Senior .Net Software Developer

Calling all innovators - find your future at Fiserv.

We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Senior .Net Software Developer

About Your Role:

At Fiserv, we are committed to advancing financial services technology to better serve our clients. As a Senior .NET Developer, you will play a key role in designing, developing, and maintaining robust, scalable software applications within our Sustaining Engineering team. Leveraging your expertise in C# and the .NET framework, you will collaborate with cross-functional teams to deliver high-quality solutions that align with strategic business objectives and client requirements. Your leadership and technical insight will help drive innovation and ensure the reliability and performance of our systems.

What you will do:

• Design and Develop: Build scalable and maintainable applications using .NET technologies
• DevOps Ownership: Manage CI/CD pipelines and ensure smooth deployments across environments and automate build & release processes for efficiency and reliability
• Code Quality & Governance: Implement best practices for coding standards, code reviews, and quality checks
• Production Support (On-Call): Participate in on-call rotation to provide timely support for production issues
• Perform root cause analysis and implement permanent fixes to prevent recurrence; Monitor application health & performance using appropriate tools and troubleshoot & resolve critical incidents under SLA timelines
• Coordinate with cross-functional teams for quick resolution of outages or performance issues
• Documentation: Maintain clear documentation for deployment processes, troubleshooting steps, and operational runbooks
• Continuous Improvement: Identify opportunities for automation and process optimization in development and operations

What you will need to have:

• 6+ years of experience in .NET Core, .NET Framework, and ASP.NET development
• Hands-on experience with source code management tools such as GitHub and TFS, including branching strategies and version control best practices
• Expertise in CI/CD pipelines using Azure DevOps or similar tools: Setting up and maintaining deployment workflows
• Integrating Code Quality checks, Static Code Analyzers, and Automated Testing
• Solid understanding of deployment processes (QA, CERT, Production)
• Experience with scripting languages like PowerShell or Bash for automation tasks

What would be great to have:

• Excellent problem-solving and troubleshooting abilities
• Ability to work independently and in collaborative team environments
• Strong communication skills for effective interaction with stakeholders and team members

How you'll work:

• Fiserv emphasizes in-person collaboration to help you grow your career while shaping the future of fintech; this role is on-site Monday through Friday
• This role requires work in an on-call rotation environment

Sponsorship:

• You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role

This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Illinois, Maryland, Minnesota, New Jersey, New York, Nevada, Rhode Island or Washington.

It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

Please note that salary ranges provided for this role on external job boards are salary estimates made by outside parties and may not be accurate.

Thank you for considering employment with Fiserv. Please:

• Apply using your legal name
• Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

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 contact 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.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

Warning about fake job posts:

Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.