Senior Dotnet Fullstack Developer

Job description

**About Firstsource** Firstsource Solutions Limited, an RP-Sanjiv Goenka Group company (NSE: FSL, BSE: 532809, Reuters: FISO.BO, Bloomberg: FSOL:IN), is a specialized global business process services partner, providing transformational solutions and services spanning the customer lifecycle across Healthcare, Banking and Financial Services, Communications, Media and Technology, Retail, and other diverse industries. With an established presence in the US, the UK, India, Mexico, Australia, South Africa, and the Philippines, we make it happen for our clients, solving their biggest challenges with hyper-focused, domain-centered teams and cutting-edge tech, data, and analytics. Our real-world practitioners work collaboratively to deliver future-focused outcomes. Senior .NET Full Stack Developer **Location:** Bangalore / Remote **Experience:** 3 – 10 Years About the Role We are seeking a highly skilled Senior .NET Full Stack Developer to design, develop, and maintain enterprise-grade web applications using modern Microsoft technologies. The ideal candidate should have strong expertise in .NET, ASP.NET Core, Blazor, SignalR, SQL Server, and Azure cloud services. You will collaborate with cross-functional teams to deliver scalable, secure, and high-performance applications. Required Technical Skills **Backend Development** - .NET 9/10 and C# - ASP.NET Core - REST API Development (Minimal APIs) - Microservices Architecture - SignalR (Real-Time Communication) - Worker Services / Background Services - Entity Framework Core - Web Services, SOAP, and WCF **Frontend Development** - Blazor Server - Razor Components - JavaScript - HTML5, CSS3, Bootstrap - Angular 6+ (Nice to Have) **Database Technologies** - Microsoft SQL Server - Entity Framework Core and LINQ - Stored Procedures and Query Optimization - PostgreSQL/MySQL (Nice to Have) **DevOps & Version Control** - Git - Azure DevOps (Repos, Pipelines, Boards) - CI/CD Practices - Team Foundation Server (Optional) **Cloud Technologies (Good to Have)** - Azure Load Balancer, DNS, Traffic Manager - Azure SignalR Service - Azure SQL, Cosmos DB - Azure Functions, Logic Apps - Azure Cognitive Search - API Management - Service Bus - Key Vault - Redis Cache - Azure Active Directory (AAD) - Application Insights and Serilog - Azure OpenAI Integration - RabbitMQ - AWS S3 Exposure **Experience Requirements** - **4+ years of experience in .NET Development using C#** - **3+ years of experience in ASP.NET Core and Web API Development** - **2+ years of hands-on experience with Blazor, Razor Components, and SignalR** - **Strong experience with SQL Server, EF Core, and LINQ** - Experience with secure authentication and authorization mechanisms - Strong understanding of Object-Oriented Programming (OOP) - Knowledge of SOLID Principles, Design Patterns, and Best Practices - Experience building scalable and high-availability applications **Key Responsibilities** - Collaborate with business stakeholders to gather and analyze requirements - Design and develop scalable web applications using .NET technologies - Build and maintain RESTful APIs and Microservices - Develop responsive user interfaces using Blazor and Razor Components - Integrate Azure cloud services and AI-powered solutions - Troubleshoot, optimize, and enhance existing applications - Participate in code reviews and ensure coding standards - Write and maintain technical documentation - Contribute to Agile ceremonies and sprint activities - Ensure application security, performance, and reliability **⚠️ Disclai** mer: Firstsource follows a fair, transparent, and merit-based hiring process. We never ask for money at any stage. Beware of fraudulent offers and always verify through our official channels or @firstsource.com email addresses.