Senior .Net Developer

Full Stack Developer – AI-Focused Location: Onsite, Hybrid - 3x days / week – Washington, DC Clearance Required: Active Secret Join the Mission Improvix Technologies is seeking a motivated Full Stack Developer with hands-on AI tooling experience to support a fast-paced federal program delivering high-visibility mission outcomes. This role is ideal for a mid-level developer who thrives in collaborative environments and contributes across full stack development, AI-assisted engineering workflows, and operational support activities. You will work alongside senior developers and technical leads to build, maintain, and enhance applications built on Microsoft and modern web technologies — while leveraging AI-powered developer tools to accelerate delivery and improve code quality. What You'll Do Design, develop, and maintain full stack applications using .NET (C#/ASP.NET) on the backend and React on the frontend Build and consume REST APIs and integrate them with React-based user interfaces Develop scalable Node.js services and middleware to support application workflows Leverage AI-powered developer tools — including GitHub Copilot, OpenAI Codex, and similar assistants — to accelerate coding, code review, and documentation Integrate and evaluate LLM-based features and AI APIs (e.g., OpenAI, Azure OpenAI) into application workflows where applicable Design and build Power Apps (canvas and model-driven) to automate business processes and extend enterprise workflows Configure and manage Microsoft Dataverse as a data platform — including table design, relationships, business rules, and security roles Develop Power Automate flows to integrate Power Platform solutions with Microsoft 365, SharePoint, Teams, and external APIs Support and modernize legacy SharePoint-backed systems as part of ongoing migration and modernization efforts Perform operational support (O&M), bug fixes, and minor enhancements across the application stack Assist with deploying code changes and supporting frequent releases in a CI/CD environment Collaborate closely with technical leads and team members to meet delivery timelines Troubleshoot, debug, and test applications across frontend and backend layers to ensure stability and performance Work onsite with the team to support rapid collaboration and delivery What You Bring Required Qualifications Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience) 3–6 years of experience in .NET development (C#, ASP.NET MVC, ASP.NET Core) Proficiency in React — including hooks, component design, state management, and building responsive UIs Experience developing server-side applications or APIs with Node.js Demonstrated use of AI-powered developer tools such as GitHub Copilot, OpenAI Codex, or similar code-generation assistants in a professional setting Hands-on experience with Microsoft Power Platform — including Power Apps (canvas and/or model-driven), Power Automate, and Power BI Working knowledge of Microsoft Dataverse — including data modeling, table configuration, relationships, and security roles Familiarity with Microsoft 365 / Office suite — including SharePoint Online, Teams, Outlook, Excel, Word, and OneDrive — in a collaborative enterprise environment Experience with MS SQL, Entity Framework, and RESTful API design and consumption Familiarity with full stack deployment workflows and CI/CD concepts Experience using Git for source control and collaborative development Basic understanding of Active Directory and application security concepts Ability to work onsite in a federal environment (occasional Saturday hours may be required for deployment activities) Preferred Qualifications Familiarity with Dataverse for Teams and Power Apps embedded in Microsoft Teams Experience integrating LLM/AI APIs (e.g., Azure OpenAI, OpenAI API, Hugging Face) into production applications Familiarity with AI development platforms and prompt engineering techniques Experience with GitHub Actions, Azure DevOps, or similar CI/CD pipelines Familiarity with TypeScript for frontend and/or Node.js development Familiarity with SharePoint 2013 or newer in a supporting or legacy capacity Exposure to containerization tools such as Docker or Kubernetes Knowledge of Azure cloud services and deployments in a federal environment Understanding of Section 508 accessibility standards Why Improvix At Improvix Technologies, we don't just deliver IT solutions — we deliver mission success. Our teams support critical government programs by building secure, innovative, and scalable technology that enables agencies to operate more efficiently and securely. We believe great technology starts with great people. That's why we invest in our employees' growth, well-being, and long-term success. Our benefits include: Competitive compensation and performance-based incentives 401(k) with company match Three weeks of paid annual leave that increases with tenure Comprehensive medical, dental, and vision insurance Life insurance and disability coverage Transit and commuting benefits Professional development and paid training opportunities At Improvix, you'll join a collaborative, mission-focused environment where your expertise drives meaningful impact. Equal Opportunity Employer Improvix Technologies, Inc. is an Equal Opportunity Employer and is committed to building a diverse and inclusive workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status, or any other characteristic protected by federal, state, or local law. Improvix is committed to providing reasonable accommodations to qualified individuals with disabilities during the application and employment process. If you require assistance or accommodation, please contact our Human Resources team. Security Clearance / Citizenship Requirements Due to the nature of our government contracts, U.S. citizenship may be required for certain positions, and some roles may require the ability to obtain and maintain a U.S. government security clearance. Pay Transparency Statement In accordance with applicable laws and regulations, Improvix Technologies will not discharge or otherwise discriminate against employees or applicants for discussing, disclosing, or inquiring about compensation.