Job#: 3043583 Job Description: Application Developer (.NET Modernization) - Contract
Location: Fort Worth, TX (Hybrid onsite)
We're seeking an experienced
Application Developer to modernize a legacy VB.NET application into a scalable, secure, and maintainable C#/.NET solution supporting a mission-critical public safety environment.
This is
not a simple code conversion project. The ideal candidate can analyze legacy applications, identify critical business logic versus technical debt, and design modern solutions using current .NET best practices.
Responsibilities
- Analyze and document an existing VB.NET application, including architecture, dependencies, and business rules
- Design and recommend a modern C#/.NET solution
- Modernize legacy functionality while preserving critical business requirements
- Create technical documentation, migration plans, and risk assessments
- Collaborate with stakeholders to validate requirements and define scope
- Support modernization efforts in a secure, highly regulated environment
Required Experience
- Strong experience with C#, .NET, and ASP.NET
- Ability to troubleshoot and maintain VB.NET/.NET Framework applications
- Experience modernizing or replacing legacy enterprise applications
- Hands-on experience with:
- HTML5, jQuery
- SSRS and SSIS
- APIs and system integrations
- RabbitMQ
- Knowledge of modern development practices, including:
- ASP.NET Core
- Dependency Injection
- Unit Testing
- CI/CD
- Async Programming
Preferred Qualifications
- Experience in public safety, government, law enforcement, healthcare, finance, or other regulated industries
- Familiarity with CAD systems, CentralSquare Technologies, or similar platforms
- Experience working with sensitive data, security controls, and change management processes
Ideal Candidate
- You have successfully modernized legacy applications, can reverse-engineer complex systems, communicate effectively with both technical and business stakeholders, and understand how to balance innovation with operational stability in mission-critical environments.
Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
Everforth Apex uses a virtual recruiter as part of the application process. Click for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at
Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.
Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at or . Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.
UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.
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