Senior .NET Full stack Developer

Senior .NET Full stack Developer - 26-02675 Hybrid/Onsite in Bala Cynwyd, PA 9+ Months Duration Temp W2 Contract with NTTD ONLY | NO C2C NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a Senior .NET Full stack Devloper to join our team in Bala Cynwyd, Pennsylvania (US-PA), United States (US). Job Description: Position Title: Senior .NET Full Stack Developer Location: Hybrid / Remote Experience: 8+ Years Role Overview We are seeking an experienced Senior .NET Full Stack Developer with strong expertise in API development, legacy application modernization, cloud technologies, and AI-assisted software engineering practices. The ideal candidate will be responsible for transforming legacy .NET Framework applications into modern, scalable, cloud-ready solutions while leveraging AI tools to accelerate development, testing, code quality, and productivity. Key Responsibilities Full Stack Development Design, develop, and maintain enterprise-grade web applications using C#, ASP.NET MVC, ASP.NET Core, .NET Framework 4.x, .NET 6/7/8, and modern front-end frameworks. Develop responsive and user-friendly applications using Angular, React, JavaScript, TypeScript, HTML5, CSS3, and Bootstrap. Implement scalable and maintainable architecture following industry best practices and coding standards. API Development & Integration Design and develop RESTful APIs and microservices using ASP.NET Core. Integrate applications with internal and external systems through APIs, messaging platforms, and service-oriented architectures. Implement API security using OAuth2, OpenID Connect, JWT, Azure Entra ID (Azure AD), and other authentication mechanisms. Legacy Application Modernization Assess and analyze existing .NET Framework 4.x applications for modernization opportunities. Migrate monolithic applications to modern .NET (6/7/8) architectures. Refactor legacy code, eliminate technical debt, and improve application performance and maintainability. Modernize authentication and authorization mechanisms to support cloud-native identity solutions. Re-architect applications for containerization and cloud deployment on Azure. Cloud & DevOps Develop CI/CD pipelines using Azure DevOps and GitHub Actions. AI-Driven Development & Testing Leverage GitHub Copilot, Azure OpenAI, Cursor AI, and AI-assisted development tools to improve development productivity. Utilize AI for code generation, code reviews, refactoring, documentation, and unit test creation. Implement AI-assisted automated testing strategies for functional, regression, and integration testing. Evaluate and adopt emerging AI technologies to improve software delivery and engineering efficiency. Establish best practices for responsible and secure use of AI in the software development lifecycle. Quality & Engineering Excellence Develop comprehensive unit, and end-to-end test suites. Perform code reviews and enforce secure coding practices. Optimize application performance, scalability, and reliability. Collaborate with architects, product owners, QA teams, and business stakeholders to deliver high-quality solutions. Required Qualifications Bachelor's degree in Computer Science, Information Technology, or related field. 8+ years of experience in software development using Microsoft technologies. Strong expertise in: C# ASP.NET MVC ASP.NET Core .NET Framework 4.x .NET 6/7/8 Entity Framework SQL Server Experience building RESTful APIs and microservices. Hands-on experience modernizing legacy applications. Strong understanding of software architecture patterns and design principles. Experience with Azure cloud services and DevOps practices. Experience with Git source control and Agile delivery methodologies. Strong problem-solving and communication skills. #LI About NTT DATA: Where required by law, NTT DATA provides a reasonable range of compensation for specific roles. The starting hourly range for this remote role is $60 to $69. This range reflects the minimum and maximum target compensation for the position across all US locations. Actual compensation will depend on several factors, including the candidate's actual work location, relevant experience, technical skills, and other qualifications. This position may also be eligible for incentive compensation based on individual and/or company performance. This position is eligible for company benefits that will depend on the nature of the role offered. Company benefits may include medical, dental, and vision insurance, 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, and additional voluntary or legally required benefits . NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at us.nttdata.com 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. 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