Supriya Nagella Prasannakumar
Jacksonville,FL
Summary
Experienced Lead Test Engineer with 17 years in software quality assurance across Banking, Healthcare, Robotics, and Workforce Management. Specializes in end-to-end QA strategies, including functional, automation, API, performance, and accessibility testing. Skilled in requirements analysis, test planning, and validating system performance. Recognized for mentoring teams and enhancing collaboration to improve system stability and support Agile delivery.
Overview
20
20
years of professional experience
1
1
Certification
Work History
Principal Software Quality Engineer
Medtronic
Jacksonville, FL
02.2024 - 05.2025
- Established and enforced software quality standards and processes to ensure consistent quality across projects.
- Evaluated software lifecycle activities, including requirements, design, development, and validation.
- Defined and tracked metrics to measure and improve software quality and reliability outcomes.
- Implemented reliability controls through prediction, stress, and performance testing to enhance software performance.
- Ensured compliance with project goals and regulatory requirements.
- Reviewed cybersecurity documentation, such as SBOM, STRIDE, and penetration testing reports.
- Adhered to Medtronic Navigation Quality System Practices, and relevant FDA, ISO, and EU regulations.
QA Lead
Symbotic
Wilmington, MA
01.2023 - 01.2024
- Increased test coverage by 35% by translating customer requirements into comprehensive functional and non-functional test strategies.
- Developed over 75 new test cases in collaboration with U.S. and Ukraine teams, executing automated regression testing using Selenium alongside manual testing to ensure release stability.
- Ensured comprehensive software validation across the application stack by partnering closely with SMEs, developers, and QA teams.
- Led product quality initiatives by providing test guidance and applying quality principles consistently.
- Participated in Agile/SCRUM ceremonies, enhancing team efficiency and streamlining workflows.
- Conducted performance simulations and benchmarking to align with PBR initiatives for connected systems.
Software QA Engineer 3
Beeline INC
Jacksonville
08.2014 - 01.2023
- Implemented test automation using Cypress for UI and API regression suites, improving test coverage and release confidence.
- Designed and executed API testing (REST) for functional, integration, and contract validation using Postman and Pact (consumer-driven contract testing).
- Planned and executed performance testing (load, stress, endurance, scalability) using JMeter, including workload modeling, scenario design, scripting, execution, monitoring, and reporting.
- Monitored test and production environments using AppDynamics, Splunk, and BlazeMeter, reducing MTTR by 50% through early alerts and root-cause analysis.
- Executed accessibility testing aligned with WCAG standards, identifying usability and compliance gaps while collaborating with teams on remediation.
- Performed cross-browser and mobile testing on real devices using BrowserStack, ensuring compatibility across browsers, OS versions, and mobile platforms.
- Integrated testing into CI/CD pipelines using GitLab, Azure DevOps, and Jenkins, enabling automated execution and improving feedback loops.
- Utilized JIRA and Hive for test management, defect tracking, reporting, and stakeholder communication.
- Led end-to-end testing initiatives covering performance, functional, API, accessibility, mobile, and cross-browser validation across web and cloud applications.
Senior Performance Test Engineer
CITI
Jacksonville
04.2011 - 07.2014
- Performed performance testing for data-driven web and business applications using HP LoadRunner and Performance Center.
- Identified performance bottlenecks, including deadlocks, database connectivity issues, and system crashes, enhancing overall application stability under load.
- Analyzed test results and developed performance reports, collaborating with system and development teams to resolve root causes, improving system performance.
- Monitored and troubleshot application performance using Wily Introscope and SiteScope.
- Utilized HTTP/HTML and Web Services protocols for portal, thin-client, and CRM applications.
Performance Test Lead
GE Healthcare
09.2006 - 06.2010
- Developed comprehensive performance test plans including scope, environment setup, data strategy, execution approach, and reporting.
- Created performance test scripts and data using LoadRunner (VUGen), with advanced enhancements such as correlation, parameterization, and custom functions.
- Diagnosed bottlenecks across OS, application, database, and network layers using system and resource monitoring tools, enhancing overall system performance.
- Analyzed key performance metrics, including response times, throughput, CPU/memory usage, and resource graphs from PerfMon and LoadRunner.
- Defined performance requirements for critical business use cases in collaboration with Marketing/Clinical Analysts.
- Wrote SQL queries to validate data operations and support defect analysis.
- Conducted capacity and scalability testing by increasing load across different server configurations, analyzing Oracle/SQL database performance to determine limits and optimize resource allocation.
- Published detailed performance reports with trend comparisons and 90th percentile KPIs, providing actionable insights for performance improvements.
Senior Performance Test Engineer
GE Healthcare
11.2005 - 09.2006
- Defined performance test objectives, plans, and realistic load-based scenarios derived from SRS and stakeholder inputs.
- Designed and executed performance, load, stress, and endurance tests using LoadRunner (8.1/9.5), including script creation in VUGen with correlation, parameterization, and custom logic.
- Identified and prioritized business-critical scenarios; prepared test cases and data to ensure thorough evaluation.
- Monitored and analyzed performance metrics using PerfMon and LoadRunner, identifying bottlenecks across web, database, and infrastructure layers.
- Investigated scalability issues involving SQL and Oracle database schemas; collaborated with teams to drive corrective actions.
- Produced performance reports with merged graphs, documenting failures and performance gaps for System Problem Reports.
- Developed and reviewed automated QTP scripts for functional and regression testing; established a dedicated regression testbed.
Education
Bachelors - Telecommunications Engineering
Skills
- Performance Testing: LoadRunner, JMeter, BlazeMeter, HP ALM Performance Center
- Automation Testing: Cypress, Selenium (WebDriver)
- API Testing & Validation: Postman, REST APIs, HTTP/HTML, API contract validation
- Cross-Browser & Mobile Testing: BrowserStack (real devices and browsers)
- Monitoring & Diagnostics: AppDynamics, Wily Introscope, PerfMon, SiteScope, Splunk, HP Diagnostics
- DevOps & CI/CD: GitLab, Azure DevOps, Jenkins, JIRA
Certification
- ISTQB Certified Tester, Foundation Level (CTFL)
- ISTQB Technical Test Analyst, Advanced Level (CTTA)
- ISTQB Performance Tester (CPT)
- Accredited Integration Specialist HP Performance Centre v9
- Attended in-person training on Bigdata/Hadoop
- Artificial Intelligence and Generative AI
Timeline
Principal Software Quality Engineer
Medtronic
02.2024 - 05.2025
QA Lead
Symbotic
01.2023 - 01.2024
Software QA Engineer 3
Beeline INC
08.2014 - 01.2023
Senior Performance Test Engineer
CITI
04.2011 - 07.2014
Performance Test Lead
GE Healthcare
09.2006 - 06.2010
Senior Performance Test Engineer
GE Healthcare
11.2005 - 09.2006