> Markdown version of [/jobs/ext/3976144-lead-net-developer](https://www.wearedevelopers.com/jobs/ext/3976144-lead-net-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead .NET Developer - **Company:** NTT DATA, Inc. - **Location:** Potomac, MD, United States - **Experience:** Expert - **Salary:** $112,942.0 - $188,238.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), .NET Framework, Agile Methodology, Artificial Intelligence, Amazon Web Services, Application Integration Architecture, ASP.NET MVC Framework, Automation of Tests, Microsoft Azure, Software Bug Management, C Sharp (Programming Language), Cloud Engineering, Code Review, Continuous Integration, DevOps, Distributed Systems, Microsoft Software, Microsoft SQL Server, Team Foundation Server, Systems Development Life Cycle, Software Engineering, Windows Workflow Foundation, Enterprise Application Integration, Enterprise Software Applications, .NET Core, GitHub Copilot, ReactJS, Backend, Git, Vue.js, AngularJS, Kubernetes, Data Management, Machine Learning Operations, Api Design, OpenAI Codex, Software Version Control, Docker, Microservices - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/lead-net-developer-rockville-md--700fee13-4136-4ea7-a87d-0f5385b2b07f ## About the Role Microsoft .NET, Microsoft .NET, Software Development, Technical Leadership, Application Integration, Technical Delivery, ASP.NET MVC, Microsoft C# (C Sharp), Scalable System Development, Enterprise Applications, * Minimum 10 years of experience with software development, designing and developing enterprise applications using Microsoft Tech Stack. * Minimum 6 years of experience with cloud platforms * Minimum 5 years of experience leading technical teams in Agile environments. * Minimum 5 years of experience with SQL Server, JavaScript frameworks, and enterprise integration patterns. * Minimum 5 years of experience with Agile/SCRUM development and version control (Git, TFS). * Minimum 3 years of experience building large scalable web and mobile based applications using React. * Ability to obtain/maintain a Public Trust Clearance Preferred Qualifications: * Master's Degree * Experience with React/Angular/Vue.js. * Experience with BDD, Windows Workflow Foundation, and microservices patterns. * DevOps experience including CI/CD, automated testing, and Docker/Kubernetes. * Experience with AI/ML integration, Azure Cognitive Services, or API-driven data platforms. * Excellent communication, customer-facing interaction, and cross-team problem-solving skills. ## Description NTT DATA is seeking a highly skilled Senior .NET Developer to support mission-critical modernization and application development efforts. This role blends advanced engineering expertise with architectural insight and cross-team collaboration. You will build high-performance .NET applications, guide integration across systems, provide technical leadership, and deliver solutions impacting federal scientific and administrative communities., Core Engineering & Architecture * Design and develop new features using C#, ASP.NET MVC, .NET Core, and modern architecture patterns. * Translate business needs into technical requirements and end-to-end solution designs. * Build scalable, secure, high-performance enterprise applications. * Provide technical leadership across multiple systems and integration layers. Lifecycle Delivery & Team Collaboration * Support full SDLC: design, development, testing, deployment, and sustainment. * Maintain and modernize existing applications while supporting new enhancements. * Work across cross-functional teams including product owners, QA specialists, and business stakeholders. * Manage backlog items including new features, bug fixes, and modernization work. Modernization, Cloud & DevOps * Contribute to migration toward cloud-native architectures in Azure or AWS. * Support CI/CD pipelines, secure deployments, and engineering best practices. * Integrate AI-assisted tools (GitHub Copilot, OpenAI Codex) to enhance development quality and velocity. Leadership & Quality * Mentor junior developers and contribute to code reviews and architecture reviews. * Ensure adherence to coding standards, documentation rigor, testing frameworks, and secure SDLC practices. * Troubleshoot complex issues spanning UI, backend, and distributed systems.