Senior full stack .Net Developer

Job Title Senior full stack .Net Developer What does a successful Senior full stack .Net Developer do at Fiserv? A successful Senior full stack .Net Developer at Fiserv designs builds and maintains high‑quality applications that support business goals and client needs. You partner with cross-functional teams to translate requirements into scalable, reliable solutions across the stack. You raise engineering standards through mentoring, strong delivery practices, and responsible use of AI‑assisted development tools. What you will do? Lead the design, development, and implementation of software applications to support Fiserv business goals. Collaborate with cross‑functional teams to gather requirements and translate them into technical specifications. Perform coding, testing, and debugging to ensure optimal performance and reliability. Maintain and improve existing codebases and lead peer review processes to strengthen quality and consistency. Mentor junior developers and provide technical guidance, including leveraging AI tools (GitHub Copilot in Visual Studio or ChatGPT Code Interpreter) to accelerate .NET UI development, generate documentation/unit tests (for example, XML comments), and refactor for maintainability and performance. What you must have? 10+ yearsof software development experience delivering production applications. 3+ yearsof programming experience withC#/.NET(Java/C/C++ acceptable in addition). 3+ yearsof experience withSQL databasesand3+ yearswithAWS, Azure, or GCPservices. 3+ yearsof experience withCI/CD + DevOpsand3+ yearsworking inAgile. What would be nice to have: 2+ yearsof experience infinancial servicesor payments technology. 1+ yearusing AI-assisted development tools (for example,GitHub CopilotorChatGPT Code Interpreter) to generate functions/classes, tests, and documentation. 1+ yearapplying AI tools to improve code quality (for example, refactoring UI code, suggesting performance improvements, and establishing cleaner patterns across large .NET projects). Salary Range $128,000.00 - $216,000.00 These pay ranges apply to employees in New Jersey and New York. Pay ranges for employees in other states may differ. It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran. For incentive eligible associates, the successful candidate is eligible for an annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company’s sole discretion. Our commitment to Equal Opportunity Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law. If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please . Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv’s Disability Accommodation Policy for additional information. #J-18808-Ljbffr