Hire the Best OAuth Developers in Patiala, IN

I am a Senior .NET Developer and Solution Architect with 12+ years of experience designing, developing, and scaling enterprise applications, startup MVPs, and long-term software products. I help businesses transform ideas into reliable, maintainable, and scalable solutions using modern Microsoft technologies and cloud platforms. Whether you need an MVP to validate a startup concept, modernization of a legacy application, or architecture guidance for a growing product, I can contribute both technically and strategically. What I specialize in: ✅ Enterprise Web Applications ✅ Startup MVP Development ✅ SaaS Platforms & Multi-Tenant Systems ✅ Microservices & Distributed Architecture ✅ RESTful APIs & Third-Party Integrations ✅ Legacy Application Modernization ✅ Long-Term Product Development Partnerships ✅ Technical Leadership & Architecture Consulting Core Technologies Backend C#, ASP.NET MVC, ASP.NET Core (.NET 6/7/8) REST APIs, OAuth, JWT Authentication Entity Framework, Dapper, ADO.NET Microservices, Clean Architecture, SOLID Principles Unit & Integration Testing (xUnit, NUnit, Moq) Frontend React TypeScript JavaScript, jQuery HTML5, CSS3, Bootstrap Databases SQL Server PostgreSQL MySQL MongoDB and other NoSQL solutions Cloud & DevOps Microsoft Azure (Azure SQL, App Services, Functions, Storage) AWS GitHub, Azure DevOps, Bitbucket Agile and Scrum methodologies Why Clients Work With Me ✔ Top Rated Plus freelancer with a 100% Job Success Score ✔ 12+ years of professional software development experience ✔ Strong focus on clean, maintainable, and scalable code ✔ Experience working with both startups and enterprise organizations ✔ Clear communication and long-term partnership mindset I believe software development is not just about writing code—it's about understanding business goals and building solutions that deliver measurable value. If you're looking for an experienced .NET professional who can architect systems, lead development efforts, or become a long-term technology partner, I'd be happy to discuss your project. Thank you

⭐ Top Rated Plus on Upwork. 💯 100% Job Success. 🚀 8+ years. ✅ 100+ projects shipped. I help founders ship production-ready web and mobile apps, fast. I'm a Forward Deployed Engineer. I embed with your team, learn your business, and ship the right thing. Not just code to spec. Why clients keep coming back: ✅ Top Rated Plus on Upwork: 100% Job Success Score across 100+ completed projects ✅ Zero-Risk Start: Not happy in the first 2 days? Full refund, no questions asked ✅ Daily Loom Updates: Walk-through videos every day so you always know what's shipped and what's next ✅ Free Consultation: 30 minutes to scope your idea and give you an honest, realistic proposal ✅ Long-Term Partner: Most clients hire me again. I stay invested in your product after launch. What I build: ⏩ MVPs in 3 to 4 weeks ⏩ SaaS platforms (multi-tenant, billing, dashboards) ⏩ Marketplaces (payments, escrow, search, messaging) ⏩ Mobile apps (React Native, iOS + Android) ⏩ AI features (chatbots, RAG, OpenAI/Claude integrations) ⏩ Custom integrations (Stripe, Twilio, REST/GraphQL APIs) ⏩ Internal tools, dashboards, admin panels Tech stack: Frontend: React, Next.js, TypeScript, Tailwind, Vue Mobile: React Native, Expo Backend: Node.js, NestJS, Python (FastAPI), Laravel Databases: PostgreSQL, MongoDB, Redis, Supabase, Firebase Cloud: AWS, GCP, Vercel, Docker AI: OpenAI, Claude, LangChain, Pinecone Integrations: Stripe, Twilio, SendGrid, OAuth, WebRTC Industries: SaaS · Marketplaces · Fintech · Healthcare · Logistics · Travel · ERP/CRM Send me a message with what you're building. I'll reply within a few hours with honest thoughts on fit, scope, and timeline. Click "Invite to Job" or "Hire Now". Let's ship.

Having 8+ years’ experience in the industry to develop robust and secure web application using latest technologies and market trends, and a strong educational background featuring a master degree in Computer Applications. My web developing expertise includes: * Extensive knowledge of Core PHP5, MVC Architecture and OOPs Concepts and design patterns. * Strong database knowledge specifically in MySQL, MySQLi, PDO and PostgreSQL. * Experience with Frameworks like CakePHP, CodeIgniter, Laravel, Yii Framework and Zend Framework. * Expertise in CMS like Wordpress, Drupal, Magento, Joomla and Opencart. * API Development, Webservices Development using (cURL, JSON, SOAP). * Magento and Joomla Extension Development and Wordpress Plugin Development. * Strong commands on JavaScript, HTML5, jQuery and other JavaScript libraries. * Experience in using Bootstrap and underscore.js for responsive design layout. * Expert in Template Engine like Smarty. * Third Party API like Google Map, InfusionSoft API, Facebook, Twitter and oAuth implementations. * Experienced with Git, SVN version control systems. * Working experience on different development platforms like LAMP, WAMP, XAMPP and MAMP. * Working knowledge of implementations of Payment Gateways like Payapl, Google Wallet, Bigcommerce, CCAvenue, Authorize.net * Using Netbeans for Development to make faster development. * All coding standards are followed and to verify standards use of PHPCS and PHPMD. * Experience in handling different web hosting, WHM and cPanels. * Team Management, Project Planning, Project Analysis and Tasks Management. 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 work to meet deadlines. I like working on projects with team that cares about creating beautiful and usable interfaces. It's important to me to build long term relationships with clients, so I'm primarily looking for long term projects. I'm flexible with my working hours and am happy to work closely with any existing freelancers you work with or if you are looking for a good team then I can introduce my team members with you. I hope that I am granted with an opportunity to talk with you in the very near future. I can be available on Skype or Hangout for more detailed discussions.

I have around 6 years of experience analyzing, designing & implementing applications. I have done lot of work using following technologies: ASP.Net MVC, Web Services, REST Services, Web API, oAuth, HTML5, CSS, XML, JavaScript, JQuery, Bootstrap, Entity Framework, MS Sql, Payment gateway integrations. My objective is to provide high quality solutions and provide highest quality of service in every phase of Client Relationship. Thanks

# 🚀 AI Agents | Agentic AI | Enterprise AI | RAG | LangGraph | MCP | LLM Engineering | AI Automation I help startups and enterprises design, build, and deploy production-ready AI systems powered by Agentic AI, Large Language Models (LLMs), and intelligent automation. With **8+ years of experience** in Artificial Intelligence, Machine Learning, Data Engineering, and Full-Stack Development, I specialize in building autonomous AI agents, multi-agent systems, Retrieval-Augmented Generation (RAG) applications, AI copilots, and enterprise automation solutions that streamline operations and deliver measurable business value. ## 💡 Core Expertise ✅ AI Agents & Agentic AI Systems ✅ Multi-Agent Orchestration & Collaboration ✅ LangGraph, LangChain & LlamaIndex ✅ Model Context Protocol (MCP) & AI Tool Calling ✅ OpenAI, Claude, Gemini, Llama, DeepSeek, Mistral & Open-Source LLMs ✅ Retrieval-Augmented Generation (RAG) & Enterprise Knowledge Systems ✅ AI Copilots & Intelligent Assistants ✅ Voice AI Agents (VAPI, Retell AI, Bland AI, ElevenLabs) ✅ Workflow Automation (n8n, Make, Zapier, GoHighLevel) ✅ Vector Databases (Pinecone, Weaviate, Qdrant, ChromaDB, Milvus) ✅ Prompt Engineering, AI Evaluation & Guardrails ✅ AI SaaS Product Development ✅ Python, FastAPI, Django, Node.js & React ✅ Cloud Deployment (AWS, Azure & Google Cloud Platform) ✅ Docker, Kubernetes & CI/CD ## 🤖 AI Solutions I Build • Enterprise AI Assistants & Knowledge Chatbots • AI Customer Support & Helpdesk Agents • AI SDR & Sales Outreach Automation • AI Voice Calling & Appointment Booking Agents • Document Intelligence & OCR Automation • AI Contract Review & Legal Assistants • Research & Market Intelligence Agents • AI Recruiting & HR Automation • AI CRM & Business Process Automation • Financial Analysis & Reporting Assistants • Multi-Agent Business Workflows • Autonomous Task Execution Systems • AI Workflow Orchestration Platforms • Custom AI SaaS Applications ## ⚙️ Technology Stack **Agentic AI & LLMs** Agentic AI, AI Agents, Multi-Agent Systems, LangGraph, LangChain, LlamaIndex, CrewAI, AutoGen, DSPy, Semantic Kernel, MCP (Model Context Protocol), Prompt Engineering, AI Evaluation, Guardrails, RAG, Function Calling, Structured Outputs **Foundation Models** OpenAI GPT, Claude, Gemini, Llama, DeepSeek, Mistral, Qwen, Hugging Face Transformers Keywords:- AI Agents, Agentic AI, Retrieval-Augmented Generation (RAG), LangGraph, Model Context Protocol (MCP), Large Language Models (LLMs), LLM Engineering, AI Automation, Prompt Engineering, Context Engineering, Function Calling, Tool Calling, Multi-Agent Systems, Autonomous Agents, AI Workflows, Workflow Automation, AI Orchestration, Agent Memory, Vector Database, Embedding Models, Semantic Search, Hybrid Search, Dense Retrieval, Sparse Retrieval, Knowledge Graphs, GraphRAG, LangChain, LlamaIndex, CrewAI, AutoGen, Semantic Kernel, OpenAI API, Anthropic Claude, Google Gemini, Mistral AI, DeepSeek, Groq, Ollama, vLLM, TensorRT-LLM, Hugging Face Transformers, Sentence Transformers, FAISS, Pinecone, Weaviate, ChromaDB, Milvus, Qdrant, pgvector, Elasticsearch, BM25, Cross Encoder, Reranking, Context Window, Tokenization, Token Streaming, Structured Output, JSON Mode, Schema Validation, Guardrails AI, Prompt Chaining, Chain of Thought, ReAct, Tree of Thoughts, Self-Consistency, Reflection, Self-Correction, Planning Agents, Task Decomposition, Multi-Step Reasoning, AI Copilots, AI Assistants, Conversational AI, Natural Language Processing (NLP), Natural Language Understanding (NLU), Named Entity Recognition (NER), Intent Recognition, Text Classification, Sentiment Analysis, Document Parsing, OCR, Unstructured Data Processing, Knowledge Retrieval, Document Chunking, Metadata Filtering, Query Expansion, Context Compression, Long-Term Memory, Short-Term Memory, Session Memory, Human-in-the-Loop (HITL), AI Evaluation, LLMOps, MLOps, Prompt Versioning, Model Fine-Tuning, LoRA, QLoRA, PEFT, Quantization, Distillation, Inference Optimization, GPU Inference, Batch Inference, API Integration, REST API, GraphQL API, Webhooks, Server-Sent Events (SSE), FastAPI, Flask, Django, Python, TypeScript, Node.js, Docker, Kubernetes, Redis, RabbitMQ, Apache Kafka, Celery, Airflow, Temporal, n8n, Zapier, OpenTelemetry, LangSmith, Weights & Biases, MLflow, AI Observability, Agent Monitoring, Hallucination Detection, Prompt Injection Prevention, AI Safety, RBAC, OAuth 2.0, JWT Authentication, Secret Management, AWS Bedrock, Azure OpenAI, Google Vertex AI, Amazon SageMaker, Cloud Functions, Serverless AI, Edge AI, Multimodal AI, Vision Language Models (VLMs), Speech-to-Text, Text-to-Speech, Voice AI, Computer Vision, Diffusion Models, Synthetic Data, Knowledge Distillation, Fine-Grained Access Control, AI Governance, Explainable AI (XAI), Reinforcement Learning from Human Feedback (RLHF), Direct Preference Optimization (DPO), Agent Benchmarking, Retrieval Pipelines, Intelligent Automation, Generative AI

💎 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 𝗣𝗟𝗨𝗦 | 💼 8+ 𝗬𝗘𝗔𝗥𝗦 𝗢𝗙 𝗘𝗫𝗣𝗘𝗥𝗜𝗘𝗡𝗖𝗘 | 🏆 $4𝟬𝗞+ 𝗘𝗔𝗥𝗡𝗘𝗗 & 3𝗞+ 𝗪𝗢𝗥𝗞𝗜𝗡𝗚 𝗛𝗢𝗨𝗥𝗦 𝗪𝗜𝗧𝗛 𝟱⭐️ 𝗥𝗘𝗩𝗜𝗘𝗪𝗦 | ⚡ 𝟭𝟬𝟬% 𝗝𝗢𝗕 𝗦𝗨𝗖𝗖𝗘𝗦𝗦 𝗦𝗖𝗢𝗥𝗘 | ✅ 𝗖𝗘𝗥𝗧𝗜𝗙𝗜𝗘𝗗 𝗝𝗔𝗩𝗔𝗦𝗖𝗥𝗜𝗣𝗧 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗘𝗥 | 📈 𝗘𝗡𝗧𝗘𝗥𝗣𝗥𝗜𝗦𝗘-𝗟𝗘𝗩𝗘𝗟 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 🥇 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 | Part of the 𝐓𝐨𝐩 𝟑% 𝐓𝐚𝐥𝐞𝐧𝐭 on Upwork! 🏆 𝟖+ 𝐘𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 𝐢𝐧 𝐟𝐮𝐥𝐥 𝐬𝐭𝐚𝐜𝐤 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 🤝 𝐒𝐮𝐩𝐩𝐨𝐫𝐭 𝐚𝐟𝐭𝐞𝐫 𝐜𝐨𝐦𝐩𝐥𝐞𝐭𝐢𝐨𝐧 𝐨𝐟 𝐭𝐡𝐞 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 🤝 80+ projects delivered with 𝐬𝐮𝐜𝐜𝐞𝐬𝐬 ⚡️ Results-Oriented Full Stack Developer ⚡️ Constant Communication ⚡️ Team Collaboration Ready ⚡️ Flexible Availability ⚡️ Proficient in Multiple Technologies ⚡️ Tailored Solutions for Every Project! ⚡️ Fast Delivery 🔗 𝐑𝐞𝐬𝐮𝐥𝐭𝐬-𝐃𝐫𝐢𝐯𝐞𝐧 𝐀𝐩𝐩𝐫𝐨𝐚𝐜𝐡 I focus on solving real-world business problems with high-performance applications that increase efficiency and user satisfaction. Whether you're looking for a CRM, ERP, or a custom web app, my solutions are crafted to maximize business growth and drive conversions. 𝐌𝐚𝐣𝐨𝐫 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 𝐈𝐧𝐜𝐥𝐮𝐝𝐞: • CRM/ERP Software Development • Custom Web Applications • Go High Level CRM • E-Commerce Web App Solutions • Fitness and Travel Web Apps • AI Chatbot Integration • Comprehensive Hospital/Dental Management Systems • Financial Web Solutions with Real-Time Analytics 🔥 𝗖𝗢𝗥𝗘 𝗦𝗞𝗜𝗟𝗟𝗦 & 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 🔹 Programming Languages: JavaScript, TypeScript, Python 🔹 Frontend Development: React.js, Redux, Next.js, Vue.js, AngularJS, Angular 2-16 🔹 Backend Development: Node.js, Express.js, GraphQL 🔹 Web Development: HTML5, CSS3, jQuery, AJAX, REST APIs 🔹 Python Development: Django, Flask, Web scraping 🔹 Media Processing: OpenCV, TensorFlow.js, FaceAPI.js, OCR 🔹 Databases: MySQL, PostgreSQL, MS SQL Server, MongoDB, Firebase, Supabase 🔹 Cloud & Hosting: AWS, Google Cloud, Microsoft Azure 🔹 AI Tools: OpenAI ✅ E-commerce CMS: • WordPress, Joomla, Drupal • Squarespace, Shopify, WooCommerce • PrestaShop 🤖 AI & Chatbot Development: • ChatGPT / OpenAI API, Gemini, Claude • AI chat widgets, GPT-powered search, lead gen bots • N8N Tool ✅ 𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭: • Cloud: AWS, Azure, GCP • CI/CD: GitLab, Docker, Azure Pipelines, Terraform • Hosting: Heroku, Netlify, DigitalOcean ✅ 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: • Platforms: React Native, Flutter • UI/UX for Mobile: Expertise in building sleek and user-friendly mobile interfaces. 🚀 𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐰𝐢𝐭𝐡 𝐌𝐞? ▪️ 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐬𝐭 𝐢𝐧 𝐂𝐮𝐬𝐭𝐨𝐦 𝐖𝐞𝐛 𝐚𝐧𝐝 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 – delivering tailored solutions to fit your needs. ▪️ 𝐔𝐩-𝐭𝐨-𝐃𝐚𝐭𝐞 𝐨𝐧 𝐋𝐚𝐭𝐞𝐬𝐭 𝐓𝐞𝐜𝐡 𝐓𝐫𝐞𝐧𝐝𝐬 – ensuring modern, effective designs. ▪️ 𝐑𝐞𝐥𝐢𝐚𝐛𝐥𝐞 & 𝐓𝐫𝐚𝐧𝐬𝐩𝐚𝐫𝐞𝐧𝐭 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧– keeping you informed every step of the way. ▪️ 𝟏𝟎𝟎% 𝐂𝐥𝐢𝐞𝐧𝐭 𝐒𝐚𝐭𝐢𝐬𝐟𝐚𝐜𝐭𝐢𝐨𝐧 – committed to delivering top-notch results on time. 💬 𝗟𝗘𝗧’𝗦 𝗖𝗢𝗡𝗡𝗘𝗖𝗧! Feel free to reach out if you're ready to take your project to the next level. I’m excited to collaborate and build something exceptional together! 🔑 KEYWORDS: Custom Web Development, Full Stack Development, Backend Development, Frontend Development, API Integration, REST API, GraphQL, Server-Side Rendering (SSR), Client-Side Rendering (CSR), Database Management, MongoDB, PostgreSQL, MySQL, Firebase, Prisma, Supabase, Node.js, Express.js, NestJS, React.js, Next.js, Svelte, SvelteKit, Vue.js, Angular.js, TypeScript, JavaScript, Tailwind CSS, Bootstrap, CI/CD Pipeline, Gitlab, Docker, AWS, Azure, Google Cloud (GCP), Cloud Deployment, Custom Web Application, Authentication, OAuth, Secure Development, Scalable Architecture, Performance Optimization, Microservices, Socket.io, Custom Solutions, Testing and Debugging, DevOps Practices, API Development, CRM Development, ERP Solutions, E-commerce Web Development, SaaS Platforms, Custom Business Applications, Educational Software, Healthcare Software Solutions, Travel Web Apps, Music Web Apps, Financial Software, AI Integration, Discord Bot, Chat Bot, Custom Dashboards, Data Analytics Tools, Real-time Applications, Custom CMS Development, Enterprise Applications, Custom Software Solutions, B2B Platforms, B2C Platforms, Go High Level CRM, Progressive Web Apps (PWAs).