N Ernjakovic

Product support professional with extensive experience supporting payment technology solutions and merchant payment environments within financial services. Experienced in troubleshooting technical and operational issues, supporting payment products, resolving production incidents, collaborating with cross-functional teams, and delivering reliable solutions for merchants and business partners. Strong knowledge of payment processing, transaction lifecycle, merchant support, and customer-focused service within high-availability payment environments.

Family Caregiver - Self-Employed

(2022)

Providing caregiving support to a family member while actively pursuing professional opportunities

• Managing schedules, coordinating appointments, and balancing multiple responsibilities requiring organization, communication, and problem-solving skills

IT Senior Quality Assurance - Fiserv

(2016 - 2022)

• Supported payment applications by investigating technical issues, validating solutions, and assisting with production support activities
• Collaborated with Product Managers, Business Analysts, Developers, Operations Support, and Release Management teams to deliver payment technology solutions
• Analyzed business and technical requirements to support application enhancements and production releases
• Investigated transaction issues, validated application functionality, and assisted with issue resolution throughout the software development lifecycle
• Supported production readiness, application deployments, release validation, and post-implementation verification
• Performed SQL/DB2 validation to verify transaction processing, reconciliation results, and application functionality
• Executed browser-based and GUI testing to validate business workflows and customer-facing functionality
• Documented issues, tracked defects, validated fixes, and communicated testing and production status to project stakeholders
• Recommended process improvements that enhanced software quality and operational efficiency

Quality Assurance Analyst - Everlink Payment Services Inc.

(2012 - 2016)

• Supported payment processing and card issuance applications by validating business functionality and resolving technical issues throughout project delivery
• Collaborated with developers, business teams, and technical specialists to investigate issues and support successful implementations
• Performed functional, integration, end-to-end, certification, and security testing for payment applications
• Validated payment transactions involving Base24, Tandem HP NonStop, ISO 8583 messaging, ATM, and POS environments
• Supported certification initiatives for Interac, Visa, Mastercard, and American Express
• Tested Linux/Unix-based payment applications and validated business functionality against requirements
• Executed GUI testing and browser-based application testing to verify user workflows and application functionality
• Documented issues, validated fixes, and supported production implementations

QA Analyst - Moneris Solutions

(2007 - 2012)

• Supported payment product enhancements for merchant payment solutions across retail and eCommerce channels
• Collaborated with Product Managers, Developers, Business Analysts, vendors, and business stakeholders to deliver payment product enhancements
• Supported merchant payment initiatives including Visa Debit, EMV, fuel payment solutions, restaurant payment integrations, eCommerce functionality, and third-party payment solutions
• Investigated payment processing issues and worked with technical teams to resolve application defects
• Coordinated testing activities, certification initiatives, and production rollout validation
• Developed test plans, test scenarios, and execution documentation based on business requirements
• Validated payment processing using POS devices, payment simulators, and certification tools
• Participated in project meetings, defect reviews, release planning, and production readiness activities

Product Analyst - Moneris Solutions

(2004 - 2007)

• Supported payment product enhancements by working with Product Managers, technical teams, and business stakeholders
• Assisted with product implementations, issue analysis, solution validation, and documentation
• Supported merchant payment initiatives including Visa Debit and EMV payment solutions
• Contributed to payment product improvements that enhanced merchant functionality and customer payment experiences

Product Analyst - Continental Asset Management Technologies

(2000 - 2004)

• Supported financial software products by assisting clients with implementations, issue analysis, and solution validation
• Collaborated with technical teams to investigate application issues and support software enhancements
• Participated in product testing, documentation, and implementation activities