.NET Developer Experience: 3–5 years

CapeStart; Nagercoil; On-site; INR 900,000 - 1,300,000; Full time

Job summary

CapeStart is seeking a mid-level .NET Developer to design, build, and maintain scalable backend services and APIs using .NET Core and PostgreSQL or SQL Server. You will collaborate with frontend engineers, QA, and product teams, and may occasionally contribute to frontend features.

Ideal candidates have 3–5 years in backend C# with RESTful APIs, ORM experience, and strong knowledge of OOP/SOLID design patterns. Remote work is not specified; on-site or hybrid options may apply.

Qualifications

• 3–5 years in backend development with C# and .NET Core/ASP.NET Core.
• Experience building and consuming RESTful APIs with JWT/OAuth2 authentication.
• Strong DB knowledge in PostgreSQL or SQL Server, including indexing and schema design.
• Experience with ORM tools like EF Core or Dapper and migrations.
• Solid knowledge of OOP, SOLID, and common design patterns.

Responsibilities

• Design, build, and maintain scalable backend services and APIs.
• Work with .NET Core and relational databases to deliver high-performance apps.
• Collaborate with frontend, QA, and product teams; contribute to frontend features when needed.

Skills

C#

.NET Core

REST APIs

JWT/OAuth2

PostgreSQL

SQL Server

Entity Framework Core

Dapper

OOP

SOLID

Design patterns

Git

Unit testing

Async programming

Dependency injection

Middleware

Debugging

Communication

Job description

We are looking for a mid-level .NET Developer to design, build, and maintain scalable backend services and APIs. You will work with .NET Core and relational databases (PostgreSQL or SQL Server) to deliver robust, high-performance applications, collaborating closely with frontend engineers, QA, and product teams. Experience with Next.js is a plus, as you may occasionally contribute to frontend features.

Required Skills & Qualifications

• 3–5 years of hands-on experience in backend development with C# and .NET Core / ASP.NET Core.
• Strong experience building and consuming RESTful APIs (Web API); familiarity with authentication/authorization (JWT, OAuth2, ASP.NET Identity).
• Solid working knowledge of at least one relational database—PostgreSQL or SQL Server—including schema design, indexing, stored procedures/functions, and query optimization.
• Experience with ORM tools such as Entity Framework Core (or Dapper), including migrations.
• Good understanding of OOP, SOLID principles, and common design patterns.
• Experience with Git and collaborative development workflows (pull requests, code reviews).
• Familiarity with unit testing frameworks (xUnit / NUnit / MSTest).
• Understanding of asynchronous programming, dependency injection, and middleware in .NET.
• Good problem-solving, debugging, and communication skills.