C# Developer

Job ID: 112520
Location: Montgomery, Alabama  [On-Site]
Category: App/Dev
Employment Type: Contract
Date Added: 05/01/2026
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Role Summary
This contract position involves supporting a comprehensive application code migration, focused on transitioning various applications and services from .NET Framework 4.x to .NET 6. The role requires a detail-oriented developer with strong expertise in C# and .NET technologies. The successful candidate will collaborate closely with management and participate actively in code conversions, testing, and optimization efforts to ensure smooth migration and operational excellence.

Responsibilities

  • Participate in converting and migrating web applications and web services from .NET Framework to .NET 6 and above, primarily using C#
  • Rewrite ASP.NET WebForms code into Blazor Server applications utilizing custom frameworks and libraries
  • Convert WCF web services into RESTful APIs built on modern .NET platforms, adhering to best practices
  • Follow established developer guidelines and coding standards during development and migration activities
  • Conduct functional testing to verify the accuracy and reliability of migrated code
  • Collaborate with management through regular meetings, code reviews, and documentation updates
  • Debug and optimize code to improve performance, maintainability, and reliability
  • Write and maintain SQL queries to interact with Microsoft SQL Server databases
  • Ensure compatibility and performance standards are met throughout the migration process
  • Document migration procedures, issues encountered, and resolutions for future reference

Qualifications

  • Minimum of 1 year experience developing in C# with a focus on .NET frameworks and platform conversions
  • Proficiency in at least one programming language, with strong preference for C# and .NET technologies
  • Understanding of software development best practices, including code versioning, testing, and documentation
  • Experience rewriting legacy web applications using modern frameworks such as Blazor Server
  • Knowledge of converting WCF services into RESTful APIs
  • Ability to write efficient SQL statements and work with Microsoft SQL Server databases
  • Strong problem-solving skills and attention to detail in debugging and performance tuning
  • Availability to work on-site in the designated location.
  • Ability to adhere to project deadlines and team guidelines.
  • In compliance with federal law, all persons hired must verify their identity and eligibility to work in the United States and complete the required employment eligibility verification form upon hire. Candidates must be legally authorized to work in the United States.

Publishing Pay Range: $25.00 – $35.00 hourly USD

This position is based in office and requires employee to work on-site.

About GDH:
At GDH, we believe in the power of people and the importance of caring. Our culture statement, “We care about people,” isn’t just a tagline – it’s the core of everything we do. GDH is a premier staffing and talent solutions company dedicated to helping businesses find the best talent and assisting job seekers in finding their dream jobs.

Who We Are:
GDH, founded in 2001, has grown into a leader in providing staffing solutions across various industries. We specialize in IT across several sectors, connecting top talent with leading enterprises. As a Best of Staffing firm recognized for excellence in client, employee, talent, and women’s services, we pride ourselves on our commitment to quality and service.

GDH Benefits

GDH offers a range of employee benefits that are designed to promote well-being and help maintain a healthy work-life balance. These comprehensive benefits cover various aspects of an employee’s life and aim to enhance their overall experience with the company. Our health benefits include three medical insurance options with access to KISx Card, Zero Card, and HealthJoy concierge services. Other plan offerings include dental, vision, life, disability, supplemental insurance, and pet insurance plans. Enjoy additional perks like holiday pay, 401(k) plan, direct deposit, an employee referral program, work-life balance benefits, a Wellbeats membership, a discounted gym membership program, and more!  For more detailed information on benefits, please go to GDH’s website under the tab for candidates.

GDH provides equal employment opportunities (EEO) to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, gender, sex (including pregnancy), sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, ancestry, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable federal, state, and local laws. Applicants with disabilities who require an accommodation or assistance in applying and/or for interviewing, please contact our HR Department.

Please visit our notice of collection for California applicants.

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