India (Offshore) | Full time / Contract | 8–12+ Years Experience

Design and build scalable backend systems using C#, .NET Core, and modern cloud services.

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We are seeking a Senior .NET Developer with strong hands-on experience in designing, building, and maintaining scalable backend systems using C#, .NET Core, and Web APIs. The ideal candidate will play a key role in backend architecture, performance optimization, and integration with cloud-based services while collaborating closely with frontend, DevOps, and QA teams.

Key Responsibilities

Design, develop, and maintain backend services and APIs using C# and .NET Core
Build RESTful APIs and backend components supporting web and enterprise applications
Design and implement scalable, high-performance backend architectures
Work with microservices-based architectures and distributed systems
Ensure secure, reliable, and efficient data access and persistence
Optimize application performance, scalability, and reliability
Collaborate with frontend teams, DevOps, and QA for end-to-end delivery




Participate in architecture discussions, design reviews, and code reviews
Mentor junior engineers and contribute to backend best practices
Support production releases, monitoring, and issue resolution

Required Skills & Qualifications

8–12+ years of experience in .NET backend development
Strong expertise in C#, .NET Core / ASP.NET Core
Hands-on experience building RESTful Web APIs
Strong understanding of object-oriented design principles and design patterns
Experience with SQL Server and/or other relational databases
Solid understanding of microservices architecture
Experience with authentication and authorization (OAuth, JWT, role-based access)
Proficiency with Git-based version control
Experience working in Agile / Scrum environments
Strong problem-solving and communication skills

Good to Have

BDD experience (Behave)
Exposure to Docker / containerized testing
Cloud testing experience (AWS / Azure)
Performance testing

📌 Senior .NET Developer (Kolkata)
🏢 Vericence
📍 Kolkata