Umer Mujtaba

Led and mentored a high-performing Test Engineering team, spearheading performance engineering, automation, and SRE functions for Mastercard's global payment gateway.

• Managed and mentored a test engineering team, fostering quality engineering best practices and driving team growth within a critical payment gateway environment.
• Spearheaded Performance Engineering, Automation Testing, and Site Reliability Engineering (SRE) functions for Mastercard's payment gateway across multiple regions, ensuring high availability and performance.
• Optimized testing frameworks and methodologies for high-volume transaction processing, enhancing system reliability and efficiency.
• Implemented robust automation solutions utilizing Playwright, Selenium, Postman, Insomnia, and Cypress, significantly improving test coverage and release velocity.
• Monitored and analyzed application performance using Dynatrace, Datadog, Splunk, and Grafana, proactively identifying and resolving critical issues.

Delivered critical automation and performance testing solutions, providing strategic insights to executive leadership and enhancing DevOps CI/CD processes for enterprise applications.

• Delivered comprehensive automation and performance testing solutions, presenting key findings and recommendations to executive leadership and key stakeholders.
• Developed advanced test strategies, workload modeling, and infrastructure automation, including chaos engineering, to enhance system resilience and stability.
• Implemented scripting and mocking for frontend applications, microservices, and JMS systems, improving testing efficiency and accuracy.
• Enhanced DevOps CI/CD processes by integrating automated performance tests and Ansible scripts, reducing deployment risks and accelerating release cycles.
• Managed automation testing utilizing UFT, Selenium, Cypress, and Cucumber following TDD/BDD methodologies, ensuring robust test coverage.
• Executed performance testing using Performance Center, JMeter, and Gatling, identifying bottlenecks and optimizing application performance across multiple tiers.
• Contributed significantly to the NAB Trade and MLC (NAB Wealth) DC Exit Project, ensuring successful migration and operational stability.

Led performance engineering and testing initiatives for a critical cloud migration to Microsoft Azure, designing and executing comprehensive strategies for enterprise applications.

• Led performance engineering and testing initiatives for the strategic cloud migration to Microsoft Azure, ensuring seamless transition and optimal system performance.
• Designed and executed comprehensive performance testing strategies for enterprise applications, identifying and mitigating critical performance bottlenecks.
• Coordinated cross-functional teams, ensuring alignment and successful achievement of migration objectives and issue resolution.

Directed performance testing and capacity planning for the migration of a legacy flight planning application to AWS, developing robust test strategies and managing testing teams.

• Led performance testing and capacity planning for the migration of a legacy flight planning application to AWS, ensuring system stability and scalability post-migration.
• Developed comprehensive performance test strategies, workload modeling, scripting, and stubbing for frontend applications, microservices, and JMS systems using JMeter, AppDynamics, Splunk, and Datadog.
• Collaborated effectively with architects on AWS server sizing and capacity planning decisions, optimizing infrastructure costs and performance.
• Managed testing teams and coordinated deliverables, ensuring timely and high-quality project execution.

Led performance testing and capacity planning for microservices and web portals during a single touch payroll migration to AWS, ensuring system readiness and optimal performance.

• Led performance testing and capacity planning for critical microservices and web portals during the single touch payroll migration to AWS with Right Scale, ensuring system stability.
• Analyzed JVM Performance Metrics and managed cloud server monitoring using various tools, optimizing application performance and resource utilization.

Provided expert technical test consulting services to various NSW Government departments, driving performance and automation testing strategies for key sector projects.

• Delivered high-impact consulting services to NSW Department of Education, Finance, Transport, State Plus, and Justice, enhancing their testing capabilities.
• Drove the development and execution of performance and automation testing strategies for critical sector projects, ensuring robust system delivery.

Led development, operations, and testing services for Telenor Group companies across multiple regions, overseeing mobile financial service operations and testing.

• Led development, operations, and testing services for Telenor Group companies and subsidiaries, contributing to global service delivery.
• Managed critical services for Telenor Sweden, Norway, Finland, Montenegro, and Pakistan, ensuring operational excellence across diverse markets.
• Oversaw testing and operations for Telenor Bank's mobile financial service, maintaining high standards of reliability and security.