Senior Client Tech Support Engineer

Fiserv

. Troubleshoot software application issues by replicating client-reported errors in integrated test environments .

Posted 9/23/2026full-timeNorth Carolina • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in troubleshooting software application issues, analyzing server logs, and providing Level II client support. Proficient in object-oriented programming, particularly with Java EE/J2EE and SQL, while possessing strong knowledge of digital payments applications.

Highest-signal resume keywords

Object-Oriented ProgrammingJava EE/J2EESQLTroubleshooting Production IssuesClient-Facing Technical Support

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Object-Oriented ProgrammingJava EE/J2EESQLXMLWeb ServicesHTMLJavaScriptTroubleshootingProcess ImprovementTechnical Documentation

Soft Skills

CollaborationClient SupportProblem SolvingCommunication

Tools & Technologies

Salesforce CRMMVC FrameworksJSPJSF

Industry Keywords

Digital PaymentsFinancial ServicesHigh-Availability SystemsHigh-Volume Transaction Systems

Tech Stack

Tools & technologies

J2EEJavaJavaScriptSQL

About the role

Key responsibilities & impact

Troubleshoot software application issues by replicating client-reported errors in integrated test environments
Analyze server logs, XML code and SSO data to identify root causes and support resolution
Provide Level II client support through phone, email and inquiry management tools
Collaborate with Product Management and Engineering to share client feedback and validate release readiness
Support existing CashEdge application releases
Build product knowledge across Digital Payments applications and share technical guidance
Develop tools, documentation and process improvements to improve support workflows and reduce recurring issues

Requirements

What you’ll need

6+ years of experience in object-oriented programming for scalable, secure and maintainable web applications
5+ years of experience troubleshooting production or test environment application issues using server logs, XML data, SSO information or similar diagnostic inputs
2+ years of experience developing or supporting applications using Java EE/J2EE and SQL
2+ years of experience supporting client-facing technical issues in a post-sales customer support organization
2+ years of experience working with web technologies such as XML, web services, HTML, JavaScript or similar technologies
2+ years of experience analyzing complex technical issues requiring research, replication, documentation and cross-functional resolution
Bachelor’s degree or higher in Computer Science, Engineering or related field, or equivalent combination of education, related experience and/or military experience
Currently possess valid and unrestricted U.S. work authorization
Flexibility to work overtime, including weekends and holidays
Experience in financial services or digital payments applications would be great to have
Experience using Salesforce CRM would be great to have
Experience with MVC frameworks and JSP, JSF or similar technologies would be great to have
Experience supporting high-availability or high-volume transaction systems would be great to have

Benefits

Comp & perks

Fuel Your Life program supporting physical, financial, social, and emotional well-being
Paid holidays and generous time away policies
No-cost mental health support through Employee Assistance Programs
Living Proof peer-recognition program with points redeemable for rewards
Eight Employee Resource Groups
Training, development, and internal mobility opportunities
Medical, dental, vision, life, and disability insurance options available from day one
401(k) match
Discounted shares through the Employee Stock Purchase Plan
Tuition assistance and reimbursement program
Paid parental and military leave