Senior Full-Stack .NET Modernization Developer

Worksite address2 M.L.K. Jr Dr SE #754, Atlanta, GA 30334Work LocationMust be physically located in GeorgiaHybrid: 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 milestonesIV In person or virutalWhat This Role Actually IsDECAL's core licensing platform is a mission-critical application that supports child care licensing,provider management, and program eligibility across the State of Georgia. We are in the middle of amajor modernization effort, moving from a legacy ASP.NET architecture to .NET 8+, modern APIs,Azure cloud services, and a React-based user experience. This is not a maintenance or production support role.This position is for a senior engineer who wants to lead modernization efforts, solve complextechnical problems, and help shape the future architecture of a statewide platform. You will play akey role in technical design decisions, application architecture, cloud integration, and delivery.Our team is intentionally lean. That means ownership matters. You will be expected to take a solutionfrom concept to production, including design, development, testing, deployment, documentation,and operational support. Success in this role requires initiative, accountability, and the ability to workindependently.If you're looking for a highly structured environment where work is narrowly defined and tasks arehanded to you step-by-step, this is probably not the right fit. If you enjoy building, leading, andowning outcomes, you'll thrive here. .What You Will DoApplication Modernization (Core of this Role)Champion the modernization of DECAL's mission-critical licensing and eligibility applications, transitioning legacy solutions to modern .NET and Azure-based architectures.Design and implement scalable, secure, and maintainable application solutions that reduce technical debt and improve long-term supportability.Build and evolve API-first integrations and services that enable future platform capabilities.Develop cloud-native solutions using Azure App Services, Azure Functions, and related Azure technologies.Own the SQL Server platform, including data architecture, performance tuning, data migration, and platform modernization.Implement and maintain CI/CD pipelines using Azure DevOps to automate testing, deployment, and release management.Drive engineering excellence through code reviews, automation, documentation, and adherence to modern development practices. F rontend & IntegrationBuild and maintain React-based UI components as part of the modernization roadmapDemonstrate a strong understanding of web application rendering patterns, including client side rendering (CSR), server-side rendering (SSR), component-based architectures, and modern frontend frameworks.Integrate 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 ceremonies Required QualificationsEXPERIENCE8+ years of professional .NET development experience - C#, ASP.NET MVC, Web APIDemonstrated, hands-on experience migrating legacy ASP.NET 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 ASP.NET 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 it Preferred Qualifications These 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 ccessibility 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 What We Value Beyond the Technical This team works on systems that affect real families in Georgia. We move fast because the mission requires it, but we do not cut corners on security, accessibility, or data integrity.Ownership: You finish what you start and you tell people early when something is at riskDirectness: You surface problems with a proposed fix, not just a flagClarity under pressure: You can explain a technical constraint to a non-technical stakeholder without condescending or drowning them in jargonAdaptability: Government systems change scope. Requirements shift. You adjust without drama About DECAL The Georgia Department of Early Care and Learning administers programs for approximately 300,000 children across the state, including child care subsidies, Pre-K, nutrition programs, and licensing for 10,000+ providers. The Enterprise Applications & Data Division builds and maintains the systems that make those programs run. This role directly supports the core licensing platform at the center of provider licensing and eligibility. Skill Required / Desired Amount of Experience React experience - specifically building components within an existing application, not greenfieldExposer to .NET 10 Required 3 Years Power BI or SSRS reporting development Required 3 Years Experience with government, healthcare, or public-sector systems - you understand compliance, auditability, and data sensitivity Required 3 Years Familiarity with ADA/WCAG 2.1 ccessibility standards Required 3 Years Exposure to Azure Agentic AI services or integration of AI-driven features in production applications Required 3 Years Experience with middleware platforms such as Boomi or MuleSoft Required 3 Years"All qualified applicants will be considered without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status."