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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 Paresh Bhatewara. I'm a Senior .NET Developer with 15+ years of experience building secure, scalable, and high-performance software using C#, .NET Core, ASP.NET Core, Blazor, SQL Server, and Microsoft Azure. I help startups, growing businesses, and enterprise companies build custom software, SaaS platforms, enterprise web applications, desktop applications, REST APIs, and cloud solutions that improve business operations and support long-term growth. Whether you need to build a new application, modernize a legacy system, migrate to ASP.NET Core, develop secure APIs, or improve an existing solution, I can help deliver reliable software on time and with clean, maintainable code. What I Can Help You Build ASP.NET Core Web Development ✔ ASP.NET Core Applications ✔ ASP.NET MVC Applications ✔ Blazor Applications ✔ Enterprise Web Applications ✔ SaaS Platforms ✔ CRM & ERP Systems ✔ Custom Business Applications ✔ REST API & Web API Development ✔ Microservices Development Desktop Application Development ✔ WPF Applications ✔ WinForms Applications ✔ Windows Desktop Software ✔ Legacy Windows Application Modernization Mobile Application Development ✔ .NET MAUI ✔ Xamarin ✔ Cross-Platform Android & iOS Applications Database Development ✔ SQL Server ✔ Entity Framework ✔ LINQ ✔ Database Design ✔ Query Optimization ✔ Performance Tuning Azure Cloud & API Integration ✔ Microsoft Azure ✔ Azure App Services ✔ Azure Functions ✔ Azure SQL Database ✔ Azure DevOps ✔ Third-Party API Integration ✔ Payment Gateway Integration ✔ Cloud Migration Core Technologies Backend: C#, .NET Framework, .NET Core, ASP.NET, ASP.NET Core, ASP.NET MVC, Blazor, ASP.NET Web API, REST API, Entity Framework, LINQ, VB.NET Frontend: React.js, JavaScript, HTML5, CSS3, Bootstrap, jQuery Desktop: WPF, WinForms Mobile: .NET MAUI, Xamarin Database: SQL Server, Stored Procedures, Database Design, Performance Optimization Cloud & DevOps: Microsoft Azure, Azure DevOps, Git, GitHub, CI/CD Industries Healthcare • Finance • Banking • Insurance • Manufacturing • Logistics • Retail • E-commerce • Real Estate • Education • Human Resources • CRM & ERP • SaaS • Business Automation How I Work Understand your business requirements and goals. Plan the right technical solution. Develop clean, secure, and scalable software. Test thoroughly for quality and performance. Deploy smoothly with minimal downtime. Provide ongoing maintenance and long-term support. Why Clients Choose Me ✔ 15+ Years of Professional Experience ✔ Expert in ASP.NET Core, Blazor, Azure, and SQL Server ✔ Clean and Maintainable Code ✔ Scalable Software Architecture ✔ Strong Problem-Solving Skills ✔ Clear Communication ✔ On-Time Delivery ✔ Long-Term Technical Support ✔ Business-Focused Solutions If you're looking for a Senior .NET Developer who can build, modernize, or scale your application using ASP.NET Core, Blazor, C#, SQL Server, and Azure, I'd be happy to discuss your project. 📩 Send me a message, and let's build something great together. Core Expertise: C#, .NET Core, ASP.NET Core, ASP.NET MVC, ASP.NET Web API, Blazor, SQL Server, Entity Framework, LINQ, Microsoft Azure, Azure DevOps, REST API, API Integration, Microservices, WPF, WinForms, .NET MAUI, Xamarin, React.js, JavaScript, HTML5, CSS3, SaaS Development, Enterprise Applications, Legacy Application Modernization, Cloud Development, Custom Software Development, Clean Architecture, Scalable Applications.

Senior .NET & Azure Developer with 18+ years of experience building scalable web applications, APIs, cloud solutions, and AI-powered development solutions. I help businesses build scalable ASP.NET Core APIs, Azure cloud solutions, and modern full-stack web applications using Angular, React, and Next.js. I help businesses design, develop, modernize, and maintain enterprise applications using ASP.NET Core, .NET Web APIs, Azure, Angular, and React, while leveraging AI-assisted development, automation, and intelligent workflows to accelerate delivery, improve code quality, and optimize business processes. ✔ Full Stack Development (.NET + React / Angular) ✔ ASP.NET Core / .NET Web APIs ✔ ASP.NET Web Forms, .NET Framework ✔ Azure Certified ✔ 60+ projects delivered ✔ 9000+ hours worked ✔ Trusted by international enterprise clients (FDM, Danx, Atea) ✔ AI Integration: Leveraging Claude/Copilot to deliver production-ready code 30% faster with high test coverage. ⭐⭐⭐⭐⭐ Recent Client Feedback ✔ “Yasir did a great job jumping in and getting started right away. It was easy to talk with him about complex concepts. He reviewed the existing coding patterns, implemented new work following those patterns, and was open to feedback and suggestions during code reviews.” ✔ “Yasir joined us when we needed a developer immediately, he quickly understands the requirements and did quality work. He is a very dedicated and detail oriented developer. We recommend Yasir for other projects.” ✔ “Yasir is very skilled in software development and architecture, a good communicator, and detail-oriented. It's been a pleasure to work with Yasir, and I highly recommend him” My experience includes both new product development and enhancing existing enterprise systems, including performance optimization, production issue resolution, cloud migration, legacy system upgrades, and feature enhancements. 💡 How I can help you ✔ Build scalable ASP.NET Core Web APIs ✔ Develop secure Azure-based cloud solutions ✔ Build full-stack web applications using Angular, React, and Next.js ✔ Improve application performance and maintainability ✔ Upgrade legacy .NET applications to modern architecture ✔ Integrate third-party APIs and external systems ✔ Implement AI-assisted workflows and automation solutions ✔ Debug and fix critical production issues ☁️ Microsoft Azure Certifications ✔ Microsoft Certified: Azure Fundamentals ✔ Microsoft Certified: Azure Developer Associate ✔ Microsoft Certified: Azure Cosmos DB Developer Specialty 🛠 Core Technologies ✔ ASP.NET Core / .NET Web APIs ✔ ASP.NET Web Forms, .NET Framework ✔ C# ✔ Azure (Functions, App Services, Storage, Cosmos DB) ✔ Azure DevOps / CI-CD ✔ Angular / React / Next.js ✔ SQL Server / NoSQL ✔ REST APIs ✔ Git / Agile Development ✔ AI-assisted development workflows I’m comfortable working independently or collaborating with distributed teams to deliver clean, scalable, and production-ready solutions. If you need help building, improving, or maintaining your .NET / Azure application, feel free to invite me to your project.

I architect high-performance enterprise solutions that bridge the gap between robust software engineering and advanced intelligence, recently demonstrated by reducing deployment times by 40% through automated CI/CD pipelines. As a strategic partner, I do not simply write code; I deliver Data Analysis and scalable software ecosystems that drive ROI. My approach combines the stability of C# .NET and Microsoft SQL Server with the predictive power of Python Machine Learning and Artificial Intelligence, ensuring your infrastructure is secure, scalable, and primed for data-driven growth. • Scaled cloud infrastructure on Microsoft Azure and AWS to handle 1M+ requests/day using Kubernetes. • Engineered a high-frequency trading module using C++ that improved data processing speed by 30%. • Designed interactive Dashboard reporting using Microsoft Power BI and Looker Studio to visualize complex datasets. • Developed a cross-platform Smartphone application integrated with a custom AI Chatbot for 24/7 customer support. • Delivered over $100k in value on Upwork with a 100% Job Success score across 2,500+ hours. • Architected a Natural Language Processing (NLP) and AI Agent Development workflow to automate Data Extraction from unstructured text. • Built a Deep Learning model for predictive Data Science analytics, resulting in a 15% increase in user retention. • Implemented a robust ETL Pipeline to migrate legacy data from Microsoft Excel to secure SQL databases. My technical toolkit is comprehensive, spanning Full Stack Development with ASP .NET Core, Angular, and React, to specialized Data Engineering. I possess expert-level proficiency in SQL, Data Scraping, and Data Annotation workflows. Whether you need a Web Application, API Integration, or a complex AI Development project involving Deep Learning, I ensure seamless execution. I am equally comfortable managing Front-End Development with HTML5, jQuery, and TypeScript as I am handling Back-End Development and Data Visualization. Let's schedule a consultation to discuss how we can elevate your technical infrastructure and Data Analytics strategy.

🚀 DevOps Engineer | ☁️ AWS Solutions Architect & Developer • 🏗️ Terraform • 🔄 CI/CD • 🐍 Python I’m a DevOps Engineer who enjoys building reliable and scalable systems in the cloud, mainly using ☁️ AWS, 🏗️ Terraform, 🔄 GitHub Actions, and 🐍 Python. Over the past projects I’ve worked on — including 150+ hours on Upwork — I’ve helped clients automate their infrastructure, simplify deployments, and make their systems easier to manage. My goal is always to deliver solutions that are clean, practical, and built to last — not just something that “works once.” ⚡ 🛠️ What I work with: 🏗️ Infrastructure as Code using Terraform ☁️ AWS services (Lambda, S3, EC2, Aurora, DynamoDB, API Gateway, Step Functions,etc) 🔄 CI/CD pipelines with GitHub Actions 🐍 Automation & scripting with Python I also come from a backend background (.NET / C#), which helps me understand the full picture — from application code 💻 to infrastructure 🌐 — and build solutions that actually fit real development workflows. 🤝 What you can expect: 💬 Clear communication & regular updates 🧼 Clean, maintainable infrastructure 📈 Scalable and cost-aware solutions If you need help setting up your cloud infrastructure, automating your workflows, or improving your DevOps processes — feel free to reach out. I’d be happy to collaborate! 🚀

🚀 𝗔𝗜 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁 | 𝟭𝟲 𝗬𝗲𝗮𝗿𝘀 | $𝟭.𝟰𝗠+ 𝗘𝗮𝗿𝗻𝗲𝗱 | 𝗛𝗮𝗻𝗱𝘀-𝗢𝗻 𝗘𝘅𝗽𝗲𝗿𝘁 There are engineers who chase the technology, and a rare few who have outlasted every wave of it. After 16 years, 40,000 hours, and $1.4M+ delivered, I no longer count projects. I count the businesses that cannot run without what I built. AI did not make me an expert. It arrived to find one already here. The line between intelligence that impresses and intelligence you can trust is everything, and trust is what I build. AI Solutions Architect specializing in LLM, RAG, and AI agent systems, wired into the enterprise stacks your business already runs on. 🏅 Top Rated Plus on Upwork | 16 Years Experience | 40,000+ Hours 🏅 AI Solutions Architect | LLM Applications | Generative AI | Agentic Workflows 🏅 Production AI for startups, funded companies, and enterprise teams 🏅 Domains: Healthcare (HIPAA, HL7, EHR/EMR), Construction Tech, EdTech, SaaS 🏅 Expert in Python, OpenAI, Claude, LangChain, LangGraph, AWS, Azure, .NET, SQL Most freelancers can build an AI demo. Few can put that AI into a real production system without breaking it. That is the gap I fill: I take AI from idea to deployment, wired into the .NET and enterprise systems your business already runs on. 🔹 𝗟𝗟𝗠 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 & 𝗚𝗲𝗻𝗲𝗿𝗮𝘁𝗶𝘃𝗲 𝗔𝗜 ✔ AI copilots and assistants ✔ Document intelligence and summarization engines ✔ Enterprise search and Q&A systems ✔ RAG knowledge retrieval platforms ✔ Workflow automation platforms 🔹 𝗔𝗜 𝗔𝗴𝗲𝗻𝘁𝘀 & 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 ✔ Multi-agent systems (LangChain, LangGraph, CrewAI, AutoGen) ✔ AI automation with OpenAI, Claude, n8n, Make, Zapier ✔ Voice AI agents for calls and support (Vapi, Retell AI, Twilio, Deepgram) ✔ Document processing pipelines ✔ CRM/ERP integration (Salesforce, HubSpot, Dynamics) 🔹 𝗥𝗔𝗚 & 𝗟𝗟𝗠 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 ✔ Multi-source RAG with vector databases (Pinecone, Weaviate, Qdrant) ✔ LLM fine-tuning (PEFT, LoRA, QLoRA) and prompt engineering ✔ Production AI APIs with auth, logging, and streaming (FastAPI) ✔ Open and closed models: GPT, Claude, Gemini, Llama, Mistral 🔹 𝗘𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 𝗙𝗼𝘂𝗻𝗱𝗮𝘁𝗶𝗼𝗻 My 16-year foundation is what makes the AI hold up in production: ✔ Backend: .NET / ASP.NET Core, C#, Python, Node.js, NestJS ✔ Frontend: React, Angular, Next.js, TypeScript ✔ Cloud & DevOps: Azure, AWS, AWS Bedrock, Docker, Kubernetes, CI/CD ✔ Data: SQL Server, PostgreSQL, MongoDB, Redis ✔ Security & compliance: SOC 2, HIPAA, GDPR, PII/PHI/PCI redaction 💼 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝗱 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 ✔ 𝗖𝗼𝗻𝘃𝗼𝗦𝗲𝗻𝘀𝗲 𝗔𝗜: Enterprise Conversation Intelligence Platform An AI platform that analyzes 100% of business calls, where manual review catches under 5%. It delivers 99%+ transcription accuracy across 50+ languages, real-time sentiment analysis, automated compliance monitoring with PII/PHI/PCI detection and redaction, BANT lead scoring, agent performance scoring, and a white-label chat assistant that embeds in one line of code. Stack: OpenAI, LLMs, Speech-to-Text, NLP, RAG, Vector Databases, Agentic Workflows, Python, .NET Core, Azure AI Services, Built SOC 2 Type II, HIPAA, and GDPR compliant. 🏆 𝗢𝘁𝗵𝗲𝗿 𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁𝘀 🏆 𝗥𝗘𝗜𝗗 𝗛𝗲𝗮𝗹𝘁𝗵: Built an AI-driven healthcare ecosystem with intelligent document processing, workflow automation, healthcare knowledge retrieval, patient engagement automation, and secure AI-assisted decision support, powered by LLMs and cloud-native architecture, for a regional health system serving seven counties and 80+ locations across Indiana and Ohio. 🏆 𝗖𝗮𝗹𝗶𝗺𝗮𝘁𝗶𝗰 𝗟𝗠𝗦: Engineered a white-label, multi-tenant education platform with AI-powered content discovery, semantic search, recommendation engines, analytics, and workflow automation. The platform serves 500+ learning centers across multiple countries, has processed $50M+ in tuition, and handles 100K+ monthly enrollments. 🏆 𝗣𝗿𝗼𝗷𝘂𝗹: Architected intelligent workflow automation, document intelligence, predictive project tracking, AI-assisted estimating, and operational analytics into a construction management SaaS trusted by 5,000+ contractors, with 300,000+ projects managed on the platform across North America. 🔥 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗛𝗶𝗿𝗲 𝗠𝗲 ✔ 16 years of production delivery, not just AI demos ✔ AI tied to business outcomes that save time and convert users ✔ Full pipeline: architecture, fine-tuning, RAG, deployment, MLOps ✔ Clear communication and long-term ownership, from architecture to support 📬 𝗟𝗲𝘁'𝘀 𝗧𝗮𝗹𝗸 The best projects start with a clear problem, not a long spec. Tell me what you are building, where it is stuck, and what success looks like. I will come back with a straight answer and a real plan. Trust is what I build. Let's start. Syed