Senior .NET Full Stack Devloper (Onsite Hybrid)

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 (Onsite Hybrid) to join our team in Philadelphia, Pennsylvania (US-PA), United States (US).The ideal candidate shoud have strong expertise in web application development, SQL and the Insurance domain. The ideal candidate will be responsible for designing, developing, and maintaining scalable web-based applications while collaborating with business stakeholders to drive automation and efficiency.Job Responsibilities Include:Design, develop, test, and maintain web applications using .NET technologies, HTML, CSS, and JavaScript.Lead the end-to-end software development lifecycle, including architecture, design, coding, testing, and deployment.Build and maintain web-based applications supporting business functions within the Insurance domain.Collaborate with business teams to:Identify opportunities for process improvementsImprove operational efficiencyReduce costs and enhance revenueDevelop RESTful services and JSON-based APIs using ASP.NET Web API.Write clean, efficient, and reusable C# code using design patterns and best practices.Utilize Entity Framework (ORM) for database access and management.Create and optimize SQL queries and ensure efficient data handling.Manage source code using Git, including GitFlow workflows.Troubleshoot and resolve:Application defectsData inconsistencies in underlying databasesIssues in legacy-integrated systemsPerform patching, enhancements, and proactive maintenance for legacy applications.Basic Qualifications:5+ years of hands-on experience in .NET development.5+ years of strong experience with:C#ASP.NET MVC / ASP.NET Core.NET Framework and .NET Core/.NET 6+Web API and RESTful services5+ years of experience with Microsoft SQL Server.5+ years of experience with: Database design and normalizationWriting complex SQL queriesPreferred Experience:5+ years experience with modern front-end frameworksExperience with JavaScript, HTML5, CSS3.Strong logical and creative thinkingExcellent communication and stakeholder engagementAbility to manage multiple priorities in a fast-paced environment Education:Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience).NTT DATA provides a reasonable range of compensation for U.S.-based positions. The starting pay range for this role is $106,480 - $159,720 per annum. 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. 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, and additional voluntary or legally-required benefits.#L1-NorthAmericaAbout NTT DATANTT 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.Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com, @nttdatafed.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, .NTT DATA endeavors to make 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 . 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.Posting Date:06/29/2026Department:Emerging Technologies MFG, CI, FSI & EA - 1413710015