Full-Stack .NET Modernization Developer

Dice is the leading career destination for tech experts at every stage of their careers. Our client, Puresoft, Inc., is seeking the following. Apply via Dice today!Full-Stack .NET Modernization Developer 12+ MonthHybrid : Atlanta, GA (Tuesday Thursday) 7+ Years candidateWhat You Will DoApplication Modernization (Core of this Role)Lead the migration of legacy applications to MVC and .NET 8/.NET 10Refactor application architecture for maintainability, performance, and cloud readinessDesign and evolve RESTful APIs not just maintain themDevelop and support Azure Function Apps and cloud-hosted services on Azure App ServicesOwn SQL Server database work: schema design, query optimization, stored procedures, data cleanup, and version upgrades Frontend & IntegrationBuild and maintain React-based UI components as part of the modernization roadmapStrong understanding of Razor view engine for server-side UI renderingIntegrate third-party services and internal APIs; document every integration cleanlyImplement and maintain reporting using SSRS and Power BIParticipate in AI integration initiatives Azure Agentic AI services, Copilot tooling, and chatbot integrations where applicable Quality, Documentation & SupportWrite code that your teammates can read and maintain six months from nowProvide production support and own root-cause analysis when things breakMaintain application documentation, deployment runbooks, and user-facing guidesParticipate in architecture reviews, code reviews, and sprint ceremoniesRequired QualificationsThese are not aspirational. If you do not have these, do not apply.Experience8+ years of professional .NET development experience C#, MVC, Web APIDemonstrated, hands-on experience migrating legacy applications to modern .NET (6, 7, 8 or 10) not just exposureProduction SQL Server experience: stored procedures, T-SQL tuning, schema migrations, data cleanupAzure hands-on: App Services, Function Apps, deployment pipelines, configuration management5+ years delivering software in Agile (Scrum or Kanban) environments using ADO or GitHub WHAT HANDS-ON MEANS HEREYou have modernized a real application not a proof of concept from legacy to .NET 6/7/8/10You have designed and maintained RESTful APIs that external systems depend onYou have debugged production issues independently, without a team lead walking you through itPreferred QualificationsThese will make you effective faster.They are not dealbreakers, but they distinguish competitive candidates.React experience specifically building components within an existing application, not greenfieldExposer to .NET 10Power BI or SSRS reporting developmentExperience with government, healthcare, or public-sector systems you understand compliance, auditability, and data sensitivityFamiliarity with ADA/WCAG 2.1 AA accessibility standardsExposure to Azure Agentic AI services or integration of AI-driven features in production applicationsExperience with middleware platforms such as Boomi or MuleSoftBackground working with PII data and the security protocols that protect itEducationBachelor's degree in Computer Science, Information Technology, or a related field or equivalent work experience that demonstrates the same depth from your computer system.Note : Position Classification: Full-Time | Location: Atlanta, GA (Hybrid) | Division: Enterprise Applications & DataReporting to: Senior Director, Enterprise Applications, Data & PortfolioWhat This Role Actually IsDECAL's core licensing application is the original application that runs critical child care licensing and program eligibility workflows for the State of Georgia.We are actively modernizing it lifting to .NET 8+, rearchitecting APIs, integrating Azure cloud services, and layering in React on the frontend.This is not a maintenance job. You will be the technical lead on that modernization, not a support resource.You will work on a small, focused team.That means you own what you build. You will design it, build it, test it, deploy it, document it, and support it in production.If you need someone to hand you tickets and watch over your shoulder, this is the wrong role.Work Location: Must be physically located in Georgia.Hybrid: Tuesday Thursday on-site at DECAL headquarters, Atlanta (subject to manager discretion)Mandatory in-person: All Hands, Enterprise Applications meetings, DECAL All Staff, and designated on-site milestones