What are the responsibilities and job description for the Senior C# Developer position at Eliassen Group?
Description
Hybrid Tues/Wed/Thurs Onsite in Rockaway Township, NJ
The organization seeks a senior backend engineer to support and enhance business-critical production applications within a C#/.NET environment. The role will design and maintain secure, scalable APIs and services, integrate with SQL Server, and work with complex business logic and workflows. Candidates must demonstrate deep .NET Core expertise, secure coding practices with OAuth, and ownership of CI/CD in a Microsoft-centric stack. This position focuses on backend delivery with unit testing and collaboration with a separate QA team.
This is a contract to hire opportunity. Applicants must be willing and able to work on a w2 basis and convert to FTE following contract duration. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $70.00 to $80.00/hr. w2
Responsibilities
Hybrid Tues/Wed/Thurs Onsite in Rockaway Township, NJ
The organization seeks a senior backend engineer to support and enhance business-critical production applications within a C#/.NET environment. The role will design and maintain secure, scalable APIs and services, integrate with SQL Server, and work with complex business logic and workflows. Candidates must demonstrate deep .NET Core expertise, secure coding practices with OAuth, and ownership of CI/CD in a Microsoft-centric stack. This position focuses on backend delivery with unit testing and collaboration with a separate QA team.
This is a contract to hire opportunity. Applicants must be willing and able to work on a w2 basis and convert to FTE following contract duration. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $70.00 to $80.00/hr. w2
Responsibilities
- Support and enhance business‑critical production applications.
- Perform new development, enhancements, and maintenance within a C#/.NET environment.
- Work extensively with complex business logic and process‑driven workflows.
- Design, build, and maintain secure, scalable backend services and APIs.
- Write clean, maintainable, well‑tested code aligned with best practices.
- Perform unit testing and collaborate with a separate QA team for full application testing.
- Participate in code reviews, technical discussions, and solution design.
- Contribute to effort estimation, progress tracking, and demos.
- Quickly learn internal frameworks, standards, and development processes.
- 7 years of professional software development experience.
- Strong expertise in C# and .NET with deep hands‑on experience in .NET Core.
- Experience with older .NET frameworks for legacy systems.
- Proficiency in asynchronous programming.
- Experience developing RESTful APIs.
- Experience with SignalR.
- Strong experience integrating APIs with Microsoft SQL Server.
- Experience securing APIs and services using OAuth and secure coding practices.
- Comfort with a Microsoft‑centric technology stack.
- Experience with CI/CD pipelines and DevOps workflows, managing pipelines directly.
- Familiarity using AI‑assisted development tools (preferred).
Salary : $70 - $80