C# .NET Engineer

Fourthqtech; Hyderabad; On-site; INR 800,000 - 1,200,000; Full time

Job summary

A technology solutions provider in Hyderabad, India is looking for a skilled developer to build and scale .NET Core microservices and design secure backend APIs with OAuth 2.0. The ideal candidate will have solid SQL skills, knowledge of Azure, and experience with OAuth-based authentication. This role offers the opportunity to integrate Single Sign-On for enterprise applications and manage performance and security responsibilities in a dynamic environment.

Qualifications

• Strong hands-on experience with C#, .NET Core, microservices.
• Practical experience with OAuth-based authentication and authorization.
• Experience implementing SSO and API security.

Responsibilities

• Build and scale .NET Core microservices used in production.
• Design and implement secure backend APIs with OAuth 2.0 / JWT.
• Integrate Single Sign-On (SSO) for enterprise applications.

Skills

C#

.NET Core

Microservices

OAuth 2.0

API Security

SQL

Tools

Azure

Redis

Job description

• Build and scale .NET Core microservices used in production
• Design and implement secure backend APIs with OAuth 2.0 / JWT
• Integrate Single Sign-On (SSO) for enterprise applications
• Deploy and operate services on Azure
• Own SQL performance, caching (Redis), and reliability
• Ship code through CI/CD pipelines
• Take responsibility for security, scalability, and performance

What We Expect

• Strong hands-on experience with C#, .NET Core, microservices
• Practical experience with OAuth-based authentication and authorization
• Experience implementing SSO and API security
• Solid SQL skills and performance tuning
• Experience with Azure and Redis
• Understanding of secure coding practices