Spearheaded QA efforts for a university-wide financial platform managing fellowships, scholarships, salaries, and awards across 10+ user roles and 4+ departments, from design sprint to UAT. Integrated AI tools to accelerate documentation and QA tasks such as edge case identification, bug report generation, and test case drafting, improving productivity. Verified backend–frontend consistency using Postman for API testing and pgAdmin for SQL validations, uncovering data mismatches that could have affected award disbursements. Authored and executed 150+ detailed manual test cases across functional, regression, and exploratory scopes, ensuring end-to-end validation of features impacting Graduate Division, Advisors, Financial Staff, and Academic Programs. Simulated API load using JMeter and analyzed frontend performance via Chrome DevTools and Lighthouse, identifying UI bottlenecks and contributing to improvements in page load times. Triaged 100+ defects across sprints, driving resolution in collaboration with cross-functional teams and increasing sprint acceptance rate. Maintained a dynamic QA dashboard in Google Sheets integrated with Jira to track test progress, blockers, and coverage, enabling transparent sprint reporting and faster UAT cycles. Showcased product to the client.

Owned end-to-end QA for a Windows-based 3D imaging application used in aerospace manufacturing to analyze surface integrity and dimensional accuracy. Led manual testing across all SDLC phases as the only QA on the Scrum team, ensuring measurement precision for features like rifling depth and surface scratches. Reviewed and clarified requirements in Jira, developed 100+ test cases focused on usability, data accuracy, and real-world scanner alignment, and executed regression tests for every build. Validated data outputs using SQLite and leveraged Microsoft Event Viewer to trace integration-level errors, ensuring data consistency between scans and stored results. Collaborated closely with developers and stakeholders to triage defects and improve release quality, reducing post-demo issues. Coordinated and supported UAT sessions, providing test summaries and validation reports for client-facing demos.

Performed end-to-end manual testing for a cryptocurrency wallet focused on secure workflows, transaction accuracy, and real-time balance updates across multiple user scenarios. Validated critical operations such as login, fund transfers, and balance refreshes, uncovering edge case discrepancies and helping ensure a bug-free launch. Used OWASP ZAP and Burp Suite to intercept HTTP traffic, verify encryption of sensitive data, and simulate parameter tampering attacks to identify server-side vulnerabilities. Tested session handling and token expiration logic to ensure compliance with security standards and prevent unauthorized access. Leveraged Chrome DevTools to monitor API responses and frontend behavior, identifying key rendering delays and data mismatch issues. Conducted basic API load tests in JMeter to validate performance under normal transaction volumes and assess endpoint stability. Documented all test cases and findings in Jira with clear steps, evidence, and environment details, accelerating developer resolution time and enhancing sprint velocity.

Led QA for an RFID-enabled web-based scoring platform used in live entertainment centers to track players and update scores in real time based on performance. Designed and executed 100+ test cases covering game modes, RFID-triggered interactions, scoring logic, and leaderboard accuracy, ensuring smooth and immersive gameplay. Simulated real-world gameplay scenarios end-to-end, uncovering and resolving key issues in RFID-player tracking and score synchronization prior to production use. Verified backend accuracy using MongoDB and SQL Server Management Studio to confirm correct data capture and leaderboard calculations for multi-player sessions. Used Postman to validate RESTful APIs and Mockoon to simulate edge case responses for scenarios difficult to trigger via UI, improving test coverage and stability. Collaborated with developers via GitHub Desktop, Docker, and VS Code to align on implementation and test coverage, reducing miscommunication and rework. Supported UAT by building realistic game simulations, ensuring client confidence in the reliability of live scoring and leaderboard displays.

Contributed to QA for a digital advertising platform supporting travel and hospitality brands in optimizing campaigns across metasearch engines and social media. Operated in a dynamic Kanban environment, adapting to shifting priorities driven by live campaign timelines and urgent feature rollouts. Designed and executed 100+ manual test cases to validate campaign setup, performance metrics, analytics dashboards, and financial reporting workflows. Used TestRail to manage structured test runs and documented defects in Jira with complete reproduction steps and campaign-specific context to accelerate resolution. Verified backend calculations using SQL Server Management Studio, ensuring the accuracy of cost-per-click (CPC), return on ad spend (ROAS), and other KPIs critical to client success. Tested API endpoints with Postman for campaign creation, real-time performance updates, and reporting integrations, uncovering data mismatches before production release. Collaborated with developers and account managers to validate fixes, contributing to on-time campaign launches and reduced escalation from client teams.

Owned end-to-end QA for a smart locker retail solution spanning an iOS app and web admin portal, supporting product selection, cart management, and PayPal payments. Supported the product from initial development, leading QA across 3 major phases with zero critical defects. Designed and executed 200+ manual test cases covering mobile and web interfaces, locker-device interactions, and complex checkout flows on multiple iOS devices. Validated backend services built in C# and .NET Core 8.0 (hosted in Azure) using Postman, SwaggerUI, and Proxyman, focusing on API contract integrity, JWT-based authentication, and integration consistency. Used API testing and JMeter to simulate load on high-impact endpoints, contributing to backend optimization and improved API response time. Collaborated closely with developers to triage and resolve bugs in Jira, maintaining clear documentation and reducing bug turnaround time. Led UAT sessions and delivered sprint-end demos to clients, streamlining feature validation and strengthening stakeholder confidence.

Established QA governance aligned with ISTQB standards, improving process consistency and delivery quality across two nearshore offices. Designed and rolled out onboarding and continuous improvement programs for new QAs, accelerating ramp-up time. Recruited and coached junior testers, delivering internal workshops and documentation on QA fundamentals, test planning, and defect triage best practices. Promoted a unified QA culture through process alignment and knowledge sharing, boosting team efficiency and collaboration across projects. Led manual testing for a Pega-based healthcare application managing ID card generation and enrollment fallouts, ensuring compliance with regulatory workflows. Authored and executed test cases across full SDLC in a Scrum environment, aligning with complex business rules for healthcare eligibility and data validation. Used Jira for defect tracking and Google Sheets to manage test execution, coverage traceability, and release readiness across multiple deployments. Collaborated with cross-functional teams to validate critical healthcare workflows, ensuring system reliability for thousands of insurance transactions per cycle.

Designed and delivered a scalable Java-based automation demo using Selenium WebDriver and TestNG for Banco de América Central, demonstrating ROI of automated testing and laying the groundwork for future automation adoption. Built and maintained Jenkins pipelines for continuous test execution and integrated GitLab for collaborative version control and peer review across QA and Dev teams. Created reusable automation templates and internal QA artifacts for leadership visibility and cross-project use, reducing setup time for future automation efforts. Led internal automation enablement by developing and delivering an ISTQB-based training course covering test planning, defect lifecycle, and automation fundamentals using Google Docs, Slides, and Classroom. Mentored new QA engineers, helping them build foundational skills in test automation and instilling best practices for scalable and maintainable test suites.

Conducted end-to-end manual testing for a case management system at Nissan, enabling automotive technicians to diagnose and resolve vehicle issues efficiently. Validated key workflows including case creation, issue tracking, and resolution logic; tracked test progress and defects using Jira and maintained execution documentation in Google Sheets. Tested a healthcare platform at Blue Shield of California focused on plan configuration and policy management, ensuring system compliance with complex business rules and access controls. Verified RESTful APIs using Postman and SoapUI, and tested rule-driven behaviors within Pega BPM to confirm accurate system decisions and policy flows. Collaborated with cross-functional teams to respond to changing requirements while maintaining traceability and full test coverage across both projects.

Led manual and automated QA efforts for a PayPal platform handling unauthorized transaction disputes, ensuring accurate case handling and regulatory compliance. Manually validated workflows for dispute case creation, status transitions, and resolution logic using inputs from Jira and Rally, while documenting defects with full traceability. Developed UI automation scripts with Java, Selenium WebDriver, and TestNG to cover user flows including case submission and filtering; integrated scripts into Jenkins CI pipelines for continuous feedback. Automated API validations using RestAssured, verifying status codes, headers, and dispute metadata; supplemented exploratory testing with Postman and SoapUI to capture edge case behaviors. Ensured Pega BPM business rules triggered correct dispute actions and outcomes, contributing to reliable processing of high-volume transaction data. Used Git and GitHub for version control and collaborated closely with developers to extend coverage and improve test stability across environments.

Performed manual and exploratory testing for COBIS, Citibank’s core banking platform, validating account management, transaction processing, and financial report generation. Identified data inconsistencies and calculation errors through targeted testing, contributing to improved financial accuracy and audit readiness. Used MS Excel to prepare and validate test datasets, document results, and generate structured QA reports for internal stakeholders and compliance auditors. Collaborated with business analysts and developers to align test cases with banking workflows and regulatory requirements. Participated in backend logic walkthroughs to deepen understanding of interest calculations, ledger entries, and end-of-day processing.

Conducted exploratory and scenario-based testing for Tigo’s mobile services, validating plan activations, promotional campaigns, and device-specific behaviors across staging and pre-production environments. Identified and escalated critical service-impacting bugs related to plan logic and UI inconsistencies on mobile devices, helping prevent production incidents. Queried customer data, service configurations, and transaction logs using SSMS and Oracle to ensure backend accuracy and plan eligibility enforcement. Validated service activation and account balance APIs using Postman and SoapUI, ensuring seamless integration across mobile, backend, and billing systems. Delivered structured test reports and go/no-go recommendations to both technical teams and business stakeholders, supporting informed release decisions.

Contributed to the national imports management system by bridging end users, business analysts, and developers to ensure alignment between functional needs and system behavior. Authored user manuals and technical documentation to support onboarding, stakeholder communication, and system maintenance. Created detailed use cases and functional scenarios to clarify end-user interactions and validate compliance with business requirements. Modeled system workflows using StarUML, producing use case, activity, and class diagrams that helped guide functional design and data structure planning. Reported data inconsistencies and logic issues during system testing, directly contributing to platform stability and continuous improvement.

Supported internal Intranet systems by creating and maintaining technical manuals and user guides in MS Word, improving clarity for developers and operational staff across multiple departments. Contributed to system modeling efforts using SAP Power Designer, developing data flow diagrams and documentation to assist with internal tool upgrades and feature planning. Collaborated with IT helpdesk to configure Avaya phones, set up desktop environments, and validate network connectivity for customer service accounts, ensuring teams were fully operational and aligned with infrastructure standards.

Supported Hotels.com customers worldwide with reservations, modifications, and cancellations, handling high volumes of cases through internal CRM and ticketing platforms with precision and empathy. Ensured consistent service quality by accurately logging cases, tracking resolutions, and following up on escalated issues to maximize customer satisfaction. Promoted to floor supervisor, where I coached frontline agents in real time, resolved complex escalations, and liaised with internal departments to expedite urgent matters. Monitored team performance using Avaya Call Center tools, contributed to improved SLA adherence, and fostered a collaborative, service-driven environment. Built strong communication and problem-solving skills that served as a foundation for later roles in systems analysis and software QA.