Hi, I'm a full-stack developer and mobile app developer shipping React, React Native, and Node.js MVPs for SaaS, wellness, fitness, and social app startups. Top Rated Plus, 100% JSS, 1,800+ Upwork hours, $70K+ earned. Over the last 10 years, I've built and shipped production web and mobile products for funded startups, product teams, and CTOs across the US, EU, and UK. As a full-stack developer, I architect and code the whole pipeline: React and Next.js frontends, Node.js and NestJS backends, React Native mobile apps, and AI integration on top. As a mobile app developer, I deliver iOS and Android apps with React Native, fully integrated with custom Node.js or Java Spring Boot backends. What I Do Best - Full-stack SaaS platforms: React, Next.js, Vue.js, Node.js, NestJS, TypeScript, with production UX in Tailwind CSS and Material UI. - Mobile app development: React Native for iOS and Android, native feel, App Store and Google Play ready, with Stripe, PayPal, and In-App Purchases for monetization. - AI features for web and mobile: OpenAI API, LangChain, RAG pipelines, ElevenLabs voice AI, computer vision, smart chatbots. - MVP development: wireframes to launch in weeks, not months, for funded startups. - Project rescue: rewriting Lovable and no-code MVPs into production React and React Native codebases. - Enterprise modernization: Java Spring Boot backends, Angular.js to Angular migrations, admin dashboards. - REST and GraphQL APIs integrated with Stripe, PayPal, Twilio, Mixmax, Gmail, and Outlook. - Cloud and DevOps on AWS (Lambda, EC2, RDS, S3, Cognito, Amplify), Vercel, Docker, PostgreSQL, MongoDB, MySQL, Firebase, Supabase, with CI/CD. Tech I Use Daily - Frontend: React, Next.js, Vue.js, TypeScript, Tailwind CSS, Material UI, Redux - Backend: Node.js, NestJS, Express, Java, Spring Boot - Mobile: React Native, Flutter - AI/ML: OpenAI API, LangChain, RAG, ElevenLabs, computer vision - Cloud: AWS, Vercel, Docker, CI/CD - Databases: PostgreSQL, MongoDB, MySQL, Firebase, Supabase - APIs: REST, GraphQL, Stripe, PayPal, Twilio, Mixmax Real Project Examples - Gamified Fitness MVP. As lead full-stack developer, delivered a React Native fitness app in 1 month with 3x AI-boosted development speed. Real users in the App Store inside 30 days. - Wellness and Social App. As full-stack developer and mobile app developer, rebuilt a Lovable MVP into a production React Native plus Node.js codebase with real-time feeds and a matching engine. 80% increase in daily engagement. - HR-Tech SaaS with AI Predictions. Gamified HR platform with ML-driven performance predictions. 120% performance gain, 3x faster data processing. - AI Sports Analysis Platform. Computer vision platform for tennis technique review. 80% faster analysis vs. manual review. - EdTech Platform for Norway's Leading Language Provider. React-based learning platform with real-time progress tracking and content management. How I Work - Weekly written updates, so you always know status and next steps. - Direct technical recommendations on Node.js performance, Java backend architecture, and AWS cost from day one. - Backed by Dewais, a 40+ person team, so I can bring in extra engineers when scope grows. - Comfortable joining ongoing projects or building from zero. - Full ownership across React web, React Native mobile, and AWS infrastructure. Ideal Clients Funded startups and product teams building SaaS, wellness, fitness apps, social apps, EdTech, and HR-Tech products. I also support mid-size businesses modernizing legacy Angular frontends and Java Spring Boot backends. Most engagements start as an MVP and grow into multi-year work, 94% long-term client retention. As a full-stack developer and mobile app developer, I deliver React and React Native products, Node.js APIs, AI integrations, and AWS infrastructure for SaaS, wellness, fitness, and social app startups. Send your idea, prototype, or wireframes. I'll reply within a few hours with technical recommendations and a preliminary timeline. Free 30-minute audit call included.

👋 Hi there! I’m an experienced Full-Stack Engineer / Senior Java Developer / Team Lead with over 10 years of hands-on experience building scalable web and mobile applications across multiple domains, including ✔️ e-commerce, ✔️ FinTech, ✔️ SaaS, and more. Let`s move faster to your goals with my ready-to-go integrations: 🚀 AI: ChatGPT, Llama, Mistral, etc. - business flow acceleration & facilitation 🚀 Eleven Labs - voice recognition, voice-to-text AI 🚀 Stripe card transfers 🚀 ChatGPT AI - text, AI-generated images 🚀 Machine vision - AI for images 🚀 Zoom - voice and video calls My Specialization: ✅ Java experience 10 years: Widely utilizing recent Java features, including Lambdas, Stream APIs, DateTime APIs, and Functional Interfaces. ✅ Frontend: JavaScript, Node.js, TypeScript, Vue.js. ✅ AI integration, Computer vision, LLM training. ✅ Java EE: RESTful Services, SOAP Services, JPA, Hibernate, API Integration etc. ✅ Spring experience 10 years: Spring Core, Spring Boot, Spring Data, Spring Cloud, etc. ✅ Other "frameworks": Keycloak authorization, JHipster, Swagger, Liquibase, Axon, Vaadin ✅ SQL Databases experience over 10 years: PostgreSQL, MySQL, MariaDB, Oracle ✅ NoSQL Databases: MongoDB, Redis, Hazelcast ✅ Message Broker: Kafka and Zookeeper ✅ Firebase messaging ✅ Message Queues: ActiveMQ & RabbitMQ. ✅ ELK: logstash, elasticsearch, kibana ✅ Testing: JUnit, Spring Test, Mockito, Integration Test, Unit Test. ✅ Versioning: GIT, GitHub, BitBucket, GitLab etc ✅ DevOps: Jenkins, Docker, Kubernetes, CI/CD ✅ Hands-on design, development, implementation, and optimization of the application. ✅ Apply software engineering best practices incl. design review, code review, and refactoring. ✅ Experienced with the full Software development life cycle (SDLC) including gathering requirements, development (design, coding, debugging), testing & deployment I’m excited to contribute and help drive maximum impact for your project 🚀

I help startups, SaaS companies, and enterprises turn ideas into AI-powered products, intelligent automation systems, scalable APIs, and modern software platforms that reduce operational costs, automate workflows, and accelerate business growth. As an AI Engineer with 8+ years of experience, I specialize in building production-ready AI applications, AI Agents, AI-powered SaaS platforms, Automation, workflow automation systems, Software Development, AI Agent Development, and full-stack products that solve real business problems and create measurable value. My expertise spans the full AI lifecycle, including Generative AI, AI Agents, Machine Learning, Natural Language Processing (NLP), Computer Vision, Automation, AI Automation, Workflow Automation, AI Integration, AI Agent Development, AI API Integration, and production-grade AI deployment. Unlike many AI specialists who focus only on models, prompts, or integrations, I draw on my full-stack expertise to build the entire product, not just the AI feature. From AI architecture and automation workflows to APIs, backend systems, SaaS platforms, and full-stack applications, I help businesses turn ideas into production-ready solutions. My areas of expertise include: - Generative AI Applications and Large Language Models (LLMs) - AI Agents, Multi-Agent Systems, Autonomous Workflows, and AI Copilots - ChatGPT, GPT-4, Claude, Gemini, OpenAI API, Claude API, and AI Integrations - AI Chatbots, Conversational AI, Knowledge Assistants, and AI-powered Applications - Retrieval-Augmented Generation (RAG), AI Search Systems, and Knowledge Platforms - Machine Learning Models, Predictive Analytics, and Recommendation Engines - Natural Language Processing (NLP), Semantic Search, Embeddings, and Vector Databases - Computer Vision, OCR, Image Processing, and AI-powered Recognition Systems - Zapier, Make, n8n, Monday - JavaScript, React, Next.js, Node.js, PHP, FastAPI, Python, PostgreSQL, MySQL, MongoDB A major part of my work involves helping companies automate operations and eliminate repetitive manual processes through AI Workflow Automation, intelligent system integrations, and AI-powered business automation. I build automation ecosystems using n8n, Zapier, Make, APIs, Webhooks, CRM integrations, AI Agents, and custom automation pipelines that connect AI with sales operations, customer support, internal workflows, reporting systems, and business processes. I also specialize in API Development, API Integration, REST API Development, GraphQL APIs, Backend Architecture, Webhooks, SaaS Integrations, and third-party platform integrations. I regularly build secure and scalable API ecosystems that connect AI systems with CRMs, databases, SaaS products, payment gateways, enterprise tools, and external services. My experience includes integrating: - OpenAI API, Claude API, Gemini API, and custom AI models - Stripe, PayPal, Twilio, Google Maps, and third-party SaaS APIs - HubSpot, Salesforce, GoHighLevel, and CRM platforms - Internal business systems, analytics platforms, and enterprise software Beyond AI and automation, I bring strong Full Stack Development expertise that allows me to build complete products, not just AI features. I develop AI-powered SaaS platforms, Software development, custom web applications, dashboards, admin panels, marketplaces, internal tools, and API-driven systems using React, Next.js, Node.js, FastAPI, Python, PostgreSQL, MongoDB, Firebase, Supabase, GraphQL, REST APIs, Docker, AWS, and modern cloud infrastructure. This enables me to own the entire product lifecycle, from AI architecture and backend engineering to frontend development, integrations, deployment, and scale. To accelerate delivery without sacrificing quality, I leverage modern AI-assisted development workflows using Cursor, Claude Code, Windsurf, GitHub Copilot, Replit, Lovable, and other AI-native engineering tools. This allows faster MVP development, shorter delivery cycles, rapid iteration, and efficient product validation while maintaining production-grade architecture and engineering standards. I regularly help businesses: - Launch AI-powered products and SaaS platforms faster - Build AI Agents and intelligent automation systems - Build MVPs and validate products quickly - Integrate AI into existing software and business workflows - Automate customer support, sales, operations, and reporting processes - Develop machine learning and predictive analytics solutions - Create secure, scalable, production-ready AI applications Whether you're building an AI startup, launching an AI-powered SaaS platform, developing a custom web application, integrating AI into an existing product, developing software, building API-driven systems, or automating business operations, I can help transform the idea into a scalable production-ready solution.

𝐈’𝐦 𝐚 𝐓𝐨𝐩-𝐑𝐚𝐭𝐞𝐝 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 .𝐍𝐄𝐓 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐰𝐢𝐭𝐡 𝟏𝟎+ 𝐲𝐞𝐚𝐫𝐬. I have worked extensively in domains such as Healthcare, Education, Job portals, Finance, Hospitality, ERP, Social Networking, Automobile, Home Care and Custom development. 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐎𝐟𝐟𝐞𝐫𝐞𝐝: 🌐 Full Stack Web Development 📱 Responsive Web Design 💡 Custom Web Application Development ✅ Software Development & Maintenance services 🔧 API Development and Integration 🔒 Database Management 🚀 Deployment and Optimization ◆ ERP Software development and maintenance ---------------------------------------------------------------------------------------------------------------------- → 𝐓𝐄𝐂𝐇𝐍𝐎𝐋𝐎𝐆𝐈𝐄𝐒 I work on: 🎯 [ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬]: DOT NET Development ( ASP.NET Core, ASP.NET MVC, ASP.NET ZERO, ASP.NET Zero Boilerplate, Webforms ), MVC Razor Pages, C#, Vb, LINQ, Entity Framework, Dapper, Linq2db 🎯 [ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬 ]: Microsoft SQL Server, Azure SQL, MySQL, Azure Cosmos DB, MongoDB, Postgres, Google firebase 🎯 [ 𝐉𝐚𝐯𝐚𝐒𝐜𝐫𝐢𝐩𝐭 𝐔𝐈 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤 ]: Angular framework, React.js, Vue.js, JavaScript, jQuery, TypeScript, Next.js, HTML5, CSS3, Bootstrap, 🎯 [ 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 ]: HTML, HTML5, CSS, CSS3, SASS, LESS, Bootstrap, Material Design, Tailwind CSS, Kendo UI, Prime Ng, Synfusion, jQuery Datatable 🎯 [ 𝐂𝐥𝐨𝐮𝐝 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 ] : Azure, AWS 🎯 [ 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 ] : Domain driven design (ABP.io), N-layered, 3-layered, MVC architecture 🎯 [ 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐌𝐞𝐭𝐡𝐨𝐝𝐨𝐥𝐨𝐠𝐢𝐞𝐬 ]: Agile, Scrum, Test-Driven 🎯 [ 𝐓𝐨𝐨𝐥𝐬 ]: Visual Studio, Visual Studio Code, Azure DevOps, Agile, TFS, GitHub, JIRA, Bitbucket, Git, Telerik, DevExpress, Kendo UI 🏆 𝐑𝐞𝐚𝐬𝐨𝐧 𝐭𝐨 𝐇𝐢𝐫𝐞 𝐦𝐞! ⚈ 1 Year Support After Delivery ⚈ 24x7 always Tech Support in Upwork. ⚈ Secure Source code at GitHub, Bitbucket, TFS, SVN ⚈ Get real-time project tracking with Azure DevOps, Asana, JIRA, Zoho I am ready for my clients with entire development cycle starting from requirements gathering, application front-end and back-end development. I possess excellent communication skills and can liaise effectively with both clients and work colleagues. Other strong points include an ability to work as part of a team or individually, multi-task, prioritize and work to deadlines under pressure. Let's Connect!

Top Rated Plus AI Automation Engineer specializing in n8n, AI Agents, OpenAI, and Claude integrations. I build production-ready automation workflows that eliminate manual work, connect business systems, and scale operations. With 10+ years in software engineering and 78+ completed Upwork projects, and extensive experience in workflow automation, I help businesses eliminate manual work and scale operations using intelligent automation. What I deliver: → n8n workflow automation for business operations → AI agents for task execution using Claude and OpenAI → API and CRM integrations across business platforms → AI powered SaaS and web applications with Next.js and Node.js → Autonomous and human in the loop agent systems Core expertise: • n8n, Make, and Zapier automation workflows • Claude API and OpenAI agent systems • REST API integrations and business tool connections • CRM automation and data pipeline integrations • Next.js, Node.js, and Python for production AI systems • AI powered web application development Recent delivered work: • AI Multi-Agent CRM and Outreach Automation System • Autonomous AI Agent Setup using OpenClaw • AI Video Generation Automation Platform • AI Sales Automation with n8n and Make Most freelancers build prototypes. We build automation systems that run in production, reliably and at scale. Clients work with us when they need: • n8n workflows to automate business operations • AI agents that execute real business tasks • API integrations connecting business tools • AI powered web applications built for production • End to end automation system design and implementation If you need n8n automation, AI agents, or workflow automation that works reliably in production, send an invite.

I help startups and enterprise organizations architect, design, and build scalable web applications, mobile apps, and AI-powered systems—from concept to production. With 20+ years of software engineering experience, a former tenure as a Professor of Human-Centered Computing, and multiple national design awards, I bridge the gap between complex engineering and intuitive user experience. Whether you are a non-technical founder launching an MVP or an enterprise leader modernizing a business-critical system, I provide the senior technical leadership and execution required to deliver production-ready software. 🚀 For Startups & Mid-Market: MVP Development & Scale I specialize in working with non-technical founders and growth-stage companies to turn vision into functional, market-ready products. I bring a product mindset to ensure your architecture is built to scale from day one. -Rapid MVP Launch: Scoping, designing, and engineering high-performance initial products. -Tech Stack Optimization: Full-stack expertise across React, Next.js, .NET, Laravel, and modern cloud architectures. -Core Integrations: Seamless implementation of payments (Stripe), complex APIs, and smart AI automation. 🏢 For Enterprise & High-Regulated Industries (Healthcare, Insurance, Fintech) I engineer high-performance systems for complex, data-sensitive environments where reliability, compliance, and accessibility are non-negotiable. -Legacy Modernization: Upgrading legacy systems into scalable, secure, and modern web/mobile architectures without disrupting operations. -Inclusive & Accessible Design: Championing compliance and cutting-edge UX/UI. (Semifinalist in the US Department of Transportation Inclusive Design Challenge for autonomous vehicle accessibility). -Robust Backend Architectures: Designing high-throughput, enterprise-grade systems utilizing .NET, secure APIs, and advanced data pipelines. 🔍 Specialized Services: Application & UX Audits Before you write another line of code or burn budget on a rebuild, you need to know exactly what is broken. I leverage 15+ years of teaching software engineering at a major university and directing an advanced research lab to provide deep-dive technical reviews. -Architecture & Code Audits: Evaluation of scalability, technical debt, security vulnerabilities, and system bottlenecks. -UX/UI & Accessibility Assessments: Evidence-based reviews rooted in human-centered computing to identify friction points and boost user engagement. -The Deliverable: A comprehensive, actionable blueprint detailing exactly how to optimize your business-critical applications for performance and ROI. Unsure Where to Start? Let’s Talk Strategy. If you have a complex technical challenge, an ambiguous product roadmap, or a failing software project, you don't need to commit to a massive contract immediately. -Paid Strategy Consultations: Book a discovery session to untangle your technical architecture, map out an MVP feature list, or define your product strategy. No jargon, just clear, actionable advice from a veteran engineer. 🏆 Credentials & Recognition -20+ Years of hands-on full-stack engineering and product development experience. -15 Years in Academia (Computer Science, Software Engineering, UX, Accessibility): Currently a part-time adjunct, formally a tenured Dean's Associate Professor of Human-Centered Computing & Research Lab Director. -InnoVision Award Winner for outstanding advancement in technology and innovation. -US Department of Transportation- Inclusive Design Challenge Semifinalist (AV Accessibility). Let’s turn your complex technical ideas into reliable, scalable, and award-winning realities. Hit the "Message" or "Invite" button to discuss your project.

𝐙𝐨𝐡𝐨 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 (𝐂𝐑𝐌, 𝐂𝐫𝐞𝐚𝐭𝐨𝐫, 𝐀𝐧𝐚𝐥𝐲𝐭𝐢𝐜𝐬, 𝐙𝐨𝐡𝐨 𝐅𝐥𝐨𝐰, 𝐙𝐨𝐡𝐨 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬, 𝐙𝐨𝐡𝐨 𝐅𝐨𝐫𝐦𝐬) As a Certified Zoho Developer and Senior Full Stack Expert, I bring experience in leveraging Zoho’s robust ecosystem to streamline workflows, automate processes, and drive business growth. My deep understanding of Zoho CRM, Zoho Creator, Zoho Campaigns, Zoho Desk, Zoho Projects, Zoho Invoice, Zoho Books, Zoho People, Zoho Subscription, Zoho Recruit, Zoho Reports, Zoho Inventory, Zoho Docs, Zoho Meeting, Zoho Sites, Zoho Commerce, Zoho Flow, and other Zoho programs allows me to create tailored solutions that elevate organizational efficiency and ROI. 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝐈 𝐎𝐟𝐟𝐞𝐫: 👉 Custom Zoho One Solutions: Tailored implementations to address your unique business requirements. 👉 End-to-End Development: Scalable, secure full-stack solutions to meet the demands of modern enterprises. 👉 API Integrations: Expertise in integrating third-party services for seamless operations. 👉 Agile Development: Efficient project execution using agile methodologies for faster delivery. 👉 Communication & Collaboration: Clear and consistent updates to keep your team informed at every step. 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲? ✅ Proven Track Record: Consistently delivering high-quality solutions on time and within budget. ✅ Vision Alignment: Your goals are my priority, ensuring your vision comes to life. ✅ Client-Centric Approach: A partnership-driven mindset where your success is the ultimate measure of achievement. ✅ Always Up-to-Date: Staying at the forefront of emerging technologies and best practices. 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 🌟 Zoho Suite Mastery: Advanced knowledge of Zoho CRM, Zoho Creator, Zoho Campaigns, Zoho Desk, Zoho Projects, Zoho Invoice, Zoho Books, Zoho People, Zoho Subscription, Zoho Recruit, Zoho Reports, Zoho Inventory, Zoho Docs, Zoho Meeting, Zoho Sites, Zoho Commerce, and Zoho Flow to automate and enhance your organization’s efficiency. 🌟 Full Stack Development: Front end (HTML, CSS, JavaScript, React, Angular) and back-end (Node.js, Python, Django, Ruby on Rails) technologies. 🌟 Database Management: Relational databases (MySQL, PostgreSQL) and NoSQL databases (MongoDB, Cassandra). 🌟 Cloud Proficiency: Experience with AWS, Azure, and Google Cloud for robust and scalable solutions. 🔍 𝗟𝗲𝘁’𝘀 𝗖𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗲 I am passionate about empowering businesses through technology. Whether you need custom development, seamless integrations, or expert guidance, I’m here to help you succeed. 📩 Reach out today to start a conversation about how I can contribute to your project’s success!

⭐️Your 𝐑𝐄𝐋𝐈𝐀𝐁𝐋𝐄 tech partner who won’t miss 𝐃𝐄𝐀𝐃𝐋𝐈𝐍𝐄𝐒⏰,won’t break the 𝐁𝐀𝐍𝐊 💰 and will deliver a 𝐒𝐂𝐀𝐋𝐀𝐁𝐋𝐄 𝐒𝐎𝐋𝐔𝐓𝐈𝐎𝐍📈that won’t need to be rebuilt from scratch later🔧 💡 130+ production-grade products delivered (SaaS, MVPs, AI systems, marketplaces) 💰 $16.5M+ revenue generated by client products 👥 157K+ active users powered by systems I built ⚡ 1M+ API requests/month at 99.9% uptime 🚀 MVP → production in 2–6 weeks, architected to scale from day one 🔥 WHAT I DO You're building a SaaS, MVP, or AI-powered product. You need a Full Stack Developer who can own React frontend and Node.js backend end-to-end, ship in weeks (not quarters), and write code your future team won't throw away. That's what I do. Early-Stage MVP, Productionizing a prototype, Scaling a Live SaaS Platform, or Legacy Codebase rebuild - I've built this on React, Next.js, Node.js, TypeScript, Supabase, PostgreSQL, AWS over 10+ years. 🔥 ROLES I TAKE ON (10+ YEARS EXPERIENCE) ✔ Full Stack Developer / Full Stack Engineer — 40+ end-to-end SaaS platforms (React + Node.js), 10+ years ✔ Frontend Developer / Front-End Developer — 30+ production UI builds, 10+ years ✔ React Developer / React.js / ReactJS Developer — scalable React apps since 2015, 10+ years ✔ Node.js / NodeJS Developer / Backend Developer — 25+ APIs, 1M+ req/month, 10+ years ✔ Vue.js Developer / Nuxt.js Developer — 8+ Vue projects, 8+ years ✔ Next.js Developer / NextJS Developer — 15+ SSR/SSG SaaS platforms, 7+ years ✔ TypeScript Developer / JavaScript Developer — 50+ typed and untyped JS codebases, 10+ years ✔ SaaS Developer / Web App Developer — MVP to scale, 10+ years ✔ Lead Frontend Engineer / Senior Full Stack Engineer — team leadership on 18+ projects 🔥 INDUSTRIES I SERVE ⚖️ For LegalTech founders — 6+ Case Management Systems, Document Workflows, Client Portals, Compliance SaaS 🏥 For Healthcare & MedTech — 8+ Patient Platforms, Telehealth, HIPAA-Compliant data, Clinic Management SaaS 📦 For Logistics & supply chain — 5+ Logistics Platforms, real-time tracking (sea/air/truck), Project44, INTTRA, EDI 🛒 For Marketplace & e-commerce — 15+ Multi-Vendor Marketplaces, B2B & Two-Sided Marketplace, Stripe, bidding, complex search 🤖 For AI startups — 12+ AI-Powered products: OpenAI / Claude API / LLM, RAG Chatbots, AI Agent Platforms, vector DBs, FastAPI, browser extensions 📝 For No-code & enterprise SaaS — 10+ Form Builders, Admin Dashboards, Internal Tools, Microservices, Multi-tenant 🌐 For Media, AdTech & publishing — 6+ Publisher Platforms, CMS, payment gateways, Analytics Dashboards 🏠 For Real estate & PropTech — Property Listings, Bidding & Auction systems, Agent Dashboards 💰 For FinTech founders — Stripe Connect, subscription billing, multi-currency, KYC, Fintech MVP 📚 For EdTech — course delivery, student dashboards, progress tracking, live sessions 🔥 RESULTS I DELIVER ✔ MVP → production in 2–6 weeks, 35% fewer bugs, 5–8 weeks shorter delivery cycle ✔ Frontend: LCP under 1.5s, Lighthouse 90+, bundle reduced 40%, 18–27% engagement uplift ✔ Backend: 1M+ API requests/month, 99.9% uptime, 40–60% lower latency ✔ Database: 3–5x faster response, 70% less DB load; 90% faster workflows, 65% fewer back-office actions ✔ +30% conversion on React / Next.js apps; 15–22% better marketplace lead quality ✔ 15,000+ shipment operations/month, 2,423+ completed orders, 30,000+ healthcare users ✔ 20+ SaaS MVPs launched, 47% fewer bugs in legacy modernization 🔥 HOW I WORK I think like a product engineer, not a code-monkey. Before writing a line, I align on the business outcome - who the user is, what they pay for, where the product needs to be in 6 months. Then I ship in weekly demos and stay available on Slack / Telegram for fast turnaround. Typical cycle: 1️⃣ Discovery & scoping (2–3 days) — define MVP boundary 2️⃣ Architecture — clean foundations, scalable schema, right stack 3️⃣ Weekly sprints with demos — progress every week 4️⃣ Production launch — CI/CD, monitoring, error tracking 5️⃣ Post-launch support — most clients keep me on 🔥 TECH STACK Frontend: React.js, ReactJS, React Hooks, Next.js, NextJS, Vue.js, Nuxt.js, TypeScript, Redux, Zustand, Tailwind CSS, shadcn/ui Backend: Node.js, NodeJS, Express.js, NestJS, Python, FastAPI, REST, GraphQL, WebSockets Database: PostgreSQL, Supabase, MongoDB, MySQL, Redis, Prisma Supabase: Auth, Row-Level Security, Edge Functions, Realtime, Storage AWS: Lambda, S3, RDS, EC2, CloudFront, API Gateway, SQS, SNS, Cognito, ECS Other cloud: Firebase, Vercel, Netlify, Cloudflare AI / ML: OpenAI API, Claude API, LangChain, RAG, RAG Chatbot, AI Agent, Computer Vision Payments: Stripe Subscriptions, Stripe Connect, Stripe Checkout, Stripe Billing, PayPal Integrations: Twilio, SendGrid, Resend, Slack API, Telegram Bot API, EDI, Project44, Mobile: React Native, React Native Expo, iOS / Android 🚀 Building a SaaS, MVP, marketplace, or AI-powered product? Click "Invite" or "Hire" and send the brief.

Building a SaaS product or custom web application? I turn product ideas into scalable, production-ready platforms using the MERN stack and modern web technologies. 14+ years of development experience, 60+ successful Upwork projects, and a track record of delivering complex web applications from concept to launch. I specialize in building SaaS platforms with multi-tenancy, subscription billing, role-based access control, and real-time dashboards. My clients span fintech, healthcare, real estate, and security industries. 𝗪𝗵𝗮𝘁 𝗜 𝗕𝘂𝗶𝗹𝗱: → Custom SaaS platforms with subscription management and multi-tenant architecture → Admin portals and real-time analytics dashboards → CRM systems and business operations platforms → Marketplace and e-commerce applications → Booking, scheduling, and service management platforms 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁𝘀: → Built AuditionRooms, a virtual audition and casting SaaS platform from scratch. Actors, coaches, and casting professionals manage remote auditions, self-tape submissions, and casting workflows entirely online. Built with React, Node.js, and MongoDB. → Architected a comprehensive security dealer CRM that replaced multiple disconnected tools with a single web-based platform. Built with React, Node.js, Express.js, and MongoDB. → Delivered multiple SaaS MVPs from concept to launch, helping founders validate products and go to market faster using the MERN stack. 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸: 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React.js, Next.js, TypeScript, Redux, Tailwind CSS, HTML/CSS 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Node.js, Express.js, NestJS, REST APIs, GraphQL 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲: MongoDB, PostgreSQL, MySQL, Redis 𝗖𝗹𝗼𝘂𝗱: AWS (EC2, S3, Lambda, RDS), Docker, CI/CD, GitHub Actions 𝗦𝗮𝗮𝗦 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: Multi-tenancy, subscription billing (Stripe), role-based access, analytics dashboards, API integrations 𝗛𝗼𝘄 𝗜 𝗪𝗼𝗿𝗸: I start with a discovery call to understand your product vision, users, and business model. From there I design the architecture, set clear milestones, and build iteratively with weekly demos so you see progress every step of the way. Every project wraps with thorough testing, deployment, documentation, and a clean handoff. If your product idea needs to become a scalable, well-built platform, let's talk.

🚀 I help tech startups and growing businesses build custom Full Stack solutions - from custom SaaS platforms and enterprise apps (CRM/ERP/HRM) to AI-powered tools and automation pipelines that deliver real business results. I’m Oleksandr, CEO at Dinamicka Development – a leading Full Stack development agency. From MVPs to enterprise platforms, we provide end-to-end Full Stack development services, combining deep engineering expertise with modern AI-driven coding approaches to build products faster, more cost-effectively, and in alignment with your business goals. With 10+ years in software development and system architecture, my team has delivered 200+ projects across SaaS, logistics, real estate, fintech, edtech, and e-commerce – now enhanced with AI-driven engineering. 📈 𝗞𝗘𝗬 𝗠𝗘𝗧𝗥𝗜𝗖𝗦 & 𝗘𝗫𝗣𝗘𝗥𝗜𝗘𝗡𝗖𝗘 ✅ 10+ years in full stack software development ✅ 200+ projects delivered worldwide ✅ Proven success with SaaS startups and enterprise apps (CRM/ERP/Analytics Dashboards) ✅ 100% satisfaction rate across industries ✅ 85% clients retain long-term partnerships 🤖 𝗔𝗜-𝗗𝗥𝗜𝗩𝗘𝗡 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 – 𝗪𝗛𝗔𝗧 𝗪𝗘 𝗕𝗨𝗜𝗟𝗗 🚩 AI Agents & Autonomous Workflows (LangChain, LangGraph, CrewAI, MCP) 🚩 Custom AI Chatbots for SaaS & enterprise platforms (OpenAI GPT, Claude/Anthropic) 🚩 RAG Systems — private knowledge bases with vector DBs (Pinecone, Milvus, Weaviate) 🚩 AI Automation Pipelines (n8n, Make) with API & Webhook orchestration 🚩 AI-powered document processing & structured data extraction 🚩 Third-party AI integrations into CRM, ERP, and internal tools 🚩 AI-accelerated Full Stack development — faster delivery, same quality 🛠 𝗙𝗨𝗟𝗟 𝗦𝗧𝗔𝗖𝗞 – 𝗪𝗛𝗔𝗧 𝗪𝗘 𝗕𝗨𝗜𝗟𝗗 🚩 Enterprise Web Apps, SaaS, CRM, Dashboards, ERP, HRM, DMS 🚩 Mobile & Web Apps, Admin Panels & Analytics Dashboards 🚩 E-commerce Solutions, Marketplaces, Websites & Landing Pages 🚩 Data Visualization, Analytics & Reporting 🚩 IoT solutions, Chrome Extensions, Figma Plugins With us, you don't just hire a developer – you get a solution – clear project management, fast UI/UX design, expert frontend & backend engineering (React, Node.js & Python), AI-driven testing, DevOps services, and marketing support. We follow Agile (Scrum & Kanban), so you'll always have full visibility and a product that grows with your business. ⚙️𝗜𝗡𝗗𝗨𝗦𝗧𝗥𝗜𝗘𝗦 𝗪𝗘 𝗦𝗘𝗥𝗩𝗘 ✅ Logistics & Supply Chain ✅ Automotive & Fleet Management ✅ Healthcare & Sports ✅ Real Estate & PropTech ✅ Fintech & Banking ✅ E-commerce & Retail ✅ Big Data & AI-Driven Platforms ✅ Food Delivery & Restaurant Tech ✅ Education & EdTech ✅ IoT & Smart Solutions ✅ SaaS & B2B Platforms 🖥 𝗧𝗘𝗖𝗛𝗡𝗢𝗟𝗢𝗚𝗬 𝗦𝗧𝗔𝗖𝗞 ➕ AI & Agents: OpenAI (GPT-4o/GPT-5), Anthropic Claude, LangChain, LangGraph, CrewAI, MCP ➕ RAG & Data: RAG Pipelines, Pinecone, Milvus, Weaviate, Structured Data Extraction ➕ Automation: n8n, Make, Zapier, Vapi, Retell AI, ElevenLabs, Voiceflow, Twilio ➕ Front-end: React, Next.js, Vue.js, Nuxt.js, Angular, TypeScript, WebGL, Three.js ➕ Back-end: Node.js, Nest.js, Python, FastAPI, Django, Flask, PHP, Laravel, .NET, GraphQL ➕ Databases & Cloud: PostgreSQL, MongoDB, MySQL, AWS, Azure, Google Cloud, Supabase ➕ Mobile: React Native, Flutter ➕ CRM & Ecosystems: HubSpot, Salesforce, GoHighLevel, Pipedream, Custom Webhooks ➕ E-commerce & CMS: WordPress, WooCommerce, Shopify, Strapi, BuilderIO ➕ DevOps & Security: CI/CD, Docker, GitHub Actions, QA, penetration testing 🤝 𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗖𝗛𝗢𝗢𝗦𝗘 𝗨𝗦 Whether you need a classic Full Stack team or a developer who uses AI tools to ship faster and smarter, we adapt to your workflow. ✔ AI-accelerated development: faster delivery, better quality, lower cost ✔ Clear communication, structured requirements, no "black box" ✔ On-time delivery with Agile sprints and full transparency ✔ End-to-end: from architecture and UI/UX to deployment and scaling 📩 𝙇𝙚𝙩'𝙨 𝘽𝙪𝙞𝙡𝙙 𝙎𝙤𝙢𝙚𝙩𝙝𝙞𝙣𝙜 𝙂𝙧𝙚𝙖𝙩 𝙏𝙤𝙜𝙚𝙩𝙝𝙚𝙧! Whether you're launching a SaaS product, integrating AI agents into your platform, automating operations with n8n, or scaling an enterprise app — message me and let's map out your technical roadmap.