🚀 Full-Stack Developer (React • Next.js • Node.js • NestJS • Angular • React Native • Ionic • AI) With 8+ years of professional experience, I develop scalable, secure, and production-ready web & mobile applications using modern JavaScript frameworks, cloud platforms, and AI-powered technologies. My focus is on delivering clean architecture, high-performance UI/UX, and maintainable code that produces real business results. If you’re building a SaaS app, mobile app, automated system, or AI-driven product, I can help you move faster and build smarter. 🛠️ Core Tech Stack (SEO-Optimised) Frontend Development React, Next.js, Angular, Vue.js, Ionic, React Native, Capacitor, TailwindCSS, Material UI, Bootstrap, HTML5, CSS3 Backend Development Node.js, NestJS, Express.js, Firebase Admin SDK, MongoDB, PostgreSQL, MySQL, GraphQL, REST APIs Mobile Development React Native, Ionic, Capacitor – High-performance Android & iOS apps OpenAI, Ollama, Vector Databases, LangChain, RAG, LLMs, AI Agents Firebase Auth, Google Auth, JWT, OAuth, Stripe Integration Testing & Quality Assurance Unit Testing, Integration Testing, E2E Testing (Jest, Cypress, Karma, Storybook) Dev Tools & Workflow Git, Docker, Postman, VSCode, Jira, Figma, CI/CD, Cursor AI, Replit 💼 What I Deliver (Keyword-Dense for SEO) ✔ Fullstack Web Apps (React, Next.js, Node.js, NestJS) ✔ Mobile Apps (React Native, Ionic, Capacitor) ✔ AI-Integrated Applications (OpenAI, LangChain, Vector DBs) ✔ Secure Authentication + Stripe Payments ✔ High-Performance UI/UX with TailwindCSS & MUI ✔ RAG systems, chatbots & AI workflows ✔ Complete Testing Setup (Unit, Integration, E2E) ✔ Long-term maintenance, optimizations & refactoring 🚀 Why Clients Choose Me 🔹 Expert in React, NextJS, NodeJS, NestJS, Angular, React Native 🔹 Strong focus on performance, security & scalability 🔹 Production-level testing and automation skills 🔹 Fluent English + clear communication 🔹 Experience with startups & enterprise-level apps 🔹 Fast, reliable, and always deadline-focused 🔹 Clean, modular, maintainable codebase 🔎 Perfect Fit If You're Searching For: ✔ React Developer ✔ Next.js Developer ✔ Node.js / NestJS Backend Developer ✔ Full-Stack Developer (MERN / MEAN) ✔ React Native Mobile Developer ✔ Testing Specialist (Unit, E2E) ✔ AI Developer (Chatbots, LLMs, Vector DBs) 📩 Let’s Build Something Powerful Whether you need a scalable web app, high-performance mobile app, or an AI-powered automation system, I bring senior-level expertise to build products that work flawlessly in production. Message me now — let’s elevate your project together. If you want, I can also create: Just tell me!

💡 𝗔𝗜-𝗗𝗿𝗶𝘃𝗲𝗻, 𝗦𝗰𝗮𝗹𝗮𝗯𝗹e 𝗡𝗲𝘅𝘁-𝗚𝗲𝗻 𝗗𝗶𝗴𝗶𝘁𝗮𝗹 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 Expert with 15+ years of experience, specialising in Artificial Intelligence (AI), Machine Learning (ML), GIS, Cloud Computing, and Full-Stack Web & Mobile Development. I have successfully led small to medium-sized engineering teams, driving high-impact projects across industries. 🔥 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 🤖 AI & Machine Learning | NLP, Computer Vision & Automation ⚡ GPT, ChatGPT, LLMs, LangChain, AI Chatbots, Voice AI 🧠 Natural Language Processing (NLP), Vector Databases 📸 Computer Vision (YOLO, OpenCV, TensorFlow, PyTorch) 📊 Predictive Analytics, Recommendation Engines, Generative AI 🌍🗺️ GIS & Mapping Specialist; Advanced geospatial & location-based intelligence 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 | 𝗪𝗲𝗯 & 𝗠𝗼𝗯𝗶𝗹𝗲 - Backend: Python (Django, FastAPI), Node.js, PHP (Laravel) - Frontend: React, Angular, Vue.js - Hybrid Apps: React Native, Flutter, Ionic - API Development, Headless CMS, Microservices Architecture 𝗚𝗲𝗼-𝗔𝗜, 𝗚𝗜𝗦 &; 𝗦𝗽𝗮𝘁𝗶𝗮𝗹 𝗜𝗻𝘁𝗲𝗹𝗹𝗶𝗴𝗲𝗻𝗰𝗲 - Geospatial AI, Geospatial Data Analysis, GIS Mapping - Mapbox, Leaflet, OpenLayers, OpenGeo Stack, QGIS, ArcGIS - 3D GIS, LIDAR, Drone Imagery, Geospatial AI, PostGIS 𝗖𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀 | 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 - Amazon Web Services (AWS), Google Cloud, Microsoft Azure - Cloud-Native Architectures, Kubernetes, Docker, CI/CD Pipelines - Serverless Computing, API Gateways, Auto-Scaling Systems 🏆 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜'𝘃𝗲 𝗪𝗼𝗿𝗸𝗲𝗱 𝗜𝗻: 🏥 Healthcare & MedTech – AI-driven EHR, Telehealth, Medical Imaging 🏗️ Real Estate & Construction – GIS-powered property intelligence, AI analytics 🌾 Agri-Tech & Precision Farming – Satellite imaging, crop monitoring, IoT integration 🚚 Logistics & Supply Chain – AI fleet management, route optimization, predictive analytics ✈️ Tourism & TravelTech – AI-enhanced itinerary planning, AR-powered navigation, personalized travel experiences 💳 FinTech & Blockchain – Crypto payments, DeFi solutions, fraud detection 🎓 E-Learning & EdTech – AI-driven personalized learning platforms, video annotation AI 🔐 Cybersecurity & Compliance – AI-powered fraud detection, blockchain security 🧑‍💼 HR & Recruitment – AI job-matching platforms, GPT-enhanced hiring automation 💬 𝗟𝗲𝘁’𝘀 𝗕𝘂𝗶𝗹𝗱 𝘁𝗵𝗲 𝗙𝘂𝘁𝘂𝗿𝗲 — 𝗢𝗻𝗲 𝗟𝗶𝗻𝗲 𝗼𝗳 𝗖𝗼𝗱𝗲 𝗮𝘁 𝗮 𝗧𝗶𝗺𝗲! Drop me a message and let’s get started! 🚀

✅ ​🇹​​🇴​​🇵​ 3️⃣% of performers on Upwork 🥇 ✅ 𝟏𝟎𝟎% 𝐂𝐮𝐬𝐭𝐨𝐦𝐞𝐫 𝐒𝐚𝐭𝐢𝐬𝐟𝐚𝐜𝐭𝐢𝐨𝐧 ✅ $20️⃣0️⃣​k + Earning ✅ Worked 7000+ plus hours ✅150+ Success Projects ✅Full Stack Developer having 10+ years of experience in .net and angular. I am a seasoned senior .NET/C#/Angular developer with extensive experience in building both desktop and web applications. With over 10 years in the industry, I have a deep understanding of the .NET framework and a strong command of C# programming. My expertise involves the entire software development lifecycle, from architecture, and design to implementation and maintenance. 👉𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀👨‍💻 ✅ ASP.NET MVC ✅ ASP.NET Core ✅ Web API (REST, SOAP, JSON, XML) ✅ Azure Functions ✅ Microservices Architecture ✅ Microsoft Azure Cloud Services ✅ LINQ ✅ Entity framework ✅ OOP ✅ Three Layer Architecture ✅ Repository Design Pattern 👉Azure Expertise👨‍💻 ✅ Azure Data Factory – Pipelines, Dataflows, Linked Services, Parameterization, Triggers ✅ Azure Virtual Machines – Windows/Linux setup, configuration, and scaling ✅ Azure App Services – Hosting web apps, APIs, deployment slots, autoscaling ✅ Azure Blob Storage & Data Lake – Secure file storage, lifecycle policies, structured/unstructured data ✅ Azure SQL & Databases – SQL Server, PostgreSQL, Cosmos DB, managed backups, geo-replication ✅ Azure Networking – VNets, Subnets, NSGs, VPN Gateway, Bastion, Private Endpoints ✅ Custom Domain Setup & SSL Certificate Installation ✅ Azure RBAC – Role-Based Access Control and Identity Management ✅ Azure Active Directory – Authentication, app registration, conditional access ✅ Azure Key Vault – Secrets, certificates, and key management ✅ Azure DevOps & GitHub Actions – CI/CD pipelines, release management ✅ Infrastructure as Code – ARM Templates, Bicep, Terraform ✅ Azure Monitor – Alerts, Log Analytics, Application Insights ✅ Azure Functions & Logic Apps – Serverless automation and workflows ✅ Azure Front Door & Traffic Manager – Global load balancing and routing ✅ Azure Policy & Governance – Cost control, compliance, tagging strategies 👉 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀👨‍💻 ✅ AngularJS, JavaScript, JQuery, Ajax ✅ HTML5, CSS3, Bootstrap5 ✅ Blazor, Razor in frontend ✅ KendoUI 👉 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲👨‍💻 ✅ MSSQL Server, Azure SQL ✅ SQL queries, Stored procedures ✅ SQL Functions Best regards, Amit

I'm a Full-Stack Developer with 8+ years of experience building scalable, production-ready web applications using React, Next.js, TypeScript, and Node JS — with a strong focus on clean UI/UX and modern AI integration. Over the past 2 years, I've specialized in integrating OpenAI APIs, ChatGPT, and LLM-powered features into real-world products — including RAG pipelines, AI chat interfaces, prompt engineering workflows, and ElevenLabs voice integrations. If you're building an AI-powered web app, I know this stack deeply. ⚡ Frontend: React, Next.js, TypeScript, Angular, Redux, Tailwind CSS, Material-UI, GraphQL, REST APIs, Figma-to-code, responsive UI/UX ⚡ AI & Integrations: OpenAI API, ChatGPT, RAG, ElevenLabs, Stripe, Twilio, Google Maps, SendGrid, Firebase, Mapbox, Telnyx, Deepgram ⚡ Backend: Node.js, Nest JS, Express, .NET Core, C#, Entity Framework, JWT, Websockets ⚡ Databases: MongoDB, PostgreSQL, SQL Server, Redis, DynamoDB, Firebase Firestore ⚡ Cloud & DevOps: Azure, AWS (EC2, S3, DynamoDB), App Center, Firebase Distribution I apply solid UI/UX principles throughout — not just functional interfaces, but experiences that feel polished and intuitive. I've worked across fintech, edtech, healthcare (HIPAA-compliant), and SaaS products. 100% Job Success Score · Top Rated Plus · 35+ completed projects · 10,000+ hours on Upwork. Let's talk about your project.

Full Stack Developer | ASP.NET Core · Azure and Javascript Expert | 8 years building production SaaS and FinTech platforms. My recent projects are: → eventio: AI-powered event management (.NET 8, React, Next.js, Azure OpenAI) → approvpay: FinTech SaaS with Stripe and QuickBooks (Angular, .NET Core, NgRx) → ruleonetoolbox: Real-time stock data platform (.NET 6, Angular, Azure Functions) → findd: Payroll and time-attendance SaaS (.NET Core, React, ServiceNow, MongoDB) What I build: .NET Backend & REST API Development ASP.NET Core Web APIs and Microservices using Clean Architecture, CQRS, and MediatR. Entity Framework Core, SQL Server, PostgreSQL, and MongoDB. Tested with xUnit and TDD — not added at the end. Full-Stack SaaS Development End-to-end platforms with React, Angular, Next.js, and TypeScript frontends connected to .NET backends. NgRx and Redux for state. Production-ready, not just demo-ready. Azure Cloud & DevOps Azure App Services, Functions, Key Vault, Service Bus, and Azure AD. CI/CD with Azure DevOps and GitHub Actions. Docker containerisation from day one. AI Integration Azure OpenAI and OpenAI API wired into live .NET applications — already shipped, not proof-of-concept. Third-Party Integrations Stripe, QuickBooks, SAP, ServiceNow, and Azure AD. Complex integrations handled end-to-end. Testing & Code Quality TDD, xUnit, Selenium, and integration testing baked into the process — not added at the end when it's already broken. Stack: Backend: C# · ASP.NET Core · .NET 8 · SignalR · Microservices · CQRS · MediatR · Clean Architecture Frontend: React · Angular · Next.js · TypeScript · NgRx · Redux Databases: SQL Server · PostgreSQL · MongoDB · CosmosDB · Entity Framework Core · Dapper Cloud & DevOps: Azure · Docker · CI/CD · Azure OpenAI · Azure DevOps · GitHub Actions Integrations: Stripe · QuickBooks · SAP · ServiceNow · Azure AD If you're building a .NET SaaS platform, FinTech product, or AI-integrated web application — send me the brief.

Hi, I'm Jaydeep – a Top Rated Plus Web & Mobile App Developer for over 9 years of experience building high-performance mobile applications. I specialise in building iOS and Android mobile and web apps using modern hybrid frameworks such as: • Ionic + Capacitor • Cordova • React Native • React • Angular • Next.js • Vue Over the past 9+ years I have helped startups and businesses build scalable mobile and web apps used by thousands of users. My expertise includes: ✔ Mobile app development (iOS & Android) ✔ Converting web apps into mobile apps ✔ Pixel-perfect UI implementation ✔ Firebase / Firestore integration ✔ Push notifications (Firebase / OneSignal) ✔ Google Maps & location services ✔ REST API integrations ✔ App Store & Google Play deployment Why clients hire me: • Top Rated Plus freelancer • 100% Job Success • 7600+ hours worked • 70+ completed projects If you need a reliable developer to build or improve your mobile and web application, feel free to invite me to your project.

✅Top 3% -TOP-RATED Freelancer on Upwork since I started freelancing ✅ Maintaining 100% Job Succes Score from beginning ✅ 16000+ hours worked so far as an individual developer. ✅ 104+ Jobs completed successfully, with 100% Client Dedication! ✅ Maintaining Almost ⭐️⭐️⭐️⭐️⭐️ Ratings in most of the jobs ✅ High client recommendations with long-term client satisfaction. ✅ I am an individual FULL STACK Coder/entrepreneur ✅ AI Coding Expert | AI-Assisted Coding (Copilot, Cursor, Claude) During the last 19+ years of experience, I've worked extensively on several projects of different sizes and complexity. i am an energetic, self-motivated professional with a strong work ethic and experience in programming skills, web-based infrastructure, requirements gathering & analysis, and a productive self-starter proven with success being a freelancer at Upwork. Experience of working in the complete Software development life cycle involving development and maintenance. Ability to work well in both a team environment and an individual environment. I have done a variety of work using cutting-edge technologies, including different framework like ✔ PHP5/PHP7/PHP8 ✔ Laravel ✔ Python/Django ✔ Codeigniter ✔ YII ✔ Zend Expertise in different frontend javascript technology like : ✔ React JS ✔ Next JS ✔ ANGUlAR All Version. ✔ TypeScript ✔ VUE JS ✔ Three JS ✔ Raphael js ✔ D3 js ✔ Core/Native Javascript or Pure Javascript ✔ Node JS backend technology Excellent hand on CMS like : ✔ WordPress (including Custom Plugin development) ✔ Drupal (including Custom Plugin development) ✔ Prestashop (including Custom Plugin development) ✔ Opencart (including Custom Plugin development) having superb server knowledge and different version control as well as project management tool like : ✔ AWS ✔ Lamda ✔ Amplify ✔ S3 Bucket ✔ EC2 ✔ ElasticBeanstalk ✔ Google cloud Mongo dB ✔ GIT/Bitbucket/Gitlab/SVN ✔ Freedcamp/Asana With the help of custom UI controls like : ✔ jQuery ✔ AJAX ✔ JQuery UI ✔ Snap SVG ✔ J calendar ✔ jQWidgets Start Using AI works and tools ✔ AI Assisted Development ✔ Generative AI for Coding ✔ GitHub Copilot / Cursor AI ✔ Code Automation with AI ✔ Debugging using AI Tools ✔ AI Code Refactoring On the other side very good in REST API, SOAP API, ANY PAYMENT GATEWAY, XML, JSON, CURL I value time - mine as well as yours, so let's go for It.

If your software is slow, unstable, or difficult to scale, the root problem is usually hidden in the architecture or database design. I help companies stabilize, scale, and modernize complex applications built with .NET, React, and SQL Server. I’m a Senior Full Stack Developer with 10+ years of experience building and scaling secure, high-performance applications across industries like Healthcare, Fintech, Logistics, Education, and Enterprise SaaS. I specialize in modern full stack development and legacy system modernization, helping businesses turn complex software challenges into stable, scalable products. Whether you need to launch an MVP, stabilize an existing system, or modernize legacy software, I bring both technical expertise and product thinking to deliver long-term results. What I Can Help You With ✔ Building scalable SaaS platforms and web applications ✔ Fixing and stabilizing buggy or slow systems ✔ Modernizing legacy applications (.NET Framework, WCF, Classic ASP → modern architecture) ✔ Designing and developing secure APIs and microservices ✔ Improving performance, scalability, and maintainability ✔ Integrating third-party services and complex APIs ✔ Supporting teams with architecture decisions and technical leadership Tech Stack Frontend React.js Angular TypeScript JavaScript Tailwind CSS Backend .NET Core C# Node.js Express.js RESTful APIs Databases SQL Server PostgreSQL MongoDB Cloud & DevOps AWS (EC2, S3, RDS, Lambda, API Gateway) Azure (App Services, Cosmos DB, Azure Functions) Docker Azure DevOps GitLab Bitbucket Real-Time Systems SignalR WebSockets Kafka API Integrations REST APIs GraphQL Payment & third-party service integrations Industry Experience 🏥 Healthcare HIPAA-compliant platforms, telehealth systems, secure patient data systems 💳 Fintech Secure payment platforms, financial transaction systems 🚚 Logistics Real-time tracking systems and workflow automation platforms 💼 Enterprise SaaS Scalable multi-tenant SaaS applications and CRM systems 🎓 Education Learning management systems and EdTech platforms Results I've Delivered • Stabilized enterprise systems handling thousands of daily users • Optimized APIs and databases to significantly improve system performance • Modernized legacy applications into modern .NET architecture • Built scalable SaaS platforms supporting growing customer bases Why Clients Work With Me ✔ 10+ years of real-world development experience ✔ Strong product and business mindset ✔ Clean, scalable, and maintainable code practices ✔ Experience working in Agile development teams ✔ Comfortable owning full lifecycle development (frontend → backend → cloud) ✔ Focus on long-term stability and scalability My Approach I don’t just deliver code — I help build reliable software that supports real business growth. Every project focuses on: • Clean architecture • Performance optimization • Security best practices • Scalable infrastructure • Maintainable codebases Let’s Build Something Great If you're looking for a developer who can quickly understand complex systems, solve technical challenges, and contribute to long-term product success, I’d love to help. Let’s connect and discuss how we can build something fast, secure, and scalable.

🕓 10+ Years Experience | ⚙️ Microsoft Tech Expert | 🤖 AI-Powered Workflow | 🌐 Cloud-Ready Solutions Hello! I’m a Full Stack Developer and Technical Lead with over 10 years of hands-on experience delivering scalable, secure, and modern web applications for clients across the globe. I specialize in Microsoft technologies — including .NET Core, C#, ASP.NET, Blazor, Web API, Azure — and front-end frameworks like Angular (2–18), React.js, and Tailwind. What makes my development workflow faster, cleaner, and more cost-effective? I integrate AI-powered tools like ChatGPT, Claude, Bolt.new, and Serena to: 🚀 Generate clean code and speed up development 🧪 Write better tests and documentation 🤖 Automate repetitive tasks 📊 Boost delivery velocity and maintain quality 🔧 Key Technologies Back End: C#, ASP.NET Core, Web API, Blazor, Entity Framework, LINQ Front End: Angular (2–18), AngularJS, React.js, Tailwind, Bootstrap, HTML5, CSS3, Sass Cloud & DevOps: Azure (Functions, App Services, DevOps), AWS, Docker, CI/CD Pipelines Databases: SQL Server, MongoDB, MySQL, PostgreSQL Payment/3rd-Party APIs: PayPal, Stripe, SagePay, Amadeus, LinkedIn, Expedia Tools: Git, Azure DevOps, Jira, Trello, Power BI, Telerik, DevExpress ✅ Why Choose Me? 🔝 Top 1% expertise in .NET & C# development 🤝 Excellent communication & availability 📈 Enterprise-grade quality, startup-level speed 🏗 Experience building SaaS, multi-tenant systems, enterprise apps, and modern APIs ⏳ Fast turnaround with proactive updates 🧠 Strong problem-solving mindset and code ownership Let’s build high-performance, AI-enhanced web applications — smarter, faster, and on budget. 📨 Send me a message — I’m ready to jump into your project and deliver results.

I specialise in building scalable Angular applications with clean architecture, reusable component systems, and performance optimisation at their core. With 4+ years of experience in Angular (v12–v18), TypeScript, and reactive programming, I focus on designing frontend systems that remain maintainable and efficient as products grow. I help businesses develop high-performance single-page applications and enterprise-level frontends that go beyond simple UI implementation. My approach emphasises modular design, structured architecture, and seamless backend integration to deliver reliable and scalable solutions. I help clients: • Build scalable and modular Angular applications • Refactor legacy code into clean, maintainable architecture • Improve frontend performance and optimise rendering • Implement secure authentication flows (JWT, role-based access) • Deliver responsive, production-ready user interfaces 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 • Angular (v12–v18), TypeScript, RxJS • Modular architecture & scalable SPA design • Reactive programming & structured state management • REST API integration & backend communication • Performance optimisation (lazy loading, change detection strategy) • Angular Material, TailwindCSS, Bootstrap, AG Grid • Code refactoring, debugging, UI optimisation. 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲 • Clean and scalable frontend architecture • Strong focus on maintainability and long-term growth • Clear communication and reliable delivery • Ability to quickly understand complex requirements I am committed to delivering structured, high-quality Angular solutions that are built to scale and easy to maintain.