Full-stack web development company with 20 engineers and 25 years building production platforms. We deliver React, Node.js, Next.js, and TypeScript web applications. API integration, RESTful API development, AI development, chatbot development, SaaS platforms, and complex business logic. PostgreSQL, MongoDB, Docker. European timezone, production-ready in 2 weeks. We build with Claude Code, RAG pipelines, and AI agent architectures. LLM integration, MCP servers, and AI-powered automation. Two ways I work with clients: - Dedicated developers for your team. Senior JavaScript and React developers vetted on real production projects. - Custom web application builds. Fixed scope with paid discovery so there are no surprises. 93% Job Success. Clients in US, UK, Germany, Austria. Average engagement: 12+ months. I personally scope every project and vet every engineer.

I build production AI web apps and RAG features that answer fast and ship on time. Ideal for SaaS MVPs and internal tools. Data-heavy dashboards too. Clean APIs. Maintainable code. Faster delivery, with less rework. I'm Bhanu Chauhan, Senior Full-Stack AI Engineer with 7.4 years in the seat. 12,000+ Upwork hours. Top Rated Plus. $100K+ earned across 20+ long-term projects. I've shipped for clients in the US and UK. Canada and Australia as well. I handle design and coding, then deploy end to end. React with TypeScript for clear, maintainable UIs that don't break on release. Python with FastAPI for high throughput REST. Background jobs included. Clean API contracts from day one. PostgreSQL for transactional work or MongoDB for flexible content. AWS for private networks and IAM. Monitored services included. Docker and Kubernetes with CI/CD so updates roll out with low risk. For AI features, I wire OpenAI and LangChain into your product, with retrieval over your docs. I build agents and tool use when it makes sense. I add eval loops and content filters, then expose everything through well documented endpoints and workers. What I can help with: - RAG chat over PDFs. HTML pages too. Knowledge bases as well. - SaaS MVPs with auth and roles. Billing if needed. - Data dashboards with filters and charts. Exports supported. - Backend APIs for partners and internal teams. - AI copilots or chatbots that automate workflows and surface insights. - CI/CD pipelines with Docker images and Kubernetes deploys. How I work: - Quick discovery to lock scope and outcomes. Constraints captured early. - Milestones with clear deliverables and checklists. - Prototype or API spec within 48 to 72 hours. - Weekly demos and written updates. - Clean Git history with readable commits. - Handover docs plus setup guides. Short screen recording on request. Availability: 20 to 30 hours per week. Same day communication. Overlap with US and EU time zones. Send a short brief. I'll reply within 24 hours with a plan and timeline.

"I don’t just write code; I build automated revenue engines." With over 10 years of experience in the Fintech and Blockchain space, I help traders and entrepreneurs automate their success. Whether you have a complex manual trading strategy or a vision for the next big Fintech app, I bridge the gap between financial theory and high-performance execution. # Custom Trading & Crypto Bots My specialty lies in transforming your specific strategy—whether it's based on technical indicators, price action, or sentiment analysis—into a 24/7 working bot. • Strategy to Bot: Send me a screenshot of your chart or a description of your strategy, and I will deliver a fully functional, backtested bot. • Arbitrage & High Frequency: Expertise in MEV, Cross-exchange arbitrage, and Grid trading. • AI Integration: Leveraging LLMs and predictive modeling to filter out market noise and improve win rates. # Proven Fintech Expertise I have developed several popular Fintech applications that are currently scaling in the market. Key projects include: • Robinhood-Style Trading Platforms: Real-time data streaming, instant order execution, and sleek UI. • Crypto Wallets (Phantom/MetaMask style): Multi-chain support (Solana, Ethereum), dApp browser integration, and high-level encryption. • Neobank & Digital Wallets: Peer-to-peer payments, automated savings, and multi-currency support (similar to Revolut). • Calcounti (Nutrition/Fintech Hybrid): Advanced AI integration for market-specific tracking and automated billing. Why Choose Me? • 10 Years in Fintech: I understand security, scalability, and compliance. • AI-First Approach: I use AI to make your apps smarter and your bots more accurate. • Result-Oriented: My goal is to help you generate consistent revenue through automation. Let’s turn your strategy into a live bot today. Click 'Invite to Job' to start the conversation.

Hi, I’m Kuldeep — a passionate, dependable, and results-driven Full Stack Developer with over 16+ years of experience building and scaling web, mobile, and AI-powered applications that solve real-world problems and drive business growth. Since 2009, I’ve worked across diverse industries — from EdTech and HealthTech to Web3, Travel, Real Estate, and Productivity SaaS — developing everything from MVPs to full-scale platforms. My work always focuses on clean, maintainable architecture, elegant UI/UX, and seamless user experiences. 🧠 Tech Expertise ✅ Frontend Frameworks: Next.js • React.js • Vue.js • Nuxt.js • Tailwind CSS • React Native ✅ Backend Frameworks: Node.js • Express.js • NestJS • FastAPI • Laravel ✅ Database & ORM: Prisma • Drizzle ORM • Mongoose • Supabase • PostgreSQL • MongoDB 🤖 AI Development Experience RAG + LangChain Pipelines: Built AI-powered Retrieval-Augmented Generation bots using LangChain + OpenAI for document-heavy dashboards. Implemented vector search with PGVector/Supabase and optimized metadata + chunking for better context recall. Insurance AI Agent: Developed a full-cycle AI assistant that helps customers describe needs, get quotes, make payments, and download policy documents using GPT + third-party APIs. SQL Assistant for Enterprises: Created a GPT-powered AI tool for internal dev teams to document complex schemas, auto-generate and optimize SQL queries (PostgreSQL, MySQL, SQL Server), and integrate into team workflows. Sales Qualification AI Agents: Built B2B agents to evaluate ICP-fit of inbound leads by scraping public web data and matching with internal profiles via OpenAI + scraping APIs, deployed via n8n and React. Multilingual Chat Assistants: Integrated LLMs like GPT-4, Claude, and Gemini into React Native and Next.js apps for real-time chat, support ticket generation, and lead follow-ups. 🌟 Highlighted Projects 🔒 GeoLock.co – Smart parenting platform with AI-based usage analysis, screen-time control, and geofencing 🎓 GeoCampus.co – EdTech platform using patented geofencing for distraction-free learning 📈 SQOR.io – Real-time monitoring dashboard using GPT-4 + TypeScript + Python 💼 WorkCradle.com – AI-enhanced productivity tracker (Vue + Electron) 📄 VR SecureDocs – Document ERP system with AI assistant for document navigation 💳 DebitBee.in – Digital ledger with GPT-powered reminders and insights 🌍 Maya Travels + K1 Travel Portal – Scalable travel SaaS platforms 🧠 Tracklabs.in – Employee tracking SaaS with analytics dashboard and desktop agent 💼 What I Bring to Your Project ✅ Full-stack + AI development expertise ✅ Clean, scalable, and maintainable architecture ✅ Strong DevOps, CI/CD, and deployment (AWS, Azure, GCP, Vercel) ✅ Agile team player with excellent communication ✅ Speed + Quality — I ship fast without sacrificing quality 💬 Let’s Talk Whether you need a long-term engineering partner, AI strategist, or someone to accelerate your MVP, I bring clarity, commitment, and code that performs. I’m happy to walk through case studies or demo any feature I’ve built. Let’s build something impactful together.

🖥️ Front-end Development, 🔙 Back-end Development, 🔗 API Integration, 🗄️ Database Management, 🌐 Server and Agile Management, 📚 Version Control and CMS Meet M. Adnan Masood, a seasoned developer with over 12 years of experience in the industry. As a Top Rated Plus freelancer on Upwork, I have successfully completed numerous projects, accumulating over 17,237 logged hours. My comprehensive expertise encompasses both front-end and back-end development, offering tailored solutions to meet clients’ unique needs. I specialize in creating seamless user experiences and robust applications. Dedicated to maintaining high-quality standards, I strive to build long-lasting client relationships. Let’s connect to explore how I can elevate your project to the next level. As a dedicated and professional full-time freelancer with over 12 years of experience, I am proud to be a consistent Top Rated Plus freelancer on Upwork, having logged over 17,237 hours. My expertise spans both front-end and back-end development, ensuring comprehensive solutions for my clients. 🖥️ Front-end Development: Crafting visually appealing and interactive user interfaces using HTML/CSS, Bootstrap, JavaScript, AJAX, jQuery, Vue.js, and React.js. 🔙 Back-end Development: Developing secure and scalable server-side applications with PHP, Zend, Codeigniter, Laravel, Symfony, Node.js, and Express.js. Expertise in API Development, cURL, and Web Services. 🔗 API Integration: Seamlessly integrating third-party services such as Google, Facebook, Twitter, Google Maps, EAN, eBay, PayPal, Stripe, and YouTube, as well as custom API solutions. 🗄️ Database Management: Managing complex databases with MySQL, PostgreSQL, Elastic Search, and Singlestore to ensure data integrity and performance. 🌐 Server and Agile Management: Expertise in server environments like WAMP, LAMP, Vagrant, AWS, Docker, and Linux. Proficient in Agile Development using Atlassian Jira and Scrum methodologies. 📚 Version Control and CMS: Managing code repositories with Git and SVN. Creating and customizing websites using WordPress. Ready to bring your project to life with my expertise? Contact me today to get started!

𝗝𝗮𝘃𝗮 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 🖥️, 𝗦𝗽𝗿𝗶𝗻𝗴 𝗕𝗼𝗼𝘁 🌱, 𝗠𝗶𝗰𝗿𝗼𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀 🛠️, 𝗔𝗪𝗦 ☁️, 𝗥𝗘𝗦𝗧 𝗔𝗣𝗜𝘀 🔗 I help businesses build scalable, secure, and high performance backend systems that handle growth without slowing down. Most applications work well in the beginning. The problems start when traffic increases. APIs become slow, deployments become risky, and maintaining the code becomes expensive. That's where I come in. 𝗔𝘀 𝗮 𝗦𝗲𝗻𝗶𝗼𝗿 𝗝𝗮𝘃𝗮 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝘄𝗶𝘁𝗵 𝟭𝟯+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲, I've helped startups and enterprise companies design, build, and optimize backend systems that scale reliably in production. I am not just a Java Developer who writes code. I help businesses create backend architectures that support growth, improve performance, and reduce technical debt. 𝗥𝗲𝘀𝘂𝗹𝘁𝘀 𝗜'𝘃𝗲 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱 • Built scalable Java Developer solutions serving thousands of daily users with high availability. • Designed Microservices architectures that reduced deployment risks and improved system reliability. • Developed Spring Boot applications that improved API response times and backend performance. • Helped businesses migrate legacy systems into modern Java Developer architectures. • Delivered production ready backend platforms for startups and enterprise organizations. Every project starts with a business goal and ends with measurable results. 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗼 𝗝𝗮𝘃𝗮 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 • Custom backend application development • Enterprise Java solutions • Legacy application modernization • Backend performance optimization • Secure and maintainable architecture 𝗦𝗽𝗿𝗶𝗻𝗴 𝗕𝗼𝗼𝘁 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 • REST API development • Spring Security • Spring Data JPA • Authentication and authorization • Scalable backend services 𝗠𝗶𝗰𝗿𝗼𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 • Distributed systems design • Service decomposition • API Gateway implementation • Event driven architecture • System scalability and resilience 𝗔𝗪𝗦 𝗖𝗹𝗼𝘂𝗱 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 • AWS deployment and infrastructure • EC2, ECS, Lambda • Cloud architecture design • Monitoring and optimization • Cost effective cloud operations 𝗥𝗘𝗦𝗧 𝗔𝗣𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 • API design and implementation • Third party integrations • Payment gateway integration • Documentation and testing • Secure API architecture 𝗪𝗵𝗮𝘁 𝗠𝗮𝗸𝗲𝘀 𝗠𝗲 𝗗𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝘁 Most Java Developers focus only on writing code. I focus on the business impact of the software. 𝗕𝗲𝗳𝗼𝗿𝗲 𝗯𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗮𝗻𝘆𝘁𝗵𝗶𝗻𝗴, 𝗜 𝗮𝘀𝗸: • Will this architecture still work when traffic grows? • Can future developers maintain it easily? • Is it secure? • Is it optimized for performance? • Can it scale without major rewrites? This approach helps clients avoid costly problems later. 𝗪𝗵𝗼 𝗜 𝗪𝗼𝗿𝗸 𝗕𝗲𝘀𝘁 𝗪𝗶𝘁𝗵 • Startups building new SaaS products • Businesses scaling existing applications • Companies modernizing legacy Java systems • Teams adopting Microservices architecture • Organizations migrating workloads to AWS • Businesses needing secure and scalable REST APIs 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 Java, Spring Boot, Spring Security, Hibernate, JPA, Microservices, AWS, Docker, Kubernetes, REST APIs, Kafka, RabbitMQ, PostgreSQL, MySQL, MongoDB, Redis, Maven, Gradle, Git, CI/CD, Jenkins 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗛𝗶𝗿𝗲 𝗠𝗲 • 13+ years of Java Developer experience • Clean, maintainable code • Scalable backend architecture • Strong communication • Reliable delivery • Long term technical thinking If you're looking for a Java Developer who understands both software engineering and business objectives, let's discuss your project. Send an invitation and I'll respond within a few hours. Keywords: Java Developer, Senior Java Developer, Java Backend Developer, Java Software Engineer, Spring Boot Developer, Spring Boot Expert, Java Application Development, Enterprise Java Developer, Java Web Services, REST API Developer, RESTful API Development, Backend Developer, Backend Engineer, Microservices Developer, Microservices Architecture, Distributed Systems, AWS Developer, AWS Cloud Engineer, Java AWS Developer, Docker, Kubernetes, Kafka, RabbitMQ, Hibernate, JPA, Spring Security, API Integration, Database Design, PostgreSQL, MySQL, MongoDB, Redis, SaaS Backend Development, Scalable Application Development, Cloud Native Applications, Java Consultant, Software Architecture, System Design, Enterprise Application Development, Performance Optimization, CI/CD, Jenkins, Maven, Gradle, Full Stack Java Developer.

I help companies worldwide build, scale, and modernize enterprise-grade applications using .NET. With 11+ years of experience, I specialize in designing high-performance, secure, and scalable systems that support critical business operations. I’ve worked across industries including finance, healthcare, CRM, Inventory, ERP and e-learning—helping teams turn complex challenges into reliable, production-ready solutions. I bring deep expertise across the Microsoft ecosystem, with a strong focus on Blazor, ASP.NET Core, and modern full-stack architecture. What I do: Build scalable full-stack applications using C#, ASP.NET Core, and Web APIs Develop rich, interactive UIs with Blazor (Server & WebAssembly) Modernize legacy systems into clean, maintainable architectures Design systems using SOLID principles, CQRS, MediatR, and Domain-Driven Design Deploy and manage applications on Azure and AWS with CI/CD pipelines Ensure code quality through Test-Driven Development (xUnit, bUnit, Moq) How I add value: Improve system performance and scalability Reduce technical debt in legacy applications Deliver clean, maintainable, and future-ready solutions Align technology with real business goals I’m passionate about building systems that not only work—but scale, perform, and last. If you're looking to build or modernize a .NET-based system, or simply want to exchange ideas around scalable application architecture—feel free to connect.

I help startups and businesses build AI-powered SaaS platforms, marketplaces, and automation systems that reduce manual work and scale operations fast. I build production-ready web and mobile applications by combining 19+ years of hands-on development experience with AI-powered tools like Claude—shipping faster without compromising code quality, architecture, or UX. I also specialize in transforming outdated web apps into modern, AI-driven platforms with a clean, maintainable architecture so you’re not dependent on developers. for every small change. You’ll be able to handle minor updates yourself using AI tools like Codex or Claude. If you're looking for someone who understands both technology AND business outcomes, you're in the right place. 🚀 Core Expertise: AI-powered SaaS platforms Marketplace development (buyer/seller/admin systems) Business process automation Scalable backend architecture Custom dashboards & admin panels 🧠 How I Help You Whether you're launching an MVP or scaling an existing product, I can help you: ✅ Build your SaaS product from scratch ✅ Automate repetitive workflows using AI ✅ Develop secure and scalable backend systems ✅ Create seamless web & mobile applications ✅ Improve performance and reduce operational costs ⚙️ Tech Stack (Only What Matters) Mobile Application Development: We develop hybrid / cross-platform mobile applications using React Native CLI / EXPO, REDUX, and Flutter / Dart. PWA/progressive web application (React.js). Web Application Development: Full-Stack Development, Front-End Development, Back-End Development. MVP Development. SaaS development, Multitenancy Product Development. E-commerce & Social Media Websites. Front End Development: TypeScript, React.js, React remix, vite.js, Next.js, Vue.js, Nuxt.js, Tailwind CSS Back-end Development: Python (Django / flask / FastAPI), PHP (CodeIgniter / Laravel), Node.js (typescript), Express.js, Nest.js, fastify, Strapi Database: MongoDB, MySQL, PostgreSQL, SQLite, Amazon Redshift, MariaDB, AWS DynamoDB Tools & Technologies: Bitbucket, GitHub, Firebase, Websocket, Redis, Nginx, EC2, S3, RDS, and EBS (Elastic Block Store). 🤝 Let’s Work Together If you’re looking for: A reliable long-term developer Someone who understands business, not just code Fast execution with scalable architecture 👉 Let’s discuss your project. My experience spans various domains, as outlined below. 1. Asset management system: a web application and mobile applications for iOS and Android. 2. Location live tracking and WiFi data scanning: a web application and mobile applications for iOS and Android. 3. Habit-tracking mobile application for iOS and Android. 4. Retreat and hotel booking engine: Web Application. 5. Ticket booking system with live seat selection: web application. 6. Shipping container calculator: web application. 7. Job board mobile application and web application. 8. SaaS for hospital care and home care companies: web application and mobile application. 9. Courses booking system: A web and mobile application along with a scheduling system. E-Learning PWA: Learning languages and mobile app development. 10. SaaS for project management and task management. 11. Boutique hotel and retreat website designing. 12. Equipment rental e-commerce website development. 13. Event posting and chat system: mobile application development. 14. Development of a Bible reading mobile application with a subscription system, supporting Apple and Google Pay. 15. Dummy flight and hotel ticket booking website for visa applications. 16. SaaS for creating surveys and managing user responses. 17. Real estate website development with MLS grid integration. 18. SaaS for companies managing work assignments, customer invoicing, and task calendars. 19. Food delivery Mobile application. 20. Facebook Graph API, Instagram Graph API, Twitter API, and LinkedIn API data management. 21. Dating website development. 22. Classified listing website development. 23. Travel deals e-commerce website 24. Grocery delivery mobile application development. 25. E-commerce website for selling fine wines. 26. CV and resume creation web application. 27. Employee payroll management web application. 28. Loan management system web application. 29. scheduling system for booking home inspection appointments along with a payment gateway and connection with gohighlevel CRM. 30. revenue management system – pulls data from QuickBooks, the Mercury API and the Stripe API and calculates the revenue. 31. car and bike parts / equipment / marketplace / vendor-buyer concept. 32. SMS marketing system that is connected with Twilio 33. Developing an MVP using AI-based web application builders such as Lovable, Replit, Claude AI, Claude-assisted development and Cursor AI. Please send a message OR invite me to your job so we can schedule a Zoom meeting.

Stop paying for weeks of slow, manual coding. I leverage a 10x faster development workflow to build and deploy production-ready AI agents and full-stack SaaS MVPs in days, not months. Many developers spend hours writing repetitive boilerplate code. By treating advanced tools like Cursor and Claude as my primary development engines, I bypass the slow, tedious stages of coding. This AI-augmented leverage allows me to move from a blank page to a deployed, secure application up to 10x faster than traditional, manual developers. By automating the boilerplate, I dedicate my energy where it matters most: system architecture, advanced database security, and a seamless user experience. You do not pay for slow coding; you pay for rapid execution, secure architecture, and a product that ships to your users immediately. 💡How I Help Your Business Scale Custom AI Agents & Integrations I specialize in building autonomous agents and custom LLM integrations. Using the latest reasoning models and the Model Context Protocol (MCP), I connect your scattered data silos into one intelligent, unified system. Rapid Next.js & SaaS MVPs I build modern, scalable web applications using React, Next.js, and TypeScript. Whether you need a functional MVP this week or want to move a prototype into a secure production environment on Vercel, I execute fast. Automation & Programmatic SEO I design automated workflows that generate content, handle repetitive tasks, and scale organically. Using cron jobs, ChatGPT, and Gemini API, I build automated platforms that run reliably on autopilot. Cross-Platform Apps & Security I build professional-grade desktop applications with Electron.js and mobile apps with React Native, ensuring advanced security (like SAML/OIDC SSO flows) and data privacy are baked in from day one. 💡Featured Projects AI Workspace Mind: A full-stack autonomous workspace integrating Gmail, Docs, Sheets, and Drive. Built with Next.js, Gemini API, and Model Context Protocol (MCP). Gradeatree (Autoblogging Platform): A fully automated B2C blogging platform with over 100+ programmatically generated pages, powered by automated cron jobs and ChatGPT/Gemini API integrations. Developer Productivity Tool: A published VS Code Extension on the official marketplace, serving nearly 500 active developer installations. Monthly Funds: An offline-first personal finance mobile app featuring secure Firebase synchronization. My Credentials: Microsoft Specialization: Generative AI for Software Developers IBM Professional Certificate: AI Developer Google Certification: AI Prompting Essentials Ready to turn your idea into a deployed, production-ready product? Send me a message with a brief overview of your project, and I will tell you exactly how fast we can build it together.

One of my recent clients said something that stuck with me. After working with multiple developers, he called me the best developer he had hired till date. He said I completed everything without any hassle and without any errors. That is not a one-time result. That is how I work on every project. I am Junaid, a Full Stack developer specializing in SaaS platforms, AI-powered applications, and MVPs built for founders who need to move fast without breaking things. I combine strong engineering with product thinking, meaning I do not just write code, I help you build something that actually works for your business. A recent Fintech SaaS client put it this way: my technical skills are excellent and my ability to understand the product and project needs is very strong. Another client working on a SaaS integration said everything was seamless and error-free. These are not accidents. They are the result of a test-driven development approach and enterprise-grade architecture applied to every project, regardless of size. WHAT I BUILD SaaS platforms with authentication, payment integration, and third-party API connections. AI-powered applications using Chat GPT, Gemini, and Claude. Cross-platform mobile apps in Flutter and React Native. MVPs designed to validate your idea with real users before you invest heavily in development. Backend systems in Node.js with clean, scalable architecture. Prototype-to-production upgrades for founders who built with Lovable, Replit, or similar tools and need to scale properly. WHO I WORK BEST WITH Founders who have an app idea and need a developer who understands the business behind it, not just the technical requirements. Business owners who have already been burned by developers who delivered broken code, disappeared mid-project, or built something that worked on day one but fell apart under real usage. If you need someone who thinks like a partner and executes like an engineer, we will work well together. HOW I WORK Before writing a single line of code I make sure I understand what success looks like for your business. Most apps fail because of poor product decisions, not bad code. I help you avoid that trap by focusing on validated, data-driven development rather than building on assumptions. Every project comes with clear milestones, consistent communication, and a final delivery that is clean, organized, and ready to scale. TECH STACK Design: Figma. Frontend: React.js, Angular, Flutter. Backend: Node.js, Python, FastAPI. Mobile: Flutter, React Native. Cloud: AWS, Google Cloud, Azure. Database: MongoDB. AI: OpenAI, Google Gemini, Anthropic Claude. APIs: Stripe, Twilio, Google Cloud and more. If you have an idea, a prototype, or an existing product that needs serious engineering behind it, send me a message and tell me where you are stuck. I will tell you exactly how I would approach it.