VALENS IJEOMAH
Performance Test Engineer
+1 - | Dallas, Texas |-| LinkedIn
SUMMARY
Experienced Performance Test Engineer skilled in Performance testing, analyzing, tuning, and optimizing
software applications for peak performance. Proficient in utilizing various testing methodologies to
identify and resolve performance bottlenecks, ensuring optimal system functionality and scalability.
PROFESSIONAL EXPERIENCE
Tezza Business solutions LTD – Charlotte, NC USA
Performance Test Engineer
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Performed root-cause analysis to identify and address source of memory leak malfunctions during
Performance testing projects on different client locations.
Collaborated with the software development team to resolve software performance defects with
90% success.
MTN Nigeria Communications PLC – Lagos, Nigeria
Performance Engineer
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Feb 2023 – Sept 2023
Developed performance test scripts and scenarios based on application requirements ensuring
accurate simulation of user behavior.
Executed Performance tests using JMeter (version 5.6.2) before product releases, identified
potential bottlenecks and made recommendations that improved product performance by 80%.
Coordinated load tests on the Kafka messaging service, Oracle DB and Apache Cassandra
databases that uncovered slow queries, inefficient indexing and deadlock issues.
Performed heap and thread dump analysis, resource utilization monitoring and application
tuning resulting in 35% improvement in application performance and memory usage.
Collaborated with the SRE team to deploy and manage the performance testing environments on
Amazon Elastic Kubernetes Service (EKS) before test execution.
Implemented AWS CloudWatch to monitor the health and performance of AWS resources before
and after performance testing thereby reducing downtime by 30% through proactive monitoring
and bottleneck identification.
Configured AWS Load Balancers during load tests to distribute requests across multiple EC2
instances ensuring optimal performance and resulting in a 25% improvement in user experience
during peak traffic periods.
Led efforts to optimize garbage collection algorithms in java-based applications, resulting in
significant improvements in memory management and application performance.
Liaised with development teams to implement performance enhancements and optimize system
architecture.
Fidelity Bank Nigeria PLC – Lagos, Nigeria
Performance Test Engineer (Lead)
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July 2022 – Oct 2023
Nov 2022 – Mar 2023
Analyzed Software Non-functional requirements and derived Performance testing strategy.
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Conducted workload modelling that determined the distribution of load across the bank’s online
retail and corporate application and identified critical business scenarios for testing.
Worked extensively with JSON for configuring test scenarios and handling data interchange
during scripting.
Designed and executed performance test plans for the Bank’s online retail and corporate portal
application, ensuring reliability and scalability under various load conditions.
Automated performance tests using Jenkins for CI/CD pipelines and managed version control
using Git resulting in 30% reduction in deployment time.
Leveraged Dynatrace and Grafana for real-time monitoring and visibility throughout the testing
process.
Partnered with cross-functional teams to troubleshoot the banking application’s front-end
performance issues and optimize system performance thereby increasing user satisfaction by
40%.
Improved system resilience by supporting the Chaos engineering team using Gremlin in
planning and executing Chaos game-day events ahead of the bank’s high traffic season.
Novant Health – Charlotte, NC USA
Performance Test Engineer
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Tested for browser compatibility of individual web application pages on mobile and desktop
viewports using BrowserStack before the performance test scripting process.
Improved the performance of Node.js applications by 30% through conducting comprehensive
performance analysis to identify and address bottleneck.
Achieved a 50% reduction in response times by implementing caching strategies using Redis to
improve application performance.
Documented and reported test findings, performance metrics, and key insight to stakeholders.
Bitxbase Technology – Lagos, Nigeria
QA / Performance Test Engineer
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Feb 2019 – Jan 2022
Carried out Performance testing using JMeter to evaluate and optimize the load handling and
responsiveness of web pages prior to release.
Prevented project delivery delays using Jira to facilitate project tracking and documented bugs
using Jira application.
Provided feedback on performance tests during backlog refinement meetings.
SwipeTech Limited – Lagos, Nigeria
Performance Test Analyst
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Aug 2022 – Mar 2023
Feb 2017 – Jan 2019
Analyzed Software Non-functional requirements and derived Performance testing strategy
through effective collaboration with the enterprise team.
Developed performance benchmarks and key performance indicators (KPIs) to track application
performance improvements.
Conducted performance testing for the company's web applications to ensure optimal
performance before the official launch and created detailed reports for stakeholders.
Performed root cause analysis of performance issues, leading to a reduction in the company's
web application average page load time by 20%.
Efritin.com (Saltside Technologies) – Lagos, Nigeria
Performance Test Analyst
Aug 2014 – Jan 2017
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Executed API load tests with JMeter and LoadRunner to ensure performance of web services
under high traffic conditions.
Engaged with Senior Performance testers to implement performance enhancement and validate
results.
Prepared Performance test reports after tests.
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July 2012 – August 2013
Litec Foundation Schools– Lagos, Nigeria
Database Administrator
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Managed and maintained the school’s database system, ensuring data integrity, security and
availability.
Provided Technical support and troubleshooting for database-related issues to school staff.
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EDUCATION
IMO STATE UNIVERSITY, Owerri.
Bachelor’s Degree in Statistics
NOV 2010 – MAY 2014
CERTIFICATIONS
Cloud Performance Engineering – Isha Training Solutions *Dec 2023
AppDynamics - Isha Training Solutions *Oct 2022
Performance Testing and APM *Feb 2014
SKILLS
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JMeter (v5.6.3)
Java OOP
Docker
Grafana
Prometheus
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AppDynamics
Ubuntu Linux
SQL
BlazeMeter
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Dynatrace
AWS
Postman
Gremlin
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Jenkins
VisualVM
Kubernetes
Eclipse MAT
