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I'm a Full Stack Developer with extensive experience building web applications, SaaS platforms, eCommerce stores, business automation systems, APIs, and mobile applications for startups, agencies, and growing businesses. Over the years, I have worked with companies across multiple industries, helping them launch new products, improve existing platforms, automate workflows, integrate third-party services, and scale their digital presence. Whether you need a complete application built from scratch, additional functionality added to an existing platform, or a technical partner who can guide your project from concept to launch, I can help. I enjoy working on projects where technology solves real business problems. From custom dashboards and SaaS products to WordPress websites and Shopify stores, I bring both technical expertise and practical problem-solving to every project. What I Can Help You Build: Custom web applications designed for scalability, performance, and long-term growth. React.js / Next.js / Node.js / Express.js MongoDB / MySQL / PostgreSQL REST API Development Authentication Systems Admin Dashboards / Business Portals CRM / ERP Systems Custom Software Solutions I help founders and businesses build SaaS products from idea to production. Multi-tenant SaaS Platforms Subscription Systems Stripe Integrations User Management Systems Analytics Dashboards Workflow Automation Customer Portals Custom Business Logic MVP Development Modern businesses rely on software integrations, and I have extensive experience connecting systems together. Third Party API Integrations Custom API Development QuickBooks / Stripe / Payment Gateway Integrations CRM Integrations Webhook Development Data Synchronization Backend Services Cross-platform mobile applications that deliver a seamless user experience. React Native Flutter iOS Applications Android Applications Firebase Push Notifications API Integrations Business Apps Customer-Facing Apps AI-powered applications and automation that bring intelligence to your workflows. Custom AI Chatbots (OpenAI, Claude, Gemini) LLM Integration and Prompt Engineering AI Agent Development Workflow Automation with n8n, Make, or custom solutions Voice AI and Voice Assistant Integration AI-Powered Customer Support and Lead Qualification Document Processing and Summarization AI Content Generation and Categorization Smart Form Fill and Data Extraction Automated Email and Messaging Campaigns Powered by AI Why Clients Enjoy Working With Me: Clear and professional communication Reliable project delivery Strong attention to detail Ability to understand business requirements quickly Clean and maintainable code Problem-solving mindset Long-term partnership approach Fast response times Transparent development process Commitment to quality and performance I understand that hiring a developer is about more than technical skills. Clients want someone they can trust, someone who communicates clearly, takes ownership of the work, and consistently delivers results. That's exactly what I strive to provide on every project. Let's discuss your project and explore the best solution for your business. Keywords Full Stack Developer, Full Stack Development, MERN Stack Developer, MERN Developer, React Developer, React.js Developer, Next.js Developer, Node.js Developer, Express.js Developer, JavaScript Developer, TypeScript Developer, SaaS Developer, SaaS Development, Web Application Development, Custom Software Development, API Development, REST API Development, API Integration, QuickBooks Integration, Stripe Integration, Dashboard Development, CRM Development, ERP Development, Business Automation, Mobile App Developer, React Native Developer, Flutter Developer, Firebase Developer, MongoDB Developer, PostgreSQL Developer, MySQL Developer, Custom Web Applications, Startup Development, MVP Development, eCommerce Development, Full Stack Engineer, Software Engineer, Frontend Developer, Backend Developer, Website Development, Web Development, SaaS Applications, Custom Business Software, AI Chatbot Development, AI Agent Development, AI Automation, n8n Workflow Automation, OpenAI Integration, Claude API Integration, LLM Integration, Voice AI Integration, Conversational AI, Workflow Automation Developer, AI-Powered Automation, Intelligent Document Processing, Smart Data Extraction, AI Lead Qualification, Automated Workflows

I’m a New York-based software developer with proven experience building fully functional web applications from the ground up. Whether you’re looking for a simple website or a complete solution to bring your startup idea to life, I can deliver exactly what you need. I specialize in taking projects from concept to launch, ensuring clean code, responsive design, and scalable architecture every step of the way. Let’s turn your idea into a reality. Willing to work for a very cheap hourly rate to build up my Upwork rep. You will still be getting professional work and 100% effort. Knowledgeable in: JavaScript Typescript React.js Next.js Databases Python Java HTML CSS

Need a developer who can jump in, understand your product, and deliver scalable, high-quality solutions? I help fast-moving startups and e-commerce brands ship faster, scale smarter, and build products that perform. With 9+ years of full-stack experience — with a focus on Shopify, React, and custom web apps — I bring both technical depth and product sense to every project. What you get: • Custom Shopify themes, sections & apps that increase conversions • Responsive React/Next.js frontends that scale cleanly and perform fast • Seamless backend integrations (Node.js, APIs, databases) • Strong communication, proactive problem-solving, and on-time delivery Selected work: • Shopify: Custom builds for geurwolkje.nl, dekstech.com, nielsenlight.dk • Web apps: Sports betting ML platform, golfer PWA, admin dashboards • Web3: Game UI that boosted DAUs by 40% (React + Solana) • Enterprise: Custom CMS + Big Data tools for the U.S. FDA I often lead projects as both a Senior Developer and Technical Product Manager, translating business needs into clean architecture, efficient builds, and successful launches. Let’s build something that your customers will love.

Experienced in Frontend tech like React, Vue, Javascript ES6/HTML/CSS, TypeScript, SPA/MPA, RestApp For years I'm working as frontend developer, I got great experience in such areas like e-commerce, education, CRM, Saas-platforms, etc. As frontend tools are extremely growing up I don't stop learning, prefereably in Vue and React. Building SPA or MPA applications with any cases or custom solutions is what I can do the best. Also I like to work with Core Web Vitals optimizations, to improve search engine values. By checking portfolio you can find a small but various part of my works examples. I like long-term collaboration so I primarily looking for long-term projects. I know how to be useful developer so I'm ready to participate in discussions, propose new ideas based on my experience.

Full-stack JavaScript developer with 1+ year of hands-on experience building production-oriented web applications using React, TypeScript, Node.js, and SQL databases. Experienced in designing scalable REST APIs, clean backend architecture, and maintainable frontend systems.

🌟 Upwork Awards: Best Freelancer 2020 for Web, Mobile & Software Development 🌟 I've been creating websites and apps with complex 3D technologies for more than 7 years. Please check out my portfolio and reviews here on Upwork. 🟢 Here are 8 areas I will help you with: 1. Wow-websites and landings with 3D effects and animations for your company or product presentation. 2. 3D visualization of goods and equipment on your website. (Inc. photorealistic 3D modeling) 3. 3D Configurators (for choosing the shape, color, the material of the product and see it in 3D on your website) 4. Websites presenting real estate in 3D. (3D-visualization of buildings and territories, any development projects) 5. Projects with Augmented Reality (AR) and Virtual Reality (VR). 6. Browser 3D online games and interactive gamification projects. 7. MetaVerse, Play2Earn Unreal Engine 5 games. 8. BlockChain Development, NFT, DApps, Marketplaces. 🟢 Why me? 1. Communication comfort guaranteed. 24/7 online. And it's OK if you are far from the technical knowledge and terms. 2. I've been working in this field for 7 years and have an impressive portfolio and experience. 3. I've created a Team that allows me to combine development, design, and management skills to implement and support projects of any complexity. 4. Great management. We use Agile and SCRUM methods. 5. Be sure that all ideas and commercial info will not be exposed. We are always signing NDA. 6. More than 5 years on UpWork - EXPERT-VETTED, 4k logged hours and $200k+ 🟢 Skills Three.js (threejs) | WebGl | 8th Wall | AR | VR | Babylon.js | PlayCanvas | UnrealEngine 5 JavaScript | Typescript | React | React Hooks | Redux | React Native Next.JS | WordPress | Node.js | Nest.js Solidity | Rust | Web3.js ( WEB3 ) | NFT Minting Css Frameworks ( Material UI | Ant design | Styled Components ) Databases ( MongoDB | Firebase | PostgreSQL ) DJI SDK Google Map API Amazon Expert ( EC2, S3 ) | Digital Ocean | CI/CD ( GitLab, GitHub ) 📗 Thank you for reading to the end! Please feel free to write to me. I always respond quickly here on the Upwork. Briefly describe your problem or idea in your own words, and I will offer the best solution. We can also take a video call to discuss your project.