Suriya Narayanan Kalidasan Email & Phone Number

Purchase, Ny, Us

Purchase, Ny, Us

Purchase, Ny, Us

• Understand business requirements and help architect fine tune systems for better performance early in the development life cycle.• Understand the payment gateway services platform and what it does for customers, then do perf testing on apps, see how apps are behaving and come up with recommendations on how to do better.• Understand architecture stacks and performance patterns, in addition to performance tools, and performance testing.• Conduct software inspection, testing, verification and validation.• Create performance engineering deliverables (Test strategy, Test scripts, assemble Test data, Analysis Report, monitoring dashboards, etc.,) with strong tech skills, custom coding, not set to just perf testing, setting up perf tests in CI/CD pipeline using automation tool like Jenkins and their DSLs, release and check out how app is behaving/working. • Support performance testing and implementation of solutions to meet business and system requirements.• Maintain and execute performance tests.• Analyze and report testing results along with fixing code defects for performance.• Analyze API’s/apps production usage and logs with help of Splunk, create production/test environment Splunk dashboards for continuous log/usage monitoring thereby updating performance tests and debugging purposes.• Create Dynatrace Monitoring dashboards for pre-production environment for application profiling verification/assurance of critical systems and review systems for production performance readiness.• Enhance monitoring of non-production and production frontend apps from targeted regions via real-user and synthetic monitoring solutions like Dynatrace Synthetics, WebPageTest, etc.,• Communicate within and outside of teams, for removal of roadblocks, availability of dependencies for successful deliverable. • Monitor PostgresDB in Stage, UAT and Prod environment and performance required optimizations by scheduling analyze jobs in order to improve backend performance.

Beaverton, Or, Us

• Consult with teams in setting up performance architecture as part of the product development and maintenance.• Create and maintain Jenkins Micro jobs manually and through Jenkins DSL(Domain Specific Language) and produce pipelines involving performance tests and near time monitoring for the Microservices involved using Gatling, Scala AWS and SignalFx.• Work with platform teams to setup monitoring infrastructure using SignalFx as part of continuous deployment of the Microservices involved creating monitoring dashboards and alerts for service behavior in production.• Responsible for creating and maintaining Selenium Webdriver using Java and TestNG for functional validation of web based application.• Collect Non-Functional Business and System Requirements from product team and come up with performance test plan for different application releases.• Perform workload analysis on production system based on APM/RUM tools and come up with workload to be simulated in pre-production environment.• Responsible for creating, validating and maintaining the load test scripts across releases using loadrunner and also create API performance script using Gatling and Scala DSL• Responsible for maintenance of performance test artifacts like scripts, scenarios as well as the pre-production environment/configuration across multiple releases for running regression suite along with new use cases.• Utilize APM tools like New Relic, Dynatrace etc to identify performance issues if any, measure performance and throughput of the system and provide the development and business team with this data for each release enabling them to decide on release readiness in terms of application performance.• Responsible for completing performance stories assigned by resolving the dependencies and provide a demo on completed stories.• Responsible for mentoring/leading team members on performance testing process and activities.

Mclean, Va, Us

• Responsible for handling end to end performance engineering activity starting from NFR gathering till providing performance analysis report with recommendations to improve them.• Create/modify/maintain LoadRunner scripts for the use cases/critical transactions identified as part of NFR gathering for each of BAU as well as Sprint releases.• Create virtualized services using Virtualization tools like SOAP UI and HP Service Virtualization for external services as well as services outside of performance test environment.• Create/maintain JMeter scripts for web services and get them added to the build pipeline as part of CI process.• Responsible for identifying Key Performance Indicators and associated thresholds on the Capacity, Availability, Quality and Efficiency of engineered environments.• Act as SME to work with resources across various disciplines, lines of business and vendors in the analysis, tuning and troubleshooting of performance issues.• Provide a broad understanding of applications, platforms and underlying technologies at both the software andinfrastructure levels.• Mentor resources across the organization in encouraging and developing the performance discipline within the given application and infrastructure teams.• Complete application profiling, verification/assurance for critical systems and reviews systems for production performance readiness.• Manage customer relationships with the Business, Delivery and Technology Partner.

Teaneck, New Jersey, Us

• Collect the load test requirements, understands the system architecture and the components involved in the various applications, liaise with the clients and various teams for requirement collection.• Prepare the Traversal flow document, test plan documents and create performance automation scripts.• Conduct review meetings for test plans as well as for test scripts.• Execute various types of load tests (load, scalability, endurance tests) based on requirements, monitoring different tiers and collecting system metrics like CPU, memory, disk, threads, etc.• Analyze the load test results and provide with performance report highlighting performance hotspots and recommendations to tune them.• Offshore Coordination.

Dublin 2, Ie

• Involved in getting application transition from the SMEs for this new engagement.• Build the applications, DB and deploying them into QA environment.• Responsible for creating and maintaining manual/automation uses cases across releases.• Executed the related regression test cases for new functionality added to the application.• Opened a defect through Jira on any defect identified in the application.• Sent out daily status report to onshore on test execution metrics.

Bangalore, Karnataka, In

• Reviewed the requirements and devised the test plan/strategy. Created Vuser scripts for the test cases identified.• Created new Vuser scripts or modifying existing VUser scripts for any functional change in the application.• Executed the scalability and endurance test to identify whether changes in application code impacts the performance of the application.• Analyzed the test results and reports the findings to the development team.• Monitored various application servers indicator (CPU Utilization, MB Free etc.,) and reports any abnormal behavior in them.• Collected heap dumps from the application server and identified memory leaks in the application. Worked with development team to fix the application performance issues.• Opened a defect through ClearQuest for any performance bottlenecks identified and retested once it was fixed.