Lead .NET Developer

NTT DATA, Inc.; Rockville (MD); On-site; USD 113,000 - 188,000; Full time

Benefits offered by this job

Medical insurance

Dental & Vision insurance

Health Savings Account

Life & AD&D insurance

Short & Long-term disability

Paid time off

Employee assistance

401k with company match

Job summary

NTT DATA in Rockville, Maryland is seeking a Lead .NET Developer to guide enterprise modernization and application development efforts. You will design high‑performing .NET applications, mentor engineers, and collaborate with product owners, QA specialists, and business stakeholders.

This role emphasizes architectural leadership, secure SDLC practices, and a path toward cloud adoption on Azure or AWS, with responsibilities spanning design, development, and integration across multiple systems.

Qualifications

• 10+ years of software development with Microsoft tech stack.
• 6+ years of cloud platform experience.
• 5+ years leading technical teams in Agile environments.
• 3+ years building web/mobile apps with React.
• Ability to obtain/maintain a Public Trust Clearance.

Responsibilities

• Design and develop features using C#, ASP.NET MVC, .NET Core and modern patterns.
• Translate business needs into technical requirements and end-to-end designs.
• Build scalable, secure enterprise applications.
• Provide technical leadership across systems and integrations.
• Support full SDLC and sustainment; modernize existing apps.
• Collaborate with product owners, QA, and stakeholders; manage backlog.
• Move towards cloud-native architectures in Azure or AWS; support CI/CD and secure deployments.
• Integrate AI-assisted tools to enhance quality and velocity.
• Mentor junior developers and participate in code/architecture reviews.
• Ensure coding standards, documentation, testing and secure SDLC practices.
• Troubleshoot complex UI, backend and distributed system issues.

Skills

Technical leadership

Agile/SCRUM

Cross-functional collaboration

Mentoring

Architectural design

Education

Master’s Degree

Tools

Docker

Kubernetes

Git/TFS

Azure

AWS

React

Job description

We are currently seeking a Lead .NET Developer to join our team in Rockville, Maryland (US-MD), United States (US).

Job Summary:

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.

Job Duties:

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.
• 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.

Basic Qualifications:

• 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 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.

NTT DATA provides a reasonable range of compensation for specific roles. The starting pay range for this role is $112,942 - $188,238. Actual compensation will depend on a number of factors, including the candidate’s relevant experience, technical skills, and other qualifications. This position may also be eligible for incentive compensation based on individual and/or company performance. If the position offered in temporary, the position will not be eligible for incentive compensation. This position is eligible for company benefits including

• medical, dental, and vision insurance with an employer contribution
• flexible spending or health savings account
• life and AD&D insurance
• short and long term disability coverage
• paid time off
• employee assistance
• participation in a 401k program with company match
• additional voluntary or legally-required benefits

About NTT DATA

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners.NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

NTT DATA endeavors to make https://us.nttdata.com accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at https://us.nttdata.com/en/contact-us . This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here . If you'd like more information on your EEO rights under the law, please click here . For Pay Transparency information, please click here .

Nearest Major Market: Washington DC
Job Segment: Developer, .NET, Testing, Cloud, ERP, Technology