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Fiserv

Software Development Engineer

Fiserv

Software Development Engineer at Fiserv designing and supporting software applications for financial institutions. Collaborating with teams to build secure, scalable solutions in a fast-paced environment.

Posted 7/24/2026full-timeOmaha • New York, Texas • 🇺🇸 United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Proficient in designing and developing software applications using C#, .NET, JavaScript, and SQL, with a strong focus on Agile methodologies and CI/CD practices. Demonstrates expertise in building Windows Forms, WPF applications, and REST APIs while ensuring high-quality code and system reliability.

Highest-signal resume keywords
C# DevelopmentASP.NET MVC/Core ApplicationsCI/CD PracticesAgile DevelopmentSQL Performance Optimization

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
C#JavaScriptSQL.NET Framework.NET CoreWindows FormsWPF ApplicationsREST APIsSOAP ServicesObject-Oriented Design
Tools & Technologies
FortifyWebInspectSonatypeDeployment AutomationTest-Driven Development
Industry Keywords
Agile DevelopmentScrumSoftware Security RemediationCode Quality ToolsContinuous Improvement

Tech Stack

Tools & technologies
ASP.NETJavaScript.NETSOAPSQLWPF

About the role

Key responsibilities & impact
  • Design, develop, enhance, and support software applications using C#, .NET, JavaScript, and SQL technologies
  • Build and maintain Windows Forms, WPF applications, Windows Services, REST APIs, SOAP services, and ASP.NET MVC/Core applications
  • Partner with business stakeholders, product teams, and application management to deliver software solutions from concept through production support
  • Design and optimize database solutions while troubleshooting complex application and SQL performance issues
  • Apply Agile development practices, including Scrum and Test-Driven Development (TDD), to deliver high-quality software
  • Support CI/CD processes, deployment automation, quality code initiatives, and security remediation activities
  • Participate in an on-call rotation and provide after-hours support to maintain system reliability and business continuity
  • Contribute to code reviews, technical discussions, and continuous improvement initiatives that promote engineering best practices

Requirements

What you’ll need
  • 3+ years of software development experience using C#, .NET Framework, .NET Core/.NET, JavaScript, and SQL
  • 3+ years of experience developing and supporting Windows Forms, WPF applications, Windows Services, REST APIs, SOAP services, and ASP.NET MVC/Core applications
  • 3+ years of experience applying object-oriented design and programming principles in enterprise software environments
  • 3+ years of experience with CI/CD practices, deployment automation, software security remediation, and code quality tools such as Fortify, WebInspect, and Sonatype
  • Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or an equivalent combination of education, work, and military experience

Benefits

Comp & perks
  • Health insurance
  • Paid time off
  • Flexible working hours
  • Professional development opportunities