> Markdown version of [/jobs/ext/584609-senior-software-engineer](https://www.wearedevelopers.com/jobs/ext/584609-senior-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** Fiserv, Inc. - **Location:** Milwaukee, WI, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** .NET Framework, Agile Methodology, Amazon Web Services, Microsoft Azure, C Sharp (Programming Language), Code Review, Computer Networks, Concurrent Computing, Continuous Integration, Microsoft SQL Server, Scrum Methodology, Software Engineering, TCP/IP, Multithreading, Google Cloud, System Availability, Gitlab, Information Technology, Restful APIs - **Published:** June 12, 2026 - **Apply:** https://www.dice.com/job-detail/9e23952a-00df-44b2-b3a6-6015df94b43e ## About the Role REQUIREMENTS: Bachelor's degree in Computer Science, Engineering or a related field and 4 years in any job title involving software development experience in Credit and Debit payment processing. Prior experience must include 4 years in the following: Building and building enterprise-grade secure and high-throughput payment platforms; Developing in .NET, C#, REST APIs, and Microsoft SQL; Architecting and operating AWS, Azure or Google Cloud Platform services in production; Delivering software via Agile methodologies; Working within CI/CD using GitLab; Engineering high availability and highly scalable payment processing applications; Implementing TCP/IP and socket-based network communications; and Building asynchronous multithreaded architecture for concurrent processing and low-latency performance. ## Description DUTIES: Transform business needs into technical documents while spearheading application development. Ensure the quality of deliverables, conduct code reviews, analyze production challenges, and provide prompt resolutions. Design, code, and integrate new functionalities, implement security protocols, and ensure adherence to industry standards. Provide support to QA teams throughout the testing phase, prepare release documentation, and address any issues in a timely manner. Play an active role in project meetings and sprint planning sessions, and ensure that stakeholders are kept updated on progress and timelines. Support network certifications, manage application deployments, and collaborate with international teams to clarify requirements and develop effective solutions. ## Related Videos - [Are Code Reviews Worth It? Insights from 16 Years of Review Data](https://www.wearedevelopers.com/videos/1135-are-code-reviews-worth-it-insights-from-16-years-of-review-data) - [Fintech Rebellion: How Developers Are Disrupting the Future of Commerce](https://www.wearedevelopers.com/videos/596-fintech-rebellion-how-developers-are-disrupting-the-future-of-commerce) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [WeAreDevelopers LIVE - Modern DevOps for IoT Devices and More](https://www.wearedevelopers.com/videos/1805-wearedevelopers-live-modern-devops-for-iot-devices-and-more) - [Build a CI/CD pipeline to automate code reviews and ensure code quality](https://www.wearedevelopers.com/videos/349-build-a-ci-cd-pipeline-to-automate-code-reviews-and-ensure-code-quality) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) ## Related Articles - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [How Much Does a Software Engineer Make? Realistic Software Engineering Salaries](https://www.wearedevelopers.com/magazine/425-how-much-does-a-software-engineer-make-realistic-software-engineering-salaries) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)