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Most startups, founders, and growing businesses already know what they want to build. The challenge is finding a Senior Full Stack Developer who can take ownership of the product, from architecture and MVP planning to frontend development, backend infrastructure, API integration, cloud deployment, automation, and long-term scalability. I help startups, SaaS companies, agencies, and established businesses build modern web applications, SaaS platforms, AI-powered products, CRM systems, business software, marketplaces, customer portals, booking platforms, admin dashboards, automation platforms, Chrome extensions, and mobile applications using production-ready technologies. My primary expertise includes React.js, Next.js, TypeScript, JavaScript, Node.js, Express.js, NestJS, PostgreSQL, MongoDB, Supabase, Firebase, AWS, Docker, Vercel, Tailwind CSS, Stripe, REST APIs, AI Integration, Workflow Automation, and Cloud Infrastructure. As a Full Stack Developer, React Developer, Next.js Developer, Node.js Developer, SaaS Developer, Backend Engineer, API Integration Developer, and AI Developer, I build scalable applications that combine exceptional user experiences with secure backend systems and reliable infrastructure. Whether you need to build an MVP, modernize an existing application, automate business workflows, integrate AI into your product, or scale an enterprise platform, I can help transform your vision into production-ready software. What I Build ✔ SaaS Platforms & Multi-Tenant Applications ✔ Startup MVP Development ✔ AI Applications & AI Integration ✔ AI Chatbots & AI-Powered Business Tools ✔ CRM Systems & ERP Solutions ✔ Business Software & Internal Platforms ✔ Customer Portals & Admin Dashboards ✔ Marketplace Platforms & B2B Marketplaces ✔ Booking & Reservation Systems ✔ Financial Platforms & FinTech Applications ✔ Healthcare & Telehealth Platforms ✔ Real Estate Platforms ✔ Mobile Applications (React Native & Flutter) ✔ Chrome Extensions & Browser Extensions ✔ Web Automation & Workflow Automation ✔ API Integration & Third-Party Integrations ✔ Payment Systems (Stripe, PayPal, Webhooks) ✔ Cloud Deployment & DevOps Core Technical Expertise Frontend Development React.js • Next.js • TypeScript • JavaScript • HTML5 • CSS3 • Tailwind CSS • Redux • React Query • Responsive UI Development • Front-End Development Backend Development Node.js • Express.js • NestJS • REST API Development • API Architecture • Authentication • Authorization • JWT • OAuth • Backend Infrastructure • Serverless Functions Database Development PostgreSQL • MongoDB • Supabase • Firebase • MySQL • Database Design • Database Optimization AI Development & Automation AI Development • AI Integration • OpenAI API • Claude API • AI Applications • AI Platform Development • AI Chatbots • Workflow Automation • Business Process Automation • AI-Powered SaaS Cloud & DevOps AWS • Docker • Vercel • Cloudflare • CI/CD • GitHub Actions • Deployment • Cloud Infrastructure • Performance Optimization Payments & Integrations Stripe Integration • PayPal • Third-Party APIs • REST APIs • Webhooks • API Integration Industries I've Worked With SaaS • FinTech • Healthcare • Telehealth • E-commerce • Education • Manufacturing • Real Estate • CRM • ERP • Recruitment • Marketplace Platforms • Booking Systems • Marketing Platforms • Business Automation Why Clients Hire Me I don't just build features, I help build products that are scalable, secure, maintainable, and ready for growth. Clients value working with me because I provide: • Clean, production-ready code • Scalable software architecture • Strong frontend and backend engineering • Reliable API integration • Secure authentication and authorization • Optimized PostgreSQL and MongoDB database design • AI integration and automation expertise • Cloud deployment and infrastructure support • Clear communication and transparent progress updates • Long-term technical partnership Whether you already have Figma designs, an existing codebase, or just an idea on paper, I can help you build a modern web application, SaaS platform, CRM, AI product, automation system, marketplace, Chrome extension, or mobile application from concept to production. If you're looking for a Senior Full Stack Developer, React Developer, Next.js Developer, Node.js Developer, Backend Engineer, SaaS Developer, AI Developer, API Integration Developer, CRM Developer, Automation Engineer, or long-term technical partner, I'd be happy to discuss your project and recommend the best technical approach

𝐒𝐓𝐎𝐏 𝐛𝐮𝐫𝐧𝐢𝐧𝐠 𝐦𝐨𝐧𝐭𝐡𝐬 (𝐚𝐧𝐝 𝐭𝐡𝐨𝐮𝐬𝐚𝐧𝐝𝐬 𝐨𝐟 𝐝𝐨𝐥𝐥𝐚𝐫𝐬) 𝐛𝐮𝐢𝐥𝐝𝐢𝐧𝐠 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐬 𝐭𝐡𝐚𝐭 𝐧𝐞𝐯𝐞𝐫 𝐥𝐚𝐮𝐧𝐜𝐡. Your idea isn’t the problem. Execution is. It’s a quiet Tuesday night. A founder is validating an idea. They’re ready to build. They hire a developer who promises “fast delivery.” Three months later? Missed deadlines. Scope confusion. Broken workflows. No real product strategy. 𝕋𝕙𝕖 𝕡𝕣𝕠𝕓𝕝𝕖𝕞 𝕨𝕒𝕤𝕟’𝕥 𝕥𝕙𝕖 𝕚𝕕𝕖𝕒. It was hiring someone who can build pages but can’t build products. Hi, I’m 𝔸𝕜𝕚𝕟𝕪𝕖𝕞𝕚. I don’t just build apps in Bubble or Glide. I engineer scalable, structured, investor-ready digital products using no-code and low-code systems designed to launch, validate, and grow. If you're serious about building a SaaS, marketplace, internal tool, AI-powered app, or startup MVP — you're in the right place. 🚀 What I Build ✔️ Bubble io Full-Stack Applications – Complex workflows – Advanced database architecture – API integrations – AI integrations (OpenAI, etc.) – Role-based dashboards – Payment systems (Stripe) – Multi-vendor marketplaces – SaaS platforms ✔️ MVP Development (Launch Fast, Validate Smart) – Lean product strategy – Core feature mapping – Rapid deployment – Scalable architecture (so you don’t rebuild later) ✔️ 𝐆𝐥𝐢𝐝𝐞 𝐀𝐩𝐩𝐬 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 – Internal business tools – Client portals – CRM systems – Operational dashboards – Automated workflows ✔️ 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 – Zapier / Make – REST APIs – Webhooks – Third-party tools integration ✔️ UI/UX with Performance in Mind – Clean interface – Conversion-optimized flows – Mobile responsiveness – Real-world usability 💼 Who I Work With • Startup founders • Non-technical entrepreneurs • Agencies • Businesses digitizing operations • Funded SaaS teams • Founders validating new product ideas If you're looking for someone to “just follow instructions,” I may not be the right fit. 𝐈𝐟 𝐲𝐨𝐮 𝐰𝐚𝐧𝐭 𝐬𝐨𝐦𝐞𝐨𝐧𝐞 𝐰𝐡𝐨: – Thinks through your product logic – Challenges weak assumptions – Suggests better workflows – Builds with scalability in mind Then we should talk. 🧠 My Approach I treat every build like a business asset — not a freelance task. 𝐓𝐡𝐚𝐭 𝐦𝐞𝐚𝐧𝐬: – Structured database design – Clean workflow logic – Performance optimization – Future-proof scalability – Clear communication No shortcuts. No messy builds. No technical debt traps. ⏳ 𝗬𝗼𝘂 𝗛𝗮𝘃𝗲 𝗧𝘄𝗼 𝗢𝗽𝘁𝗶𝗼𝗻𝘀 𝗞𝗲𝗲𝗽 𝗵𝗶𝗿𝗶𝗻𝗴 𝗰𝗵𝗲𝗮𝗽 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿𝘀 𝗮𝗻𝗱 𝗿𝗲𝗯𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝘁𝗵𝗲 𝘀𝗮𝗺𝗲 𝗽𝗿𝗼𝗱𝘂𝗰𝘁 𝘁𝘄𝗶𝗰𝗲. 𝗕𝘂𝗶𝗹𝗱 𝗶𝘁 𝗿𝗶𝗴𝗵𝘁 𝘁𝗵𝗲 𝗳𝗶𝗿𝘀𝘁 𝘁𝗶𝗺𝗲. A 15-minute strategy call could save you months of wasted development. If you're serious about launching or scaling your Bubble app… 📩 Send me a message with “𝗕𝗨𝗜𝗟𝗗” in the first line, and let’s discuss your project. Let’s turn your idea into a working product — not just another unfinished concept. 𝔸𝕜𝕚𝕟𝕪𝕖𝕞𝕚. Keywords lovable ai, lovable dev, lovable website, lovable dev ai, replit, ai website, supabase, fix lovable, react js, vibe coding, lovable app, bolt new, next js, web application, replit ai, bolt new ai, ai web app, ai developer, bolt new, lovable web app, build website, base44, v0, lovable n8n, ai development. landing page, prompt engineering, chatgpt ai, figma to lovable, lovable supabase, ai saas app, mvp app, make website, integration, lovable ai website, netlify, vercel, github, react, stripe, Mobile app development, MVP creation for startups, custom SaaS solutions, landing pages, marketplaces, AI web apps, & mobile apps, using Adalo, FlutterFlow, React js, Next js, Supabase, Firebase, Stripe, Airtable, Make com, Vercel, Netlify, and Figma-to-Code workflows. I ensure fast, secure, scalable, & user-friendly applications. Bubble io Expert, No Code Development, MVP Creation, SaaS Applications, NoCode Marketplace, Mobile App Development, AI Integration, API Connection Services, Startup Services, CRM Development, ERP Software, Web Application Development, Adalo, Flutter Flow, Chat GPT, Airtable, Make com, Stripe Integration, Figma, React js Developer, Bubbleio, SaaS Development, API Integration, Web Application, MVP Development, Bubble Expert, Marketplace Development, Web Design, React Developer, No Code MVP, Custom Bubble App, Startup Apps, AI App Development, App Prototype, Mobile App Creation, Full Stack Developer, Wix Website, Godaddy, Flutter Developer | Cross-Platform Mobile App (Flutter), Flutter Developer | Flutter Dart | Firebase | Mobile App Developer

Previous Head of Mobile Engineering at Y-Queue and Smart-IX | Senior Software Consultants at Kurero | Expert Flutter, Kotlin, Swift Developer 🎖 As Head of Mobile at Smart-IX, I led a young engineering team to rewrite the SmartLiving app, saving the company from bankruptcy and securing a €3 million acquisition deal from TOGG. 🎖 As Head of Mobile at Y-Queue, I led my engineering team to build the first-ever Android Instant App and iOS App Clip for a full Flutter project—a feat previously thought impossible due to Flutter’s large app size and lack of documentation. 🎖 Built one of the first automotive apps using Flutter, even when no documentation was available. This achievement underscores my ability to solve complex problems and innovate in challenging uncharted areas. Attached in my project section is a demo. 🎖 As a software consultant at Kurero, I led a young engineering team to build a custom deep link solution, because the existing ones didn't work well and were overpriced. This saved the company from expenses over $50,000 --- About Me While I’m new to Upwork, my experience is anything but. Over the last 6+ years, I’ve built, led, and delivered high-performance mobile applications for A-level clients and top global companies such as Volkswagen, Porsche, and Togg. My priority is always the same: client satisfaction and exceptional results. --- Services I Offer Anything buildable with Flutter, odds are that I can and have built it before. Skills: ✔️ Dart || OOP ✔️ Flutter Framework, ✔️ Knowledge of mobile app development concepts ✔️ Good understanding of UI/UX Design and Development ✔️ Flutter Responsive Design ✔️ Flutter State Management : Provider || BLoC || GetX ✔️ Third-party libraries and API integration ✔️ Flutter Custom Package development ✔️ Flutter with Firebase Integration ✔️ Flutter Maps and Geolocation ✔️ Platform-specific Integration ✔️ Version Control Systems : Git || GitHub || Gitlab ✔️ Flutter API Testing and Documentation: Postman || Swagger ✔️ Flutter Localization ✔️ Flutter Ads Integration || Admob || Meta || Flyer ✔️ Flutter Push Notifications ✔️ Flutter Local Storage and Caching ✔️ Flutter Code Review ✔️ Flutter Payments Integration || In-App purchases || Subscriptions || RevenueCat ✔️ Flutter Push Notifications ✔️ Flutter Canvas, Animation and Motion ✔️ Flutter Testing & Debugging ✔️ Flutter Performance Optimization and Code Refactoring ✔️ Problem-Solving ✔️ Writing efficient and clean code || MVC || MVVM || Clean architecture ✔️ Agile methodologies ✔️ Jira || Teams || Trello --- Why Choose Me? - Apps in Play Store and App Store with 1 Million+ downloads. I have developed an instinct for what makes apps go viral. - Although I’m new to Upwork, I’ve successfully delivered for top-tier companies like Volkswagen, Porsche, Togg, and Dropezy(YC W22). - I prioritize your business goals and work hard to ensure your project exceeds expectations. - I am a good communicator. - Full-time freelancer - Available 50+ hours per week, fully dedicated to your project. - I don’t juggle multiple projects. When I’m working on yours, my full attention is on delivering the best possible result until it's perfect. --- Notable Projects * Togg T10X: Built the app store for Togg's flagship electric vehicle. * SmartLiving: Rewrote the SmartLiving app, saving the company from bankruptcy and securing a €3 million acquisition deal. * Dropezy(YC W22): Helped build the mobile app for this YC-backed startup in record time, which quickly became a favorite in Indonesia’s grocery delivery space. * Kurero: Mentored a team of engineers to launch a voice-note-based social platform in just 6 weeks. —- FAQ Q: Can you provide maintenance support after development? A: Yes, I offer 6 months of free maintenance support after completion. Q: Do you offer design services? A: Absolutely! I provide UX/UI design services. Q: Can you assist with backend integration for my mobile app? A: Yes, I have extensive experience in integrating robust backend solutions, including real-time databases, APIs, and payment gateways, to ensure your app functions seamlessly. Q: Will you focus solely on my project? A: Yes, I don’t work on multiple projects at once. Q: How do you ensure app quality? A: I prioritize quality through rigorous testing (unit, widget, and integration tests) and follow best practices in clean architecture Get in Touch Looking for a Senior Mobile Engineer to take your app to the next level? I’m here to help! Whether you need - Custom app development - Feature integrations - Ongoing support I’m ready to contribute my skills and expertise to your project. P.S. Even if you don’t hire me now, keep my profile link in case you need me later.