I build scalable backend systems using Java & Spring Boot that handle real-world traffic without breaking.I also support Angular frontend development to deliver complete end-to-end web applications. With 6+ years of experience, I specialize in developing robust APIs, microservices architectures, and cloud-based systems that are reliable, secure, and built for production. If you're facing issues like slow APIs, poor scalability, or need a backend built from scratch. I can help you design and implement a solution that actually works under load. What I can help you with: -Build REST APIs using Spring Boot & Spring Cloud -Design and develop microservices architecture -Backend performance optimization & scalability improvements -Database design (PostgreSQL, MySQL, MongoDB, Redis) -Secure applications using Spring Security & JWT -AWS deployment (SQS, SNS, ECS, Kafka) -Docker & CI/CD pipeline setup -Angular frontend support for full-stack delivery Experience Highlights: -Built and deployed scalable backend systems for finance, telecom, and SaaS applications -Developed microservices architectures handling production-level traffic -Designed REST APIs with strong focus on performance and maintainability -Integrated complex systems with third-party APIs and cloud services Tech stack: Backend: Java, Spring Boot, Spring Cloud, Hibernate, JPA Architecture: Microservices, REST APIs, Distributed Systems Database: PostgreSQL, MySQL, MongoDB, Redis Cloud & DevOps: AWS, Docker, CI/CD Frontend (Support): Angular, JavaScript, TypeScript I focus on writing clean, maintainable code and delivering solutions that work in real-world production environments. If you need a backend that can grow with your business, let’s connect.

I am an Experienced Full Stack AI Developer. We are one of the DjangoCon US sponsors and official Django CMS technology partners. I have 11+ years of experience with Python, Django, and Django Rest Framework, and I have 8+ years of experience with Angular. I have worked with Relational and non-relational databases like PostgreSQL, MongoDB, and Elastic Search. Regarding cloud, I have experience with Google Cloud and AWS resources. I am an expert software architect for auto-scaling solutions. I also have experience in expanding and maintaining software systems working in production. I am a positive person who always comes up with fresh and simple solutions for complex problems. I always think from the user's point of view while developing and providing a smooth and standard experience to users along with coding standards as per specific platforms. Let's add value together in your project, it is my hobby to own the ownership of work, I blindly do not follow instructions at my job, I validate instructions and if there is a better way of completing work keeping end users in mind, I suggest better ways.

12+ years of experience as a .Net Developer, .NET Core, .NET MAUI, Python, Angular, AWS & Azure. I build scalable platforms, integrate GPT-4/OpenAI, and deliver cloud-based solutions with clean, reliable code. Hello! I'm Keyur Narkhi, a highly skilled and experienced full-stack developer specializing in .NET Development, Angular, Python, AWS glue, AWS and Azure technologies. With a passion for crafting efficient and scalable solutions, I help clients bring their ideas to life and deliver exceptional results. My technical expertise lies in developing robust and user-friendly web applications using the Microsoft .NET framework, python and Angular framework. I have extensive experience in creating responsive and intuitive front-end interfaces that provide a seamless user experience. Additionally, I excel in designing and implementing secure and scalable back-end architectures. I am well-versed in project management methodologies and can help you effectively plan, execute, and deliver your projects. With excellent communication skills, I ensure that I understand your requirements thoroughly and maintain clear and open lines of communication throughout the project lifecycle. If you're looking for a reliable, results-oriented developer with strong project management skills, I'm here to help. Let's discuss your requirements and create innovative solutions together. Sounds knowledge of Open API/Chatgpt API integration. Get in touch, and let's get started!

I am having experience of 7+ years in the development of .Net large-scale applications In .NET Core. I am also an expert in Blazor & MAUI. Already worked with .NET 8 and 9 and have good understanding in .NET 10. I have worked with Fulltime NET Developer for both MVC and NET Core. Here are some of my skills and qualities: Posse’s strong knowledge of Technologies like .NET CORE, C#, ReactJS, NodeJS, Blazor, ADO.Net, MVC, Linq to SQL, Entity Data Model, .NET 8, Python, flask and Django Databases: MSSQL, SQL Server Azure: Azure AD, Azure DevOps, Azure Table, IaaS, PaaS, Containers, Storage, Azure Monitoring, Security, Azure SQL, AppService, Logic Apps, Functions, Azure API and other Serverless services Management: Azure Service bus, Azure Event Hub, Azure Batch, Azure App Services, Docker, Kubernetes Messaging Broker: RabbitMQ Caching: Redis Containerization: Azure Functions. Authentication: OAuth, Microsoft Authentication Front-end tools: HTML, Jquery, JavaScript, Bootstrap, XML,chronologies, and AJAX methodologies. Monitoring: Application insights. Project management tools: Jira, Basecamp, Trello, Asana Scripting Languages: JavaScript Hosting: AWS Azure Other Tools: GIT, TFS, Bitbucket, Devops Primary Skills (Core Stack): - Full Stack Developer - .NET Developer - ASP.NET Core Developer - C# Backend Developer - React.js Developer - Angular Developer - Blazor Developer - MAUI App Developer - .NET MAUI Developer - Web API Developer - Entity Framework Core - Razor Pages - SignalR Developer Frontend Technologies: - JavaScript Developer - TypeScript Developer - HTML5 / CSS3 / SCSS - Responsive Web Design - Tailwind CSS - Bootstrap - React Hooks - Angular Material - RxJS - Material UI (MUI) Backend / Server-Side - ASP.NET Core Web API - RESTful API Development - Microservices Architecture - Clean Architecture - Dependency Injection - Middleware in .NET - LINQ / EF Core - SQL Server / PostgreSQL / MySQL - IdentityServer / JWT Authentication Version Control & Tools: - Git / GitHub / GitLab / Bitbucket - Azure DevOps Pipelines - Jira / Trello / ClickUp - Visual Studio 2022 - Postman / Swagger - Figma to React/Angular Testing & Quality: - Unit Testing in .NET (xUnit, MSTest) - Jest for React - Cypress / Selenium - Playwright - Code Review & Refactoring Cloud & DevOps: - Azure Developer - AWS Developer - Azure App Services - Azure Functions - AWS Lambda - CI/CD (GitHub Actions, Azure DevOps) - Docker - Kubernetes - Softr - Cloudflare I am also Responsible for implementing security using OAuth within REST Api (WebAPI 2).

I’m a Senior Full-Stack Developer (Angular, React, Next.js, Node.js) with 6+ years of experience building scalable SaaS platforms, multi-tenant systems, and business applications used by hundreds of companies. I build clean, maintainable, scalable applications with a strong foundation in architecture and best practices.

AI Engineer specializing in production-ready AI Agents, advanced RAG systems, and enterprise LLM integrations. Over 17,000 hours tracked delivering scalable, hallucination-free AI architectures for business platforms. Companies often discover that AI prototypes work well in demos but fail when integrated into real production workflows. I close that gap by building secure, production-grade systems designed to automate legacy processes and leverage corporate data assets smoothly without disrupting your existing infrastructure. Where I Help ============ ♦ Designing Autonomous AI Assistants & Copilots: Securely connected to internal documents, enterprise databases, and operational tools for grounded, reliable responses. ♦ Multi-Agent Workflow Systems: Building resilient AI agent squads capable of executing complex business logic via APIs using frameworks like LangGraph and CrewAI. ♦ Advanced Retrieval-Augmented Generation (RAG): Combining enterprise data with LLMs using robust vector databases for context-aware, hyper-accurate outputs. ♦ Generative AI SaaS Integration: Embedding generative capabilities seamlessly into existing SaaS platforms and enterprise applications while maintaining architectural stability. ♦ Multimodal AI Solutions: Developing applications where text, images, and audio inputs operate smoothly within unified production environments. ♦ Data Ingestion & Knowledge Pipelines: Structuring scattered information into high-performance, searchable intelligence layers. How I Work ========== ⚙️ Production-First Architecture: Prioritizing scalability, strict security, and cost-efficiency instead of short-term experimentation. ⚙️ Guardrails, Evaluation & Monitoring: Implementing evaluation frameworks to ensure LLM behavior remains deterministic and predictable after deployment. ⚙️ Advanced Prompt & Context Engineering: Designing context windows and prompt techniques to improve response reliability and reduce latency. ⚙️ Model Selection & Fine-Tuning Strategies: Balancing open-source (Llama 3) and proprietary models (GPT-4o, Claude 3.5) to optimize performance and operational cost. ⚙️ Cross-Functional Collaboration: Aligning closely with product and engineering teams to ensure deployments remain highly extensible. Solutions Delivered ================ 🧩 Enterprise Knowledge Assistants for real-time conversational access to internal data. 🧩 Workflow Automation Agents executing complex, multi-step actions across integrated business apps. 🧩 Custom AI Copilots seamlessly embedded directly into SaaS platforms. 🧩 Intelligent Document Processing (IDP) and contextual search systems. 🧩 AI Integration Layers connecting LLM capabilities smoothly with legacy software. Tech Expertise ============= 🚀 Languages & Frameworks: Python (FastAPI), Node.js, LangChain, LangGraph, CrewAI, LlamaIndex. 🧠 AI & LLM Ecosystem: OpenAI APIs (GPT-4o), Anthropic Claude, Open-Source LLMs (Llama 3). 🗄️ Vector Databases & Infrastructure: Pinecone, ChromaDB, Weaviate, PostgreSQL (pgvector). ☁️ Cloud & DevOps: Docker, AWS, Google Cloud Platform (GCP) cloud-native deployments. 📊 MLOps & Observability: Weights & Biases, Arize Phoenix, or custom telemetry tooling for tracking model drift and latency. Working Style ============= 🤝 Structured planning before development reduces ambiguity. 🤝 Incremental delivery enables early validation and predictable progress. 🤝 Clear, proactive communication across technical and business stakeholders. 🤝 Systems designed for long-term maintainability and easy handover to internal teams. AI delivers lasting enterprise value when integrated naturally into workflows and supported by robust engineering foundations. Let's build a solution tailored to your operational goals.

**𝐖𝐞𝐥𝐜𝐨𝐦𝐞 𝐭𝐨 𝐦𝐲 𝐩𝐫𝐨𝐟𝐢𝐥𝐞** 🥇𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐩𝐫𝐨𝐟𝐢𝐥𝐞 💯𝟗𝟗% 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 𝐬𝐜𝐨𝐫𝐞 💲 $𝟏𝟎𝟎𝐊+ 𝐄𝐚𝐫𝐧𝐞𝐝 ✅𝟏𝗠+ 𝗔𝗽𝗽 𝗗𝗼𝘄𝗻𝗹𝗼𝗮𝗱𝘀 🚀 ✅𝗧𝗼𝗽 𝟭% 𝗨𝗽𝘄𝗼𝗿𝗸 𝗙𝗿𝗲𝗲𝗹𝗮𝗻𝗰𝗲𝗿 ✅𝟒𝟎+ 𝐂𝐨𝐮𝐧𝐭𝐫𝐢𝐞𝐬 𝐒𝐞𝐫𝐯𝐞𝐝 I help startups, founders, and enterprises build world-class Mobile apps and Websites that drive millions of downloads, secure investor funding, and scale globally. If you are searching for an expert mobile app or website developer who can take your idea from concept to launch, you are in the right place. 𝐖𝐇𝐘 𝐂𝐋𝐈𝐄𝐍𝐓 𝐓𝐑𝐔𝐒𝐓 𝐌𝐄- 👉TOP RATED PROFILE 👉7+ YEARS OF REAL WORLD EXPERIENCE 👉MOBILE DOWNLOADS 1M+ 👉WORKED ON 100+ MOBILE APPLICATIONS. 👉CAN WORK INDEPENDENTLY AND WITH GLOBAL TEAM AS WELL. 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗹𝗼𝘃𝗲 𝐌𝐲 𝘄𝗼𝗿𝗸 ⭐"Hetal is very professional and hard worker. Can get the job done to a high quality." ⭐"Hetal was great to work with, communicated quickly, and was very helpful on the project" ⭐“Hetal executed the requested work quickly and proficiently" **𝐌𝐘 𝐒𝐊𝐈𝐋𝐋𝐒** 📱 Mobile App Development React Native (Expo & Bare Workflow) Flutter Native Android (Kotlin) Native iOS (Swift) Ionic / Capacitor AR/Camera Integrations (Barcode/QR scanning, AR features) 🖥️𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 React.js / Next.js / Angular HTML5, CSS3, Tailwind CSS JavaScript, TypeScript Responsive UI/UX Development ⚙️𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 Node.js (Express.js, Nest.js) ASP.NET Core Web API FastAPI (Python) Firebase REST APIs & GraphQL Serverless Architecture 🧠 𝐀𝐈 & 𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧 OpenAI API / ChatGPT Integrations LangChain AI Chatbots & Assistants OCR, Image Recognition AI-driven Analytics & Automation 🗄️ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 & 𝐒𝐭𝐨𝐫𝐚𝐠𝐞 MongoDB PostgreSQL / MySQL Firebase Firestore & RTDB Supabase Redis Local storage / SQLite ☁️ 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬 Google Cloud Platform (GCP) AWS (Lambda, S3, EC2) Docker & Containerization CI/CD (GitHub Actions, Vercel, Netlify) 🧪 𝐓𝐞𝐬𝐭𝐢𝐧𝐠 & 𝐐𝐮𝐚𝐥𝐢𝐭𝐲 Jest, Mocha, Detox Unit Testing & Integration Testing Performance Optimization 🛠️ Tools & Workflow Git, GitHub, GitLab Postman / Swagger / OpenAPI Jira, Trello, Slack Figma Integration for Pixel-Perfect UI 𝐀𝐩𝐩𝐬 𝐄-𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩𝐬 | 𝐄𝐝𝐓𝐞𝐜𝐡 𝐀𝐩𝐩𝐬| 𝐃𝐚𝐭𝐢𝐧𝐠 𝐀𝐩𝐩𝐬, 𝐅𝐨𝐨𝐝 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐲 𝐀𝐩𝐩𝐬 | 𝐆𝐫𝐨𝐜𝐞𝐫𝐲 𝐀𝐩𝐩𝐬, 𝐓𝐚𝐱𝐢 𝐀𝐩𝐩𝐬, | 𝐑𝐢𝐝𝐞 𝐒𝐡𝐚𝐫𝐢𝐧𝐠 𝐀𝐩𝐩𝐬 | 𝐇𝐞𝐚𝐥𝐭𝐡 & 𝐅𝐢𝐭𝐧𝐞𝐬𝐬 𝐀𝐩𝐩𝐬 | 𝐖𝐞𝐥𝐥𝐧𝐞𝐬𝐬 & 𝐌𝐞𝐝𝐢𝐭𝐚𝐭𝐢𝐨𝐧 𝐀𝐩𝐩𝐬, 𝐅𝐢𝐧𝐓𝐞𝐜𝐡 𝐀𝐩𝐩𝐬| 𝐒𝐨𝐜𝐢𝐚𝐥 𝐌𝐞𝐝𝐢𝐚 𝐀𝐩𝐩𝐬 | 𝐂𝐡𝐚𝐭 𝐀𝐩𝐩𝐬 | 𝐌𝐞𝐬𝐬𝐚𝐠𝐢𝐧𝐠 𝐀𝐩𝐩𝐬 | 𝐄-𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐀𝐩𝐩𝐬, 𝐒𝐡𝐨𝐩𝐩𝐢𝐧𝐠 𝐀𝐩𝐩𝐬 | 𝐌𝐚𝐫𝐤𝐞𝐭𝐩𝐥𝐚𝐜𝐞 𝐀𝐩𝐩𝐬 | 𝐑𝐞𝐚𝐥 𝐄𝐬𝐭𝐚𝐭𝐞 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩𝐬 | 𝐓𝐫𝐚𝐯𝐞𝐥 𝐀𝐩𝐩𝐬| 𝐁𝐨𝐨𝐤𝐢𝐧𝐠 𝐀𝐩𝐩𝐬 | 𝐇𝐨𝐭𝐞𝐥 𝐁𝐨𝐨𝐤𝐢𝐧𝐠 𝐀𝐩𝐩𝐬 | 𝐎𝐧-𝐃𝐞𝐦𝐚𝐧𝐝 𝐒𝐞𝐫𝐯𝐢𝐜𝐞 𝐀𝐩𝐩𝐬 | 𝐓𝐞𝐥𝐞𝐦𝐞𝐝𝐢𝐜𝐢𝐧𝐞 𝐀𝐩𝐩𝐬 | 𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞 𝐀𝐩𝐩𝐬 | 𝐀𝐈 & 𝐂𝐡𝐚𝐭𝐛𝐨𝐭 𝐀𝐩𝐩𝐬 | 𝐋𝐢𝐯𝐞 𝐒𝐭𝐫𝐞𝐚𝐦𝐢𝐧𝐠 𝐀𝐩𝐩𝐬 𝐚𝐧𝐝 𝐦𝐨𝐫𝐞. 🔥 𝐂𝐨𝐫𝐞 𝐒𝐤𝐢𝐥𝐥𝐬 & 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 — 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩𝐬, 𝐖𝐞𝐛, 𝐚𝐧𝐝 𝐀𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 🤖 𝐀𝐈 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 AI Development AI App Development AI-Powered Mobile Apps Custom AI Solutions AI Agents Development AI Integrations AI Chatbot Development 📱 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 Mobile App Development iOS App Development Android App Development Flutter App Development React Native App Development Cross-Platform App Development Hybrid App Development Custom Mobile App Development MVP Development 🧑‍💻 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 & 𝐖𝐞𝐛 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 Full Stack Development Full Stack Web Development Web Development / Web Developer MERN Stack Developer Node.js Development SaaS Product Development Custom Software Development E-commerce Development 𝗥𝗲𝗮𝗱𝘆 𝘁𝗼 𝗕𝘂𝗶𝗹𝗱? Click on the 𝗠𝗲𝘀𝘀𝗮𝗴𝗲 or 𝗜𝗻𝘃𝗶𝘁𝗲 button and let’s start.

I help businesses build and ship web apps, and I wire AI into them so they actually save time instead of just looking good in a demo. 7+ years building with TypeScript across React, Angular, Node, and Firebase. A big part of my work now is AI integration: connecting GPT, Claude, and Gemini into real workflows, building agents that handle repetitive tasks, and automating the slow parts of your operations so your team can spend time elsewhere. What I can help with: - Full builds, front end to back end, including DevOps and deployment - AI integration and custom agents (OpenAI, Claude, Gemini, AWS Bedrock) - Workflow automation and CRM setup (Zoho, HubSpot, Salesforce, GoHighLevel) - Payment and data integrations (Stripe, Plaid, PayPal, Google Maps) - Maintaining, fixing, and extending apps you already have I keep communication clear and steady throughout. You'll always know where the project stands, and you won't have to chase me for updates. My stack: Front end: React, Next, Angular, NgRx, Redux, Vue Back end: Node, Express, Nest, GraphQL, REST, Lambda, Cloud Functions, Firebase Databases: MySQL, MSSQL, Postgres, MongoDB, Firestore, Supabase Cloud and DevOps: AWS (EC2, S3, Beanstalk, Route 53, Bedrock), GCP, Azure, Docker, CI/CD Testing: Jest, Jasmine Tools: GitHub, GitLab, Bitbucket, Jira, Trello, Asana, ClickUp, Monday Send me a message and tell me a bit about your project. Happy to answer any questions before we start.

As a versatile digital professional, I offer a unique blend of high-level software engineering expertise and hands-on digital operations support. My core strength is in building high-performance Angular web applications and optimizing them for seamless user experiences. However, I bring this same detail-oriented, data-driven approach to every project; whether it's managing a company's social media presence, serving as a Subject Matter Expert (SME) on web technology, or handling crucial administrative tasks as a Virtual Assistant. I provide not just execution, but strategic insight to help your business thrive online. Key Skills & Expertise: 1. Web Development & Engineering (Long Term & Short Term) High-Performance Angular Applications: I build scalable, user-centric web apps, leveraging my expertise in Angular and NGRX for robust state management. 2. Web Performance Optimization: I specialize in making websites load faster, which directly impacts user experience and SEO rankings. 3. Responsive Design & API Integration: I ensure your application functions flawlessly on any device and integrates seamlessly with back-end services via RESTful APIs. 4. Architectural Excellence: My deep understanding of Clean Architecture and Dependency Injection results in maintainable, future-proof codebases. 5. Digital Operations & Management a. Virtual Assistant Services: I offer reliable and detail-oriented support for a wide range of administrative tasks, bringing an engineer's efficiency and automation mindset to everything I do. b. Social Media Management: I handle content scheduling, community engagement, and performance tracking, all with a focus on data-driven strategy and brand consistency. 6. Subject Matter Expertise (SME): I serve as a knowledgeable advisor on web technology, digital strategy, and performance best practices, helping you make informed decisions for your business.

High-performance Next.js & React applications for SaaS teams that need to ship fast and scale confidently. I've spent 7+ years building production web applications for startups and enterprises across e-commerce, fintech, healthcare, blockchain, and AI. My clients come back because I deliver clean, maintainable code with pixel-perfect UIs — on time and within budget. What I build: SaaS dashboards with real-time data visualization (D3.js, Recharts) Full-stack Next.js applications with App Router, Server Components & TypeScript CMS-powered platforms using PayloadCMS, Supabase & Vercel Responsive, SEO-optimized frontends from Figma designs E-commerce platforms and blockchain dashboards My stack: Next.js 15/16 · React 19 · TypeScript · Tailwind CSS · Node.js · MongoDB · Supabase · PayloadCMS · GraphQL · REST APIs · D3.js · GSAP · Vercel Why clients choose me: 100% Job Success Score with 84 completed contracts Top Rated on Upwork with 2,780+ hours delivered Sub-2s load times on production applications 80%+ client renewal rate across 20+ SaaS teams BS in Computer Science from University of Westminster I respond within hours and communicate clearly throughout every project. Let's discuss your project — book a consultation or send me a message.