C# Developer

C# Developer

Advanced Systems Design - Montgomery, AL, United States

Advanced Systems Design is seeking a C# Developer for our client located in Montgomery, AL.

This position is onsite in Montgomery, AL, and requires in-person availability starting day 1. Contract is expected to last 6-12 months. Candidates must be local.

Job Overview:

Our client is looking for a C# Developer to assist with migrating C# applications, web applications, and services/APIs from .NET Framework 4.x to .NET 6.

Responsibilities include:

Participate in conversions/migrations of web applications and web services from .NET Framework to modern .NET platforms, primarily using C#

Rewrite ASP.NET WebForms code into Blazor Server applications, using custom frameworks and libraries

Convert WCF web services into RESTful APIs built on .NET 6 and above, using custom frameworks and libraries

Adhere to developer guidelines and established coding standards

Perform functional testing to validate the accuracy and reliability of all code written

Collaborate with management through regular meetings and participation in code reviews

1 year of experience writing clean and maintainable C# code aligned with team guidelines and best practices

Debug and optimize code to ensure performance and reliability

Write code to interact with Microsoft SQL Server, including writing SQL queries

Required Qualifications:

Proficiency in at least one programming language, with preference for C# and .NET

Understanding of software development best practices

Experience writing SQL statements

Advanced Systems Design, Inc. is:

A leading Information Technology provider for Federal, State & Local government agencies.

A certified minority-owned small business government contractor with capabilities related to Public Health IT, Criminal Justice, Transportation, and Defense.

A certified service-disabled veteran-owned company with a proud 46-year track record of providing successful innovative solutions for our government customers.

A drug-free workplace in accordance with the Drug-Free Workplace Act of 1988.

Applicants who have a signed offer of employment or contractor agreement are subject to:

the pre-employment testing protocol:

background investigation

drug screening

Our Employees:

Are actively working on next-generation technology projects with the U.S. Department of Veterans Affairs, CDC, and a wide array of Federal, State, and Local agencies throughout the United States

Are eligible for wide-ranging benefits and perks, including but not limited to:

Comprehensive Health Insurance with PPO and HDHP/HSA options

Dental Insurance

Vision Insurance

Short/Long-Term Disability

Group Life Insurance - Company Paid

Voluntary Life Insurance

401(k) Plan with Employer Match

Paid Time Off (Vacation/Sick)

Holiday Pay - Company Paid Federal Holidays

Professional Certification Incentive Plan

Employee Referral Plan

Technology Exposure

Advanced Systems Design is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Salary Range $52,768 - $58,200

Posted: Wednesday, April 29, 2026

Job # 5837