Benefits :
- Competitive salary
- Opportunity for advancement
- Training & development
Role : Senior .NET Developer – Mainframe Modernization
Location : Austin, TX - Remote
Why Join Us?
Remote work flexibilityLong-term contract with strong renewal potentialCollaborative Agile team environmentChance to influence enterprise-level architecture and modernization strategyAbout the Role
We’re seeking a Senior .NET Developer with prior experience supporting the Railroad Commission of Texas (RRC) , ideally in the LoneSTAR application . You’ll lead technical initiatives in a high-visibility mainframe modernization project—applying your deep expertise in .NET Core, C#, MS-SQL, JSON , and Azure technologies to build robust integrations and scalable APIs.
This position is ideal for developers with proven state agency experience who can independently navigate complex projects, collaborate across departments, and lead junior developers in delivering secure, high-quality software.
Key Responsibilities
Lead full SDLC efforts including architecture, coding, testing, deployment, and production supportBuild modern APIs and microservices using .NET Core, C#, and Azure stack (App Services, Functions, Logic Apps)Enhance and support the LoneSTAR application and associated RBDMS platformsDevelop secure, scalable, and testable code using CI / CD practices in Azure DevOpsCollaborate with cross-functional teams including PMs, BAs, architects, and DevOpsTroubleshoot and resolve complex technical issues and support after-hours deploymentsGuide and mentor junior developers, conduct code reviews, and contribute to a culture of technical excellenceRequired Skills & Qualifications
Bachelor's in Computer Science or related field8+ years of .NET development experience with C#8+ years in .NET Core and team-based environments2+ years of hands-on experience with the RRC LoneSTAR applicationStrong SQL Server experience, JSON, Swagger, and production support skillsAvailable for occasional night / weekend deployment supportDetail-oriented, self-driven, and comfortable leading initiativesPreferred Skills
Experience with GoAnywhere secure file transferAzure DevOps, Visual Studio IDE, Telerik / Kendo UIFamiliarity with microservices, SOA, REST APIsUnit test development and regression analysisPDF generation (e.g., iText), multi-environment Azure deploymentThis is a remote position.
