Hire the Best Windows Communication Foundation (WCF) Specialists in Kolkata, IN

💼 Full Stack Developer | Microsoft Tech Stack Expert | 15+ Years Experience | MVP Awardee | Top Rated Hello! I’m Nitesh, a seasoned full-stack developer with over 15 years of experience in the Microsoft technology stack. I specialize in back-end development, front-end development, software architecture, and delivering end-to-end software solutions — from requirement analysis to deployment and support. 🏆 Key Highlights: 🏅 5-time recipient of the "Most Valuable Professional" (MVP) award by a top developer community. ✅ Microsoft Certified Professional – Windows Forms & ASP.NET. ⏱️ Over 3,800 Upwork hours delivered successfully. 🌟 Worked with Clients from over 40 countries. 💡 What I Offer: • Expert consultation on technical and financial aspects of projects. • Proactive approach with detailed options, pros/cons, and best-fit recommendations. • Bug fixing, code reviews, performance improvements, and full-cycle development. 🔧 Core Backend Expertise: • C#, VB.Net, ASP.Net, ASP.Net MVC • ASP.Net Core, ASP.Net Web Forms • Entity Framework, LINQ, ADO.NET • SQL Server, MySQL, PostgreSQL, MongoDB, Redis • RESTful APIs, Swagger, RestSharp 🎨 Frontend Technologies: • ReactJs, React Native • JavaScript, jQuery, jQuery UI • Bootstrap, HTML5, CSS3 🔌 Integration & Tools: • Payment Gateways: PayPal, Stripe, Razorpay, 2Checkout, CCAvenue, PayTM, PayU • Shipping APIs: FedEx, others • UI Libraries: Telerik, DevExpress, Infragistics • Dev Tools: Git, SVN, TFS • Time & Bug Tracking Systems • Webcam handling, e-signatures, 3rd party APIs 🧩 Types of Projects I've Built: • ERP for Manufacturing Companies • Custom CRM Softwares for over 50+ Customers • Inventory Management Software • Timesheet Management Solutions • Fixed Asset Management Solutions • Travel & Booking Apps 🎯 Why Work With Me? ✔ Delivered high-quality solutions for clients in healthcare, finance, e-commerce, manufacturing and more ✔ Clean, maintainable, and scalable code ✔ Strong communication – available daily via Upwork, Teams, or email ✔ Committed to deadlines, quality, and client success ✔ 99% on-time delivery since last 15 years ✅ Let’s Work Together I work with my clients as the project is mine giving 100% sense of accountability & ownership. 100% quality work and prompt response guaranteed. Message me now to discuss your next project. Quality work and prompt communication are guaranteed! #Full Stack developer, #backend developer, #ASP.NET Core, #WebAPI, C#, MS SQL, MySQL, ADO.NET, Micro services, Web development, UI/UX Designer, Entity Framework, SOAP, REST, ASP.NET, ASP.NET MVC, SignalR, WebRTC, HTML, CSS, JavaScript, JQuery, Angular, React, Blazor, Redis, Azure, AWS.

I have developed a wide range of desktop products, using C, C++, STL, Win32, Visual C++, MFC, COM, QT and C#, and Office Addin development. During my work in five Product Engineering teams, I have also created functional requirements, defining the scope of work , proof of concept, software design, software development, and client interfacing. Besides being an Individual Contributor, I have also played Techno Managerial roles - requirement gathering, software design, work breakdown, and end to end implementation of projects within the scheduled time . I also have experience on UML, Software Architecture and creating software roadmaps.

I help businesses, MSPs, and IT teams deliver reliable Technical Support, IT Support, and Helpdesk services - resolving issues faster, improving CSAT, FCR, and AHT, and ensuring smooth operations across global time zones. With 17+ years of experience at Microsoft, Wipro, and IBM, I bring deep expertise in Technical Support, IT Support, and L2 Helpdesk operations across multiple channels including Phone Support, Email Support, and Online Chat Support. I’ve successfully resolved over 6,000+ technical cases, consistently meeting KPIs and building trust with global clients. Core Expertise: ✔ Technical Support & IT Support – Windows, Mac, networking, hardware/software troubleshooting, printers, and peripherals ✔ Desktop Support – diagnosing and resolving system errors, connectivity issues, and application failures ✔ Microsoft Outlook & Office 365 Support – setup, troubleshooting, and user assistance ✔ Helpdesk Operations – ticket management, SLA compliance, escalation handling, and queue management ✔ CRM Tools – Zendesk, Dynamics 365, RAVE ✔ MSP Operations Support – dialer setup, live barge QA, workflow optimization, and escalation management ✔ Customer Service Excellence – empathy, active listening, conflict resolution, and relationship building ✔ Team Mentoring & Onboarding – training new hires, coaching agents, and improving performance Client Outcomes I Deliver ✔ Reduced ticket resolution time by 30% through workflow optimization ✔ Improved CSAT scores to 95%+ with accurate, empathetic Tech & IT support ✔ Enabled MSP and IT teams to scale without service disruption Why Clients Choose Me ✔ Proven track record in enterprise IT support and remote helpdesk environments ✔ Remote‑ready setup: high‑speed internet, backup PC, UPS, and noise‑cancelling headset ✔ Balance of technical depth + customer empathy - I solve IT problems while building trust Skills Section • Technical Support • IT Support • Desktop Support • Phone Support • Email Support • Online Chat Support • Microsoft Outlook • Office 365 • Customer Support • Customer Service • Helpdesk • CRM Tools (Zendesk, Dynamics 365) • Ticket Management & SLA Compliance • MSP Operations Support • Queue Management & Escalation Handling • Team Mentoring & Training