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I am an experienced C/C++/C# (.NET)/Python/Java/Fortran 90 programmer. I specialize in the development of high performance cryptographic implementations , deep neural networks, desktop application development (both GUI and terminal applications), graphics programming with SDL 2.0 or SFML and OpenGL, network programming using sockets (both BSD sockets and WinSock), multi threading, system security enhancing applications and writing operating system level code for both Windows and Linux operating systems. I am deeply familiar with the Windows API as well as POSIX API, and I have extensive experience working with intricate projects that use the OpenSSL libraries, libAV (core libraries of ffmpeg), libcurl, GMP and many more! I prefer developing cross-platform code and I also have experience in using MPI (Message Passing Interface) via OpenMPI for distributed computing. I love writing efficient, elegant and portable code, that works in the most efficient way possible. I am also a fluent speaker and writer of the English language. If I take up a project, be assured that it will be done with the utmost level of perfection that will make your heart content! Please check out the heartfelt reviews from my clients to understand more about me. I hope to work with you and manifest success in your challenging projects. Thankyou very much for checking out my profile! May God Bless You :)

Over 10+ years of experience in IT industry, involving in Software Design, Analysis, Development integration and Testing at client and server side in various domains such as transport, finance, etc. My Skills: • Experience in .NET Framework/Core • Experience with C# 10 and .NET 6 and earlier versions • Experience in React, Angular, Node, HTML5, JavaScript and CSS • Windows desktop application development experience • Experience with Windows and WCF services development • Experience in Microservice API and REST services and understanding of containers • Experience with WPF GUI Modular application development • Practical experience using MVVM design pattern and DevExpress WPF controls • Exposure in multi-process .NET applications • Relational database experience MySQL & SQL Server • Understanding of message queues and middleware. • Experience with SDLC tools, like Jira, bitbucket, bamboo Confluence, GIT source control system • XAML-based user interface development experience (e.g., WinUI 3, UWP, WPF) • Experience with LINQ to XML • Understanding of XML schemas (XSD) • Integration with third party softwares like Act, Quick Books, UPS/USPS. • Ability to work independently • Git version control • Solid understanding of testing principles and high-quality software • Excellent written and verbal English communication skills. DEVOPS Experience: 1.) Docker for containerization of projects 2.) GITHUB Actions for CI/CD over Ec2-Instance 3.) AWS CI/CD over S3 bucket 4.) Jenkins for project build and deployment. 5.) Docker-compose for managing and launching micro services using YML compose. 6.) ElasticBeanstalk Worked in an Agile team of .NET developers for a fast-paced software development firm. Worked on 10+ SQL database design projects. Improved speed to complete projects by 35% in 15 weeks. Developed and provided maintenance for 20+ .NET websites/applications, using ASP.NET MVC, jQuery, HTML, and CSS. Achieved 100% client satisfaction and on-time completion. Created remote coding and testing environment with bash and Docker scripts.

Hi, I am an Electronics Engineer and Senior .NET Developer with over 12 years of experience specializing in custom Desktop Application Development (C#, WPF, WinForms) and Hardware-Software Integration, and AI-Driven Predictive Analytics. My core expertise lies in enabling seamless communication between desktop software and physical hardware devices—such as RFID/barcode scanners, microcontrollers, and industrial sensors—tailored strictly to your project requirements. 🌟 What My Clients Say: ⭐ "Subhodeep is an excellent programmer... Clean code, in sync with architecture." ⭐ "I am very impressed by Mr. Bhattacharjee's professional programming skill... Very satisfied and thankful." 🛠️ Industry Experience & Past Projects Throughout my career, I have engineered and delivered robust desktop solutions across a diverse range of industries, including: * Industrial & IoT: Machine vibration and heat detection/management systems (utilizing sensors as direct data inputs). * Logistics & Retail: Inventory management and automated barcode/RFID tracking. * Corporate & Government: Government-sponsored railway passenger charting systems and attendance tracking software. * Productivity & Design: Specialized interior decoration calculators and custom Microsoft Office add-ins. 💻 Architecture & Deployment Models I design flexible software architectures based entirely on your operational needs: * Fully Offline Solutions: High-performance apps running on local databases for zero-latency, internet-free environments. * Hybrid / Cloud-Synced: Applications that work locally but seamlessly sync data to the cloud when a connection is available. * Web Companions: ASP.NET Core web apps built to communicate with centralized servers and sync directly with your desktop ecosystem. * AI-Powered Analytics: I integrate intelligent data models into desktop dashboards to forecast future trends (such as predicting chart and graph trajectories based on historical data) and proactively flag operational anomalies like sales drops or inventory discrepancies. 🚀 Technical Expertise Software Development & UI/UX * WPF: Built using clean MVVM architecture with strict separation between the database and object layers. * WinForms: Optimized for high-performance, robust dashboards to track real-time data. * Avalonia UI: For modern, cross-platform desktop applications. * UI Component Frameworks: Extensive experience with DevExpress and Telerik to deliver beautiful, user-friendly interfaces. * AI & Intelligence: Predictive analytics, forecasting models, and anomaly detection. * Office Automation: Custom VSTO Add-ins for Word, Excel, and Outlook. * Web & Backend: ASP.NET Core for server-side communication and APIs. * Databases: SQLite for lightweight local storage, alongside scalable cloud databases. Hardware & Protocol Integration * Peripherals: RFID Readers, Barcode Scanners, and Microcontrollers (Arduino/STM32 ecosystems). * Protocols & Connectivity: TCP/IP, Bluetooth, RS-232, and native Serial Port communication. 📞 Ready to Get Started? Let's discuss how we can streamline your workflow, automate your data collection, or build a desktop application with a stunning interface for your users. Send me a message today, and let's hop on a brief call to map out your solution.

I have helped startups and enterprises build new .NET applications, define solution architecture, modernize legacy systems, resolve complex production issues, optimize application and database performance, simplify backend complexities, integrate third-party systems, and become a dependable long-term member of their development teams over 20 years of my experience. If you're looking for someone who can step into an existing .NET application, quickly understand the codebase, identify the real problem, and start delivering without constant guidance, I'd be happy to help. Over the years, I've worked on challenges that go far beyond code writing, code—performance tuning, troubleshooting production issues, designing scalable backend architectures, optimizing SQL queries, refactoring legacy applications, integrating external APIs, resolving concurrency and data consistency issues, improving application stability, and implementing new features without disrupting existing business workflows. I am hands-on developer and enjoy solving the technical challenges. My Core Areas of Expertise:- ------------------------------------ ✔ ASP.NET Core, .NET Framework, .NET 6/7/8, C# ✔ REST APIs, Web APIs, Microservices & Third-party Integrations ✔ Full Stack Development using ASP.NET Core, Angular, Blazor & MVC ✔ Legacy .NET Modernization (ASP.NET, Windows Forms, WPF) ✔ Enterprise & SaaS Application Development ✔ SQL Server, MySQL, Entity Framework Core & NHibernate ✔ Performance Optimization, Database Tuning & Application Troubleshooting ✔ Cloud Deployment with Azure, AWS, Git, Jenkins & CI/CD Pipelines ✔ ABP Framework & ASP.NET Zero I've successfully delivered projects for clients across the USA, Australia, Canada, France, Russia, and India. My recent Upwork engagement lasted over two years with more than $52,000 billed, and I've maintained 5-star ratings across every completed Upwork project. If you're looking for a senior .NET consultant who can quickly become productive, take ownership of your application, and deliver reliable results, I'd be happy to discuss your project.

19+ Years of Professional Experience in the Software Industry as Technology Consultant/Senior Software Architect/Senior Software Developer in the Area of System Analysis, Design & Development using industry Best Practices and Patterns. I have successfully delivered numerous projects, continuously driving innovation and excellence. 👉 Experience & Skills: ✅ Mobile App Development (Native/Hybrid): I bring extensive experience in developing mobile solutions using cutting-edge technologies such as Next.js, React, Angular, Node.js, ASP.NET Core, C#, Flutter, IONIC, Swift, XCode, and Clean Architecture, ensuring seamless and efficient app development. ✅ App Development & Deployment: Specialized in building applications from scratch and deploying them on IIS and Azure platforms. Expertise includes working with Microsoft Azure services like App Services, Web Jobs, Azure Functions, and Azure Storage (Blob & File Share). ✅ API Integrations: Proficient in integrating a wide array of APIs from leading service providers, such as FedEx, UPS, DHL, EasyPost, Amazon, AXIS, USPS, Pitney Bowes, QuickBooks, and DocuSign, to enhance functionality and streamline business operations. ✅ Payment Gateway Integrations: Strong expertise in integrating secure payment gateways such as xCharge, PieConnect, Authorize.Net, and ACH, ensuring smooth and secure transaction processing. ✅ Front-End Development: Solid knowledge of front-end technologies including Flutter, Angular, IONIC, jQuery, HTML5, Bootstrap, and TypeScript, enabling me to build dynamic, responsive, and user-friendly interfaces that seamlessly integrate with backend functionality. ✅ DevOps & Version Control: Skilled in version control systems such as GIT, SVN, and TFS to manage code repositories and facilitate team collaboration. Well-versed in DevOps practices for Continuous Integration/Continuous Delivery (CI/CD), automating deployment pipelines for smooth, efficient releases. ✅ Reporting Tools: Extensive experience working with SQL Server Reporting Services (SSRS), Crystal Reports, Telerik Reports, DevExpress/DevExtreme, and Telerik Kendo, delivering tailored reporting solutions that meet client requirements. ✅ ETL Processes & SSIS: Expertise in developing complex SSIS packages for efficient ETL (Extract, Transform, Load) processes, ensuring seamless data integration and transformation across systems. ✅ Mobile App Development (Hybrid & Native): Skilled in building both hybrid and native mobile applications for iOS & Android using Flutter, Angular, and IONIC, delivering seamless user experiences across all devices. ✅ Database Optimization & Performance Tuning: Adept at optimizing large databases with millions of records, resolving performance issues, and delivering actionable solutions that improve system operations and efficiency. 👉 Technical Proficiencies: 🚀 Languages & Frameworks: Next.js, React, Angular, Node.js, C#, .NET Core, Blazor, ASP.NET, MVC, Web API development (RESTful & SOAP). 🚀 Front-End Technologies: Flutter, Angular, IONIC, jQuery, HTML5, Bootstrap, TypeScript for building responsive, scalable, & dynamic web/mobile applications. 🚀 Version Control & DevOps: GIT, SVN, TFS, with a strong focus on CI/CD practices for continuous integration and deployment. 🚀 Databases & Reporting: SQL Server, Entity Framework, LINQ, Telerik Reports, SSRS, Crystal Reports. 🚀 Testing & Debugging: Experience in unit testing and proficient with tools like Postman and Fiddler for testing and debugging APIs. ↪️ Why should I be the best --✅ 100% client satisfaction. --✅ 24/7 Availability --✅ Strong technical skills and business solutions provider. --✅ Top-notch communication and responsiveness. You will always feel in control of the project. --✅ Well-defined processes to keep you updated on each phase of development. --✅ Attitude with No excuses, just get it done. Happy to Help You!

Your game should not stay stuck as an idea, prototype, or broken build. ⭐⭐⭐⭐⭐"Sanket was very responsive to all of my requests. He added a lot to our project. He's very talented in unity. I will be hiring him again for future projects. If you need help in unity he's the guy to go to." I help clients turn Unity/Unreal projects into real playable games — with clean gameplay, UI, performance, multiplayer, mobile, WebGL, VR/AR, and store-ready delivery. Whether you need a fresh prototype, existing source code fixed, a mobile game polished, a VR/AR app built, multiplayer added, or a broken project rescued, I can help move it from messy to playable. 🚀 Top Rated Plus Unity and Unreal Engine Game Developer! 🌟 🌐 Upwork's Elite 3% Talent 🏆 💡 8 Years of Experience 🔥 ⭐⭐⭐⭐⭐ 5-Star Ratings ✨ 🎮 Unity & Unreal Expertise 💻 Are you in need of a versatile developer for your Unity and Unreal Engine projects? Look no further, because I'm here to elevate your work to the next level! 🚀 👁️‍🗨️ Key Skills: OpenAI ChatGPT Integration 🤖 C# for Unity 🧩 C++ for Unreal 🎯 Blueprint Coding 📜 Google AdMob Proficiency 📊 Unity Ads Optimization 📈 Facebook SDK Integration 👥 Firebase integration with Unity and Unreal ☄️ Expert API Integration 🌐 Pro at REST API Calls 📲 Android & iOS (.APK and .IPA) Builds 📱 Unreal Engine 5 Wizard 🌌 Unreal Engine Pixel Streaming ⚙️ Unreal Engine Meta Humans 👤 Unity Game Engine Master 🕹️ Unity WebGL Specialist 🕸️ Unity AR & VR Enthusiast 🌌 Multiplayer Champion with Photon 🎮 Playfab Integration Expert 🌐 User Profile Creation & Authentication 🔑 Payment Gateway Whiz 💰 AWS - Amazon GameLift Multiplayer 🚀 Debugging & Problem-Solving 🛠️ In-App Purchases Guru 💳 Leap Motion Controller Skills 🖐️ VR Game Development with Meta Quest 2 🕶️ VR Game Development with Meta Quest 3 🕶️ Version Control with GitHub , PlasticSCM & Perforce 🧩 Project Management (Trello, JIRA, Heights) 📊 Using AI to generate code and deliver fast results 🤖 💻 My Hardware Arsenal: Main PC: Intel i7 13700k, RTX 4070 ti, 64 GB RAM 🖥️ Macbook Pro M2 chip, 16GB RAM 🍏 iPhone 16 plus 📱 Android Phone 📱 Leap Motion Controller 🖐️ Logitech Gamepad 🎮 Meta Quest 2,3 🕶️ Logitech G29 Driving Force Racing Wheel and Floor Pedals 🏎️ Logitech G Driving Force Racing Wheels Shifter ⚙️ I'm ready to enhance your projects with my exceptional skills. Feel free to reach out if you're seeking an expert for your Unity and Unreal Engine ventures! 🌟🚀 #UnityDev #UnrealEngineDev #GameDeveloper #FullStack #Senior #expert #freelance #game #developer #unity #unrealengine Engine developer, hire game dev, AR VR developer, mobile game development, Video game development