> Markdown version of [/jobs/ext/4623191-c-net-backend-developer](https://www.wearedevelopers.com/jobs/ext/4623191-c-net-backend-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# C#.NET Backend Developer

- **Company:** Sterling
- **Location:** Chicago, IL, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** ASP.NET, .NET Framework, Application Programming Interfaces (APIs), Amazon Web Services, Automation of Tests, Microsoft Azure, C Sharp (Programming Language), Cloud Computing, Profiling, Code Review, Continuous Integration, Relational Databases, Dependency Injection, Linux, Distributed Systems, Entity Framework, Identity and Access Management, PostgreSQL, Enterprise Messaging Systems, Microsoft SQL Server, OAuth, Object-Oriented Software Development, RabbitMQ, Openid Connect, SignalR, Software Engineering, SQL Databases, Systems Integration, WebSocket, Azure Service Bus, Data Processing, Okta, Software Security, Software Troubleshooting, Caching, Backend, Git, Kubernetes, Apache Kafka, Front End Software Development, Asynchronous Programming, Api Design, Grpc, Docker
- **Published:** November 7, 2026
- **Apply:** https://www.thejobnetwork.com/job/6d3194ef-cb1b-4a47-9158-94fcd72fbb6f/cnet-backend-developer

## About the Role

* Three or more years of professional software development experience using C# and .NET.
\n

 * Experience developing backend services and APIs with ASP.NET Core.
\n

 * Strong understanding of object-oriented design, dependency injection, and asynchronous programming.
\n

 * Proficiency with SQL and relational databases such as SQL Server or PostgreSQL.
\n

 * Experience with Entity Framework Core, Dapper, or similar data-access tools.
\n

 * Understanding of API security, authentication, and authorization.
\n

 * Familiarity with Git, automated testing, code reviews, and CI/CD pipelines.
\n

 * Strong troubleshooting, communication, and collaboration skills.
\n, * Experience with financial services, trading platforms, order management, or risk systems.
\n

 * Experience with messaging platforms such as Kafka, RabbitMQ, or Azure Service Bus.
\n

 * Familiarity with WebSockets, SignalR, or gRPC.
\n

 * Experience with OAuth 2.0, OpenID Connect, and identity platforms such as Keycloak.
\n

 * Familiarity with Kubernetes, Docker, Linux, and cloud platforms such as AWS or Azure.
\n

 * Experience with caching, distributed systems, and high-availability architectures.
\n

 * Experience profiling and optimizing concurrent, high-throughput applications.
\n

 * Familiarity with maintaining or migrating .NET Framework applications to modern .NET.
\n

## Description

We are seeking a .NET Developer to design, build, and maintain applications and backend services. You will work with product managers, frontend developers, and other engineers to deliver secure, reliable software, with a focus on API development, data processing, and system integration.