VetsEZ is currently looking for a Senior .NET Developer for a 100% remote position supporting a large federal government healthcare modernization project. In this role, you will design, develop, and maintain secure, scalable .NET-based APIs that power an Azure integration platform connecting CRM applications with enterprise backend databases. You will collaborate with architects, frontend developers, backend data teams, and QA engineers to deliver high-quality API solutions while supporting the modernization of existing .NET Framework services to .NET Core.
The ideal candidate will have extensive experience building RESTful APIs using C# and ASP.NET Web API, implementing secure authentication mechanisms, and delivering enterprise-grade integrations through Agile development practices. Experience with Azure cloud services and AI-assisted development tools is preferred to help improve development efficiency and software quality.
The candidate must reside within the continental US.
Responsibilities
- Design, develop, and maintain RESTful APIs using C#, ASP.NET Web API, .NET Framework, and .NET Core while implementing secure authentication using OAuth, JWT, or similar authentication protocols.
- Develop, package, and deploy API solutions through automated CI/CD pipelines and publish services using Azure API Management for routing, versioning, policy enforcement, monitoring, and security.
- Develop and execute unit, integration, and functional testing for .NET APIs to ensure application quality, performance, and reliability.
- Collaborate with frontend developers, backend data providers, architects, and QA teams to define API designs, integration strategies, and testing approaches.
- Troubleshoot, analyze, and resolve production issues while maintaining detailed technical documentation and supporting ongoing platform enhancements.
- Leverage AI-powered development tools to improve coding efficiency, testing, debugging, and overall software delivery within an Agile environment.
- Take on additional tasks and responsibilities as needed to support team objectives and ensure the success of the project.
Requirements
- Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field, or equivalent professional experience, with 7+ years of experience developing enterprise applications using Microsoft .NET technologies.
- Advanced experience developing RESTful APIs using C#, ASP.NET Web API, .NET Framework, and .NET Core.
- Strong experience implementing secure authentication and authorization using OAuth, JWT, or similar identity and access management protocols.
- Experience with CI/CD pipelines, API deployment, Azure API Management, and software testing methodologies within enterprise application environments.
- Strong analytical, troubleshooting, and problem-solving skills with excellent attention to detail and technical documentation abilities.
- Excellent communication and collaboration skills with experience working in Agile software development teams and cross-functional technical environments.
Additional Qualifications
- Experience with Microsoft Azure services, Azure App Services, Azure API Management, and cloud-native application development.
- Experience migrating enterprise applications from .NET Framework to .NET Core or modern .NET platforms.
- Experience supporting Department of Veterans Affairs (VA), Department of Defense (DoD), or other federal healthcare modernization programs, along with experience using AI-assisted development tools such as GitHub Copilot or ChatGPT.
Benefits
- Medical/Dental/Vision
- 401k with Employer Match
- PTO + Federal Holidays
- Corporate Laptop
- Training Opportunities
- Remote Opportunity
Note: Selected candidates will be required to complete fingerprinting at a government facility and undergo a background check as part of the hiring process.
VetsEZ is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability, or protected veteran status.
Sorry, we are unable to offer sponsorship at this time.
Skills Required
- Bachelor's degree in Computer Science, Software Engineering, IT, or equivalent experience
- 7+ years developing enterprise applications using Microsoft .NET technologies
- Advanced experience developing RESTful APIs using C# and ASP.NET Web API
- Experience with .NET Framework and migrating or developing on .NET Core/modern .NET
- Strong experience implementing secure authentication/authorization (OAuth, JWT, or similar)
- Experience with CI/CD pipelines and API deployment in enterprise environments
- Experience with Azure services, including Azure API Management and Azure App Services
- Experience with unit, integration, and functional testing for .NET APIs
- Experience working in Agile teams and collaborating with frontend, backend, architects, and QA
- Strong analytical, troubleshooting, documentation, and communication skills
- Residence within the continental United States
- Ability to complete fingerprinting at a government facility and pass a background check
- Experience with AI-assisted development tools (e.g., GitHub Copilot, ChatGPT)
- Experience supporting VA, DoD, or other federal healthcare modernization programs
What We Do
VetsEZ is a digital services firm with expertise in the rapid delivery of modern, user-centric, and data-driven digital solutions that helps the federal government serve our people better. We accelerate the missions of our federal partners through human-centered design (HCD), DevSecOps practices, and automation and by leveraging the power of artificial intelligence, machine learning, and cloud computing in public and private clouds. VetsEZ is a mature Service-Disabled, Veteran-Owned Small Business (SDVOSB), appraised at CMMI-DEV L3 and certified as an ISO 9001, ISO 20000-1, and ISO 27001 company. VetsEZ is a prime contractor on VA T4NG, NITAAC CIOSP3, SEC OneIT, and GSA MAS.







