task-based developer. I take full ownership of the system I’m building. That means: ➞ I don’t just follow instructions, I question and improve them. ➞ I think about scalability from day one, not after problems appear. ➞ I write code that other developers can easily understand and extend. ➞ I focus on long-term stability, not quick fixes. Clients don’t have to chase me for updates or worry about what’s happening.They get clarity, structure, and consistent progress. ✅ 𝐖𝐡𝐞𝐫𝐞 𝐈 𝐀𝐝𝐝 𝐭𝐡𝐞 𝐌𝐨𝐬𝐭 𝐕𝐚𝐥𝐮𝐞: • When a product is stuck and needs a clear technical direction. • When performance issues are affecting user experience. • When scalability is a concern before growth. • When AI features need to be integrated in a practical way. • When a clean, reliable full stack system is required from scratch. ✅ 𝐌𝐲 𝐂𝐨𝐫𝐞 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐚𝐫𝐞: ✔𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 (𝐒𝐚𝐚𝐒 & 𝐖𝐞𝐛 𝐀𝐩𝐩𝐬) I build production-ready applications from scratch: • Dashboards, CRM, ERP, marketplaces, and AI-assisted platforms. • Clean architecture, reusable code, and maintainable systems. • Scalable solutions designed for real-world usage. ✔𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 React, Next.js, TypeScript, TypeScript, Tailwind CSS, Material UI, Headless UI, Svelte, SvelteKit: • Fast-loading, responsive interfaces. • Component-driven architecture for smooth UX. • Performance optimization for low-latency interactions. ✔𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 Node.js, Express.js, Nest.js, Python, Django, FastAPI, REST APIs, GraphQL, Socket. io: • APIs, authentication, roles, business logic, background jobs. • Stable systems built to adapt as requirements evolve. • Integration with third-party services and internal tools. ✔𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 & 𝐃𝐚𝐭𝐚 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 PostgreSQL, Supabase, MongoDB, MySQL, Firebase, Supabase, NeonDB, Redis, Elasticsearch: • Database design, migrations, query optimization. • Clean data layers with Prisma or NeonDB. • Intelligent caching and indexing for production efficiency. ✔𝐀𝐈 𝐅𝐞𝐚𝐭𝐮𝐫𝐞𝐬 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 OpenAI GPT-3.5/4, LangChain, AI Agents, Predictive Analytics, Workflow Automation • GPT-3.5/4, LangChain, AI agents for workflow automation. • AI integration in web & SaaS apps for real-time insights. • Smart recommendations, predictive analytics, efficiency improvements. ✔𝐏𝐚𝐲𝐦𝐞𝐧𝐭𝐬 & 𝐒𝐭𝐫𝐢𝐩𝐞 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 • Stripe setup for subscriptions, one-time payments, and marketplaces. • Payment workflows, invoicing, webhooks for real-time transactions. • PCI compliance, multi-currency support, smooth checkout experiences. ✔𝐈𝐦𝐩𝐫𝐨𝐯𝐢𝐧𝐠 𝐄𝐱𝐢𝐬𝐭𝐢𝐧𝐠 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐬 • Refactor codebases and optimize performance. • Add new features without breaking current systems. • Maintain stability while scaling functionality. ✅ 𝐌𝐲 𝐂𝐨𝐦𝐦𝐢𝐭𝐦𝐞𝐧𝐭 𝐚𝐫𝐞: I stay involved beyond just delivery. I help improve, scale, and stabilize your product as it grows. My focus is not just completing a project, it’s making sure what we build continues to work under real pressure. ✅ 𝐅𝐢𝐧𝐚𝐥 𝐍𝐨𝐭𝐞 If you’re looking for someone to just complete tasks, there are many options. If you want someone who takes ownership, thinks long term, and builds systems that actually hold up when your users arrive, we should talk. 🙂