Hire the Best .NET Framework C# Engineers
in Bangladesh

Hello! I’m Badhon Ashfaq, a Senior .NET Backend Engineer with 13+ years of experience building scalable SaaS platforms and cloud-native solutions on Azure. I’ve helped startups and global enterprises like UNICEF and Barclays deliver secure, high-performance systems that run reliably at scale. If you need a secure backend, resilient APIs, or cloud automation that works, I’m the person to call. Core Expertise:- ⚡ Backend & APIs → ASP.NET Core 6–8, REST, gRPC ☁️ Azure Solutions → Functions, App Services, Storage, AD B2C, Durable Functions 🗄️ Databases → MSSQL, PostgreSQL, Cosmos DB, MySQL, Oracle 🧩 Architecture → Microservices, DDD, Clean Architecture, CI/CD pipelines 👨‍💻 Leadership → Remote team management, Agile delivery, code reviews Highlights:- 🚀 Improved SaaS API performance by 45% and reduced latency by 40% 🏦 Delivered enterprise-grade systems for UNICEF, Barclays, SandBS CyberSecurity 🔄 Integrated 20+ third-party APIs (Stripe, Twilio, JasperAI, CoreLogic) 📈 Led migration projects to Azure → reducing infra cost by 30% Why Work With Me ✅ Azure Certified Architect (Cloud-native & serverless systems) ✅ Proven record of 99.9% uptime, enterprise-grade reliability ✅ Strong communicator → clear updates, no missed deadlines ✅ Trusted by global SaaS & fintech teams 💬 Client Feedback: “Ashfaqbadon was very easy to communicate with, highly capable, and went above and beyond to deliver a complex project ahead of schedule.” 📌 Let’s build something exceptional together — message me to discuss your project.

I have 8+ years of experience in developing different types on application using Microsoft .Net technologies like C#.Net, Asp.Net, Asp.Net MVC and other web technologies like AngularJS, HTML, CSS etc. Over last 3-4 years I am extensively developing angular js based single page applications consuming data from Web Api / Restfull services. I am very much comfortable in Agile Development process. I have experiences or requirement analysis, planning, prepare sprint board with story and task break down. I have 3+ years of experience of leading a development team of 5-8 members. I am comfortable in using Svn, Git, TFS as source control and Jira, Mantis, TFS board etc for project management and issue tracking. I prefer to work for long term and quality project. I believe, to develop a better software both developer and client need to be very co-operative and pro-active. I always try to be transparent to my client on my work and produce quality software.

I am committed and dedicated to my works and to my clients. My rules are i) Client satisfaction is the key to success, ii) Design everything before implementation and iii) Write good code with proper documentation. But I believe in exception and every rule has an exception. I have 17+ years of experience with C++/Qt/QML/Felgo, C#/VB/.NET/Xamarin/MAUI/Avalonia/iOS/Android, etc. I do also code in Node.js, Go, Rust and MongoDB for server/backend and API stuff. I have also achieved the 'Digia Certified Qt Developer' and 'Digia Certified Qt Specialist' certifications.

150+ Jobs Completed | 2000+ Hours Logged With 16+ years of working as a software engineer, technical lead and software architect, Tajbir brings deep understanding of enterprise software, management, and technical strategy to any project. He has extensive experience in full stack development, both on mobile platforms and web architectures (client and server side). He writes code that can be maintained and expanded over time as business systems and requirements adapt to market demands or pivots in core business direction. He is obsessed with learning newer and better technologies to bring the best solutions to all products and ideas. He possesses a vast range of skills in many different technologies, designs, and methods of execution. Education- Bachelor's Degree in Computer Science And Engineering (4 Years) Master's Degree in Computer Science (Major: Software Engineering) (2 Years) Expert in- Framework: Asp.Net MVC, Asp.Net Core, Node, MEAN, MERN Front End: VanillaJS, Angular, React, Vue, jQuery, LESS, Bootstrap, Semantic UI Database: MS SQL Server, MongoDB, MySQL, Firebase E-Commerce: Shopify, NopCommerce CMS: Wordpress, Custom CMS Development in Asp.net Designing Tools: Figma, Adobe XD, Adobe Photoshop, Adobe Illustrator

I help companies worldwide build, scale, and modernize enterprise-grade applications using .NET. With 11+ years of experience, I specialize in designing high-performance, secure, and scalable systems that support critical business operations. I’ve worked across industries including finance, healthcare, CRM, Inventory, ERP and e-learning—helping teams turn complex challenges into reliable, production-ready solutions. I bring deep expertise across the Microsoft ecosystem, with a strong focus on Blazor, ASP.NET Core, and modern full-stack architecture. What I do: Build scalable full-stack applications using C#, ASP.NET Core, and Web APIs Develop rich, interactive UIs with Blazor (Server & WebAssembly) Modernize legacy systems into clean, maintainable architectures Design systems using SOLID principles, CQRS, MediatR, and Domain-Driven Design Deploy and manage applications on Azure and AWS with CI/CD pipelines Ensure code quality through Test-Driven Development (xUnit, bUnit, Moq) How I add value: Improve system performance and scalability Reduce technical debt in legacy applications Deliver clean, maintainable, and future-ready solutions Align technology with real business goals I’m passionate about building systems that not only work—but scale, perform, and last. If you're looking to build or modernize a .NET-based system, or simply want to exchange ideas around scalable application architecture—feel free to connect.

With 10+ years of experience as a Senior Engineer and Technical Team Lead, I specialize in driving large-scale enterprise applications through Agile best practices. I provide a strong ownership mentality and clear communication, having successfully led 10+ enterprise projects from initial development to production handover and client delivery. My expertise covers .NET, React, Blazor, Rust, and Python using Microservices and Clean Architecture with Postgres and MongoDB. I manage Azure and AWS cloud environments daily, integrating advanced AI via LangChain and Semantic Kernel alongside complex APIs like Salesforce, QuickBooks, Xero, and Microsoft Graph. ✔️ Industry Experience Banking | Fintech | Audit | Workflow Automation | Accounting and Tax Related App | Custom Business Solution | CRM | Lead Management | Business Web App ✔️Programming Languages C# (.NET 8/9) | Rust | Python | TypeScript | JavaScript | C++ | SQL ✔️Backend Technologies & Frameworks ASP.NET Core (Web API & Microservices) | Actix | Rocket | ExpressJS | NextJS | .NET Framework | WinForms | FastAPI | Django | CLI Tools Development ✔️Frontend Technologies & Framework React | Next.js | Blazor (WASM & Server) | Angular | jQuery | Bootstrap | Tailwind CSS | Figma to Code ✔️Cloud & Managed Servers Azure | AWS | Windows Server | Linux Server | Docker | Kubernetes (K8s) | Helm | Containerization ✔️CI/CD & DevOps Automation Azure DevOps | GitHub Actions | GitHub CI | Jenkins | Terraform (IaC) | GitOps | Infrastructure as Code | Release Management ✔️Cloud Services Azure App Service | Azure Blob Storage | Azure Bot Service | Azure Notification Service | Azure OpenAI | Azure AI Search | AWS EC2 | AWS Elastic Beanstalk | AWS S3 | AWS SES | AWS Security | Azure Managed Database ✔️Database Microsoft SQL Server | PostgreSQL | Azure Cosmos DB | MongoDB | MySQL | Oracle | Vector Databases (Pinecone | Milvus | Weaviate) ✔️Authentication & Authorization OpenIDConnect | OAuth 2.0 | Microsoft Entra / Azure AD + B2C | OpenIddict + Identity Server | Keycloak | Auth0 | Okta | IAM Security ✔️Background Services & Jobs ASP.NET Core Hosted Services | Hangfire | Quartz.NET | Celery | Rust Background Job | Windows Service Background Jobs ✔️Caching Redis (Distributed Caching) | Memcached | In-Memory Caching for Single Instance ✔️AI Development & Agentic Workflows LangChain | Semantic Kernel | LangGraph | CrewAI | AutoGen | LlamaIndex | MCP Server | RAG Pipelines | Multi-agent Orchestrator | n8n | VAPI (Voice AI) | Generative AI ✔️AI-Powered Development & Productivity (Vibe Coding) Cursor | GitHub Copilot | Claude API | Antigravity | OpenAI API | Gemini API | Mistral API | AI-Assisted Architecture ✔️Development & Project Management Tools Azure DevOps | Jira | Trello | Slack | Postman | Swagger (OpenAPI) | Git | GitHub | Bitbucket | Confluence If you find my skillset good enough for you expectation then hit invite button and discuss further more.