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Core .NET Developer

FreelanceJobs
Full Timemid
CAPosted February 19, 2026

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SQLReactAzureGitHub ActionsGitGitHubRESTRabbitMQCI/CDDevOpsMicroservicesAPISaaS

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Job Description

We're looking for an experienced Core .NET Developer to join our team and help us build and enhance cloud-based applications.

You will work on backend services, REST APIs, database design, performance optimization, and integrations with third-party systems.

This is an ongoing role with consistent work for the right person.

Working Hours (Mandatory)

You must be able to work (and be available for team coordination) during:6:00 PM to 3:00 AM IST (India Standard Time)

Responsibilities

Build and maintain RESTful APIs using ASP.NET Core

Develop backend features using C# / .NET Core (clean architecture, SOLID)

Write and optimize SQL Server queries, stored procedures, and indexes

Integrate with third-party systems (APIs, webhooks, background jobs)

Implement authentication/authorization (JWT/OAuth, role-based access)

Debug production issues, improve performance, and ensure code quality

Participate in code reviews and follow best practices (logging, error handling, security)

Required Skills

C#, .NET Core / .NET 6+ (or strong .NET Core experience)

ASP.NET Core Web API (REST)

SQL Server (query optimization, procedures, data modeling)

Entity Framework Core / Dapper (either is fine)

Git, branch strategy, pull requests

Strong debugging and problem-solving skills

Good communication and task ownership

Nice to Have

Azure (App Service, Azure SQL, Functions, Storage, Key Vault)

Microservices, message queues (Service Bus / RabbitMQ)

CI/CD pipelines (Azure DevOps / GitHub Actions)

React/Node knowledge (if you can support full-stack tasks)

Experience with SaaS multi-tenant applications

Project Type

Ongoing development + enhancements

New API development + integration work

Bug fixes + optimization + refactoring

Contract duration of more than 6 months. with 40 hours per week.

Mandatory skills:

C#, .NET Core, SQL, API

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