Top-rated Full-Stack Developer with 12+ years delivering secure, scalable AI solutions that produce measurable business outcomes for global clients. What clients achieved with my work Reduced login friction and support costs by up to 80% after SSO rollouts (SAML, OAuth2, OIDC), improving user adoption and lowering helpdesk tickets. Cut user onboarding time from days to minutes via centralized identity flows and automated provisioning. Increased team productivity up to 40% with custom Office and Google Workspace add-ins that automate repetitive work and integrate third-party systems. Strengthened security and compliance (SOC2, ISO, GDPR) by implementing hardened IAM, PKI, and cryptographic document signing. Scaled multi-tenant SaaS to thousands of organizations with sub-second auth latency and 99.9% uptime. Accelerated go-to-market and recurring revenue growth by delivering modular auth and API platforms. Selected results & experience 100+ SSO integrations across Okta, Auth0, Azure AD/Entra ID, Google Workspace, AWS Cognito, Ping Identity, ADFS, Salesforce. Architected a multi-tenant Identity Broker (sso.id) enabling customers to connect multiple identity providers in minutes, boosting partner integrations and conversions. Built 15+ Office & Google Workspace add-ins (Word, Excel, Outlook, PowerPoint, Gmail, Sheets, Docs), saving teams hundreds of person-hours per month. Developed 20+ SaaS platforms from MVP to enterprise scale with AI automation and APIs (YouTube, AWS, Firebase, Microsoft Graph), improving engagement and monetization. Implemented PKI, PDF signing, and blockchain anchoring to reduce fraud risk and streamline audits. Technical stack Protocols: SAML, OAuth2, OpenID Connect, SCIM, JWT Platforms: Okta, Auth0, Azure AD/Entra ID, Google Workspace, AWS Cognito, Ping Identity, ADFS, Salesforce Frontend: React, Next.js, Vue, Angular, TypeScript Backend: .NET 8 / C#, Node.js, Python, PHP (Laravel, Django) Databases: MySQL, Oracle, MongoDB Specialized: PKI, cryptography, PDF signing, blockchain-secured documents Why hire me ROI-focused: $1.2M+ earned across 200+ projects with measurable improvements in security, productivity, and time-to-market. Business-first engineering: I reduce operational costs, accelerate onboarding, and unlock new revenue channels. Long-term partner: responsive, reliable, and focused on evolving systems as your business grows. Tell me about your auth, add-in, or SaaS challenge and I’ll outline how we can reduce risk, save time, and increase adoption.

I build production-ready web apps and mobile solutions that clients can actually ship — not prototypes. With hands-on experience in C#, ASP.NET Core, Flutter, and SQL Server, I deliver clean architecture and enterprise-grade code that scales. My current focus: integrating AI into real-world applications. I help businesses add LLM-powered features (OpenAI, Claude API, LangChain) into existing .NET systems — from intelligent document processing and chatbots to automated workflows. If you need AI that fits into your stack, not just a demo, I'm the right person. What I work with: → Backend: C#, ASP.NET Core MVC, VB.NET, REST & Web APIs → Frontend/UI: DevExpress, UI3, Razor Views → Mobile: Flutter (cross-platform iOS/Android), Kotlin (native Android) → Databases: SQL Server, MySQL — query optimization, schema design, EF Core → AI/ML: OpenAI API, Anthropic Claude API, prompt engineering, RAG pipelines I've worked with agency clients across business software, ERP Solutions, inventory systems, field service apps, and internal tooling. I understand deadlines, legacy code, and the difference between a clean proof-of-concept and software ready to hand off to a client. If your project needs a developer who won't need hand-holding on architecture, DM me with your brief.

If your .NET backend is holding your product back, I can fix it. I'm a Senior .NET Architect with 10+ years building production systems for US clients — specializing in ASP.NET Core, Clean Architecture, and AI integration that ships. What I've built recently: → Nexora — a multi-tenant SaaS platform with 10 .NET 9 microservices, pluggable LLM layer (OpenAI + Ollama), real-time SignalR, and event-driven architecture via RabbitMQ → IVR systems with real-time call dashboards using SignalWire + .NET Clean Architecture → 1,300+ hour engagement with a US software company (5-star, still ongoing) I work with: Clean Architecture, CQRS, DDD, EF Core, SQL Server, Docker, Azure, React — and I know when to use each one and when not to. What working with me looks like: → Scoped estimates, not guesses → Code your next developer can actually read → Honest pushback when a requirement will cause problems → Updates without you having to chase me Top Rated · 93% JSS · 10+ years · $40K+ earned on Upwork If you're building something serious, let's talk.

I build and fix the systems businesses actually run on. Think ERP and POS and HRMS and inventory platforms in .NET Core and React with SQL Server that holds up under real load. Over 5+ years and 1000+ hours on Upwork I have shipped production software for retail and HR and healthcare clients. I also modernize old VB6 and WinForms and .NET Framework apps into clean web stacks without losing any data. I am Top Rated with 100% Job Success. What I do best: • .NET Core and Web API backends with JWT auth and RBAC and multi tenant setups • SQL Server performance tuning like stored procs and indexing and query optimization and CDC • React and TypeScript dashboards and admin panels • Legacy modernization from desktop monolith to web or hybrid with clean schema upgrades I also work with Flutter and Angular and Dapper and DevExpress when a project needs it. If you have a system to build or modernize or rescue then send me the details. I will tell you honestly how I would approach it.

A Microsoft Certified Dynamics CRM technical consultant with 7+ years of experience. During my career I have worked on Dynamics 365, Power Platform and .NET technologies implementation of Microsoft Dynamics 365 (greenfield) projects for . My core areas of expertise are C#, ASP .NET, and Microsoft Dynamics CRM. Moreover, I have also developed web applications for different domains which includes property management, health , energy company and event management. I like to play with new and innovative software development ideas & techniques to develop cutting-edge web apps. 🌟 WHY TO WORK WITH ME OVER OTHER FREELANCERS? 🌟 ✅ Always Add Value: I focus on providing VALUE to all of my Clients and Earning their TRUST. The Client Reviews and Feedback on my Profile are immensely important to me and the value that I provide. ✅ Responsiveness: I always remain connected with my client and respond promptly. So, that I can be of help and resolve any urgent issues faced by clients. ✅ Quality: Reach out to any of my Current of Former Clients and ask them about my Resilience. Any issue that my Clients face, I attack them and find a SOLUTION. ✅ ALWAYS GO EXTRA-MILE: I always go extra mile to deliver scaleabl, maintaineable and robust solution. Treating everyone with respect, understanding all situations, and genuinely wanting to IMPROVE my Client's situations. ✅ International Working Experience: I have working experience in: Netherlands, Ireland, Malta, United Arab Emirates, Pakistan. ✅ 7 Certifications in Dynamics including MCSA (Microsoft Certified Solutions Associate) and MCSE (Microsoft Certified Solutions Expert) • MB-230 - Microsoft Dynamics 365 Customer Service • PL-900: Microsoft Power Platform Fundamentals • Microsoft Certified: Dynamics 365 Customer Service Functional Consultant Associate • MB-200 – Microsoft Power Platform + Dynamics 365 Core • MB2-716 – Microsoft Dynamics 365 Customization and Configuration • MB2-713 – Microsoft Dynamics CRM 2016 Sales • MB2-707 – Microsoft Dynamics CRM Customization and Configuration

🥇 Top 1% Freelancer with 13+ years of experience, having delivered 120+ projects with 100% success score, without even a single 1-star review, sounds impactful, right? 🔝 Let's jump into this ultimate success boat. ⏩ My Full-Stack development experience includes C#, ASP.NET MVC, .NET Core, Angular, React, Node, and Flutter for mobile applications, overall I am capable of creating end-to-end systems that are performant, secure, and capable of scaling. Here is an overview of the languages, frameworks, libraries, and design patterns I have worked with for Back-end Development: ✔️ C# .NET CORE (.NET 3.1 & .NET 6, .NET 8) ✔️ ASP.NET MVC & ASP.NET Web API (Entity Framework, SignalR, CQRS Pattern, Clean/SOLID Architecture, Three-layer architecture, Asynchronous Programming, Dependency Injection with Autofac/Unity, AutoMappers, Generics, API development, Repository pattern, Razor Syntax, Web Pages, State Management through sessions & JWT-based authorisation, SeriLog, Log4net, Error Handling) ✔️ API Development (Using ASP.NET Web API, .NET Core APIs, Node, Nest.js Framework, authentication & authorisation using JWT Web tokens, Passport.js, Firebase) ✔️ Cloud Platforms (Microsoft Azure, App/Cloud services, Redis cache, Service bus, Queues, SignalR, Azure SQL, App Insights, Azure Functions, Storage accounts, vNet integration, Azure DevOps, Google Cloud Platform (GCP), Amazon Web Services (AWS), Lambda, S3 Storage) ✔️ DevOPS (CI/CD using Azure DevOps & Github Workflows) ✔️ API Integration (Google API's integration including Google Authentication using oAuth 2.0, Google Drive APIs, Google My Business APIs, Places, Google Ads, Google Analytics, Calendar, Youtube, Pub/Sub. Payment API Gateways for Stripe, QuickPay, Cardcom, and CreditGuard. Integrated ChatGPT and Claude Sonnet 3.5 models into SaaS Web applications and in AI-Chatbots. API Integrations for Salesforce, Powerlink, HubSpot, Teamwork, Twilio, ZOHO CRM API, WhatsApp Business API, Freedcamp, Facebook Graph API, Twitter/X API, Spotify, Soundcloud, Zoom, and MS Teams API integrations etc. ✔️ Databases (MSSQL, Postgres, MySQL, Mongo, Firebase (Firestore), Azure Cosmos) ✔️ Extensive ErpNext Development (Python/JavaScript) in Frappe framework with integration of eBay APIs, Stripe and managing Shopify inventory inside ErpNext. ✔️ WPF (Windows Presentation Framework) for building desktop-based applications along with .NET MAUI app development. For Front-end development, my strengths include: ✔️ Angular (Angular Universal or Server-side rendering, Typescript, analysing builds with bundlers for optimisation, crafting modules, working with routing, lazyloaded modules, authentication guards, HTTP services, standalone components, Angular Signals, shared services using RxJS, NgRX, localStorage, SignalR integration, PrimeNG, Angular Material UI and SyncFusion). ✔️ Reactjs (ReactDOM, Redux, React Router)/Next.js ✔️ Javascript (In a world full of front-end frameworks, we often forget the importance of underlying Javascript. I worked my way up from Javascript and jQuery to Angular back in 2016) ✔️ Web Design (CSS 3, Bootstrap, Tailwind, PrimeFlex, and Figma to Web Design) For Mobile Applications, I primarily use Flutter with either Firebase/Supabase or custom API integration if not for SqlLite. Here's the summary of my experience with Flutter: ✔️ Flutter (Stateful/Stateless widgets, Providers especially Consumer/Select, ListViewBuilder, Push notifications based on the reminders, StreamBuilders, FutureBuilders, Flutter widget life-cycle, working with the data, Firebase & SqlLite, Shared-Preferences). ✔️ AI-Powered Chatbot Development using ChatGPT/OpenAI or Claude APIs. ✔️ MCP Server Integrations and Development ✔️ Agentive AI Applications - using a function or tool calling ✔️App deployments on both Google Play Store and Apple App Store For Automations, I have used n8n (cloud-based and locally) extensively to create workflows, Zaiper (multi-step zaps, custom API integration, etc), Airtable, GHL Workflows, and make.com. To write automated scenarios, I have used Playwright and Selenium WebDriver. I have written a lot of custom automations using AWS Lambda, GCP and Azure functions, which generally either use time triggers (called after a set interval) or HTTP-based triggers, used as Webhooks. Some of the automations that I have worked with include Slack apps & integrations, Notion, Telegram, Pushbullet, performing sync on Shopify products and their variants in the background, sync to or from BigQuery offered by Google Cloud, updating CMS, writing auto posting on social media based on a text-based prompt that generates an image using Gemini APIs and posts it on selected social media channels. Another example is automatically transferring Teams meeting recordings to a Google Drive folder using APIs or writing Google Sheets scripts to execute APIs and manipulate the returned response." Ready to create something exceptional? Let's jump on a call

Hello! I'm a full stack software developer with 6+ years of experience in a highly diversified tech stack. I believe in innovation that helps to build future shaping apps. I am always keen to expand my knowledge and exposure base through learning new technologies, frameworks and tools. I started my career as a frontend developer but soon dived into backend development besides encompassing cloud based technologies into my skillset. Over the years, I have been a part of many software development projects and worked for several reputed employers. I have Strong creative, analytical skills and problem-solving skills to create dynamic, high-speed websites and apps. Professional expertise includes: • Experience in C#, ASP.NET MVC, ASP.NET Core, ASP.NET 3.5/4.0, WCF, WPF, Entity Framework, Entity Framework Core, LINQ, ADO.NET, Anguler 5/6/7/8, ReactJS, VueJS , SQL Server 2000 - 2019, XML Web Services, Web API, ADO, Ajax, JQuery • Designed Applications using UML and Use Cases and Design Patterns, Agile Methodologies. • Managed software project life cycle (requirement analysis, Functional/Design Specifications, HLD, LLD & Test plans designing). • Experience in developing applications using ASP.NET MVC, ASP.NET Web Forms, LINQ and Windows Communication Foundation (WCF). • Experience in implementing error handling, exception management, tracing and logging features. • System design and development, Rapid Application Development (RAD) using MVC, MVP and MVVM patterns with design patterns, code review, release management. • Experience in Software Configuration Management (Daily Build, Release and Testing methodology) using tools like Team Foundation Server (TFS). • Experience in Load Testing, Code review and implemented automated unit testing with Selenium. • Strong abilities in Design Patterns, Database Design, Normalization, writing Stored Procedures, handling SQL CLR, Triggers, Views, Functions and SSIS/DTS Packages in MS SQL Server and involved in all the stages of System Development Life Cycle. • Experience in working with divergent technologies including IIS 6.0/7.0, HTML5, CSS, Classic ASP, VB6, ADO, VBScript and Java Script. • Experience in requirements gathering, analysis & re-engineering. • Requirements acquisition, design, analysis and documentation. • Ability to perform at a high level, meet deadlines, adaptable to ever changing priorities. • Strong analytical and problem solving skills. • Source code management with Github and Bitbucket.

Certified .NET & Azure developer (AZ-204) — I ship reliable ASP.NET Core software AND integrate AI that works in production, not just demos. 100% Job Success on Upwork. That's my niche. I'm a full-stack .NET developer with 7+ years building enterprise-grade web applications, and I specialize in adding AI capabilities (OpenAI, Azure OpenAI, ChatGPT, and Claude) to real .NET products. What clients hire me for: ✅ New web apps & SaaS platforms on ASP.NET Core (.NET 8/9) + React or Blazor ✅ AI integrations — chatbots, document processing, and OpenAI/Azure OpenAI features inside existing apps ✅ Bug fixes & troubleshooting — OAuth/authentication, performance, and API issues (fast turnaround) ✅ Azure cloud deployment, APIs & third-party integrations (Stripe, Microsoft Graph, Amazon SP-API) ✅ Legacy modernization — moving old .NET Framework / Web Forms apps to modern .NET Over the past 7+ years, I've built secure, scalable applications for enterprise clients, government departments, and international teams—delivering everything from high-performance backend systems to full-stack web platforms. On Upwork I hold a 100% Job Success Score with Rising Talent status, and I'm Microsoft Certified (Azure Developer Associate – AZ-204 and Azure Fundamentals – AZ-900). Why clients keep working with me: I focus on your business outcome, not just the job success scoretecture, clear weekly communication, honest timelines, and support after launch. Low-risk to start: I begin new projects with a small paid milestone so you can see my work quality before committing to the full scope. 📩 Send me a message describing your project — I'll respond with a practical technical approach, a realistic timeline, and honest pricing. No jargon, no overselling. My technical stack: Backend: ASP.NET Core (.NET 8/9), C#, Web API, REST & Minimal APIs, Entity Framework Core, SignalR, SQL Server, Clean Architecture, DDD Frontend: React, Angular, Blazor, TypeScript, JavaScript Cloud & AI: Microsoft Azure, Azure App Services & Functions, Azure OpenAI, OpenAI API, Claude AI, Azure Bot Framework, Docker, CI/CD, Azure DevOps Integrations & security: Microsoft Graph, Stripe, Amazon SP-API, JWT/OAuth 2.0, ASP.NET Identity

I am a backend API developer, and It has been five years since I have started my work as a Backend API developer and web scraper. During this period, I have worked with various clients, and companies for developing the services for their Rest API needs or make bots for their web scrapping needs. I enjoy solving problems, troubleshooting issues, and coming up with efficient solutions on time. ❖ Key Points: ➜ 5+ Years of experience in coding backend rest APIs, web scrapping, automation utilities and scripts. ➜ Backend API development in .Net Core and Python. ➜ Fluent usage and understanding of the Orms for .Net Core and Python. ➜ Worked on projects for web scrapping at a large scale. ➜ Fluent Usage for Python Libraries like Requests, Beautiful Soup, FastAPI. ❖ 𝗖𝗹𝗼𝘂𝗱 𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀: ➜ AWS, Azure, Digitalocean, Cloudflare, Google Cloud ❖ 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: ➜ MS SQL Server, SQLite, MySQL, DynamoDB, Mongo DB. ❖ 𝗦𝗼𝗰𝗶𝗮𝗹 𝗻𝗲𝘁𝘄𝗼𝗿𝗸𝘀 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻: ➜ Google, Facebook, Twitter, Instagram. ❖ 𝗠𝘆 𝗽𝗿𝗶𝗼𝗿𝗶𝘁𝗶𝗲𝘀 𝗮𝗿𝗲: ➜ Fast Prototyping for the project use case. ➜ Can work on weekends if needed. ➜ Client satisfaction. I'm always available and easy to communicate with. Let's connect to make it happen!

I’m a passionate and detail-oriented .NET Web Developer with over X years of experience building reliable, scalable, and high-performance web applications. I specialize in C#, ASP.NET MVC/Core, SQL Server, and modern frontend tools. I work closely with clients to bring their ideas to life with clean, efficient, and well-documented code. Let’s build something great together.