Ashish Powar
Pune,MH
Summary
Providing web app performance assessment, capacity planning, code profiling, and framework performance validation via accurate performance testing to project teams , Create plan templates and organize test plans. Communicate perf test status, progress, ongoing risk assessments to project teams and business stakeholders effectively, Enable Elasticsearch monitoring APIs (e.g., Cluster Stats API, Node Stats API) to collect cluster-level and node-level metrics., Monitor Kafka performance using Prometheus and Grafana, gaining insights into Kafka cluster’s health, performance bottlenecks, and operational status., Part of Chaos engineering utilising internal OneLoad tool to point vulnerabilities, failure points, and areas needing improvement in the system's architecture and operational procedures by randomly terminating instances & introducing faults in a controlled manner, Implemented and administrating APM tool of Dynatrace for real time enterprise web app performance improvement, Developed Performance test scripts utilizing Jmeter , Loadrunner , K6 , Neoload for various application web, Microservices, device, MQ , EJBs , APIs etc, Defining load test environment in a scale-down version of prod system to save budget., Mentoring performance engineers on accurate performance assessment approach and random selection scripting for best real user simulation in performance testing, Work closely with architecture and infrastructure teams to calibrate web system performance between test and prod for accurate performance assessment and prediction
Overview
16
16
years of professional experience
Work History
Performance Test Architect
Amdocs
06.2022 - Current
- Improving performance maturity model for AT&T Digital to ensure performance, scalability, and Reliability of web apps.
- Working with architects to design performance tests for 30+ AT&T mission critical applications
- Monitoring topic, consumer, producer metrics in Kafka to ensure health, efficiency, and reliability of Kafka clusters utilizing prometheus kafka-exporter.
- Supported performance certification across varied AT&T applications - Web , Device, Message queue, Micro-services , EJBs, stored procedures.
- Work with other teams on Continuous Delivery Pipelines accurate performance testing practices.
- Architecting and developing inhouse bridge monitoring platform to consolidate performance metrics from different critical live data sources of Jmeter, Splunk, ElasticSearch, and other internal web apps.
- Providing hands-on Implementations to performance CI process.
- Developed performance trend reports to high management teams on pages of concerns - performance, user access, and system resources.
- Working on latest performance assessment methodology and trend.
- Continue developing auto accurate performance testing approach.
Performance Team Manager
TCS
07.2015 - 05.2022
- Worked closely with architects for performance test strategy building for top 10 clients as part of NGM
- Research on new tools and techniques and best solutions
- Refining performance engineering strategy, in line with new technologies, techniques and learning
- Participate in performance test delivery utilizing opensource tools like Apache Jmeter and injector setup on AWS.
- Utilizing monitoring tools like Appdynamics for bottleneck identification and rerun executions till all PT defects are eliminated
- Worked on mobile device performance testing utilizing tools like headspin to provide inputs in terms of fps, CPU & memory utilization , battery consumption, crash rate
- Being an authority on, and advocate for, performance testing best practices utilizing tools like Jmeter, LoadRunner across NGM accounts
- Also worked with critical assignment requiring automation support for estimation automation effort and building selenium(Java) test scripts as and when required.
- Work closely with development teams for defect fixes and provide support to pinpoint the performance bottlenecks utilizing APM tools for component wise analysis
Performance Test Lead
Cognizant Technologies UK
01.2014 - 06.2015
- ▪ Participate in workshops to understand the scope of the project the timescales and NFT requirements
- ▪ Understand NFRs for AS-IS & TO-BE interfaces
- Understand solution architecture for AS-IS & TO-BE systems
- Analyse NFRs, identify gaps if any & capture additional data by interacting with various SMEs
- Business Analysts, Solution Architects & Project Owners
- Create risk assessment framework with factors which potentially impact the performance of the system
- Preparation of risk assessment summary prioritising components & scenarios that requires Performance testing
- Recommend types of performance tests to be executed
- Reviewing & enhancing Vusers scripts prepared by the team and assisting the team in Analyses of the test results.
- Involved in monitoring and analysis phases of Performance testing, assisting in preparation Server and client side. Utilize dynatrace for overall application monitoring
Performance Test Lead
Cognizant Technologies
07.2012 - 08.2014
- Reestablished performance test best practice.
- Prepare detailed Test Plans and Test designs.
- Test queue based middleware systems and executing large volume load tests for payment system.
- Validating optimal queue depth and identifying bottlenecks in the payment systems.
- Testing multiple SWIFT payment types and validating they meet the SLAs
- Coordination with different infrastructure teams during the test execution and provide recommendation such as (but not limited to) timeout settings, JVM thread & JDBC connection pools, heap memory usage pattern tunings as when required on the respective components based on the performance testing results
- Designing scenarios and load testing for different user loads.
- Execute regression, endurance test runs to find the scalability, stability and response time of the identified transactions.
- Iterate test execution multiple times until all the transactions and performance metrics were within SLAs
Performance Engineer
Infosys Technologies
06.2008 - 07.2012
- Reestablished application performance standards.
- Managed performance testing life cycle along project SDLC.
- Performed detailed statistical and analytical calculations on work load models.
- Innovated random-walk scripting in LoadRunner for best matching web user access patterns in load test environment.
- Developed a set of C APIs in LoadRunner C language for reusability, maintainability, and extensibility of load test scripts.
- Correlated performance data with server, network, and database utilization carefully to detect bottlenecks in app/db servers.
- Provided root causes of performance issues to dev and operations teams.
- Managed LoadRunner licenses and trainings for cross team performance testing needs.
- Monitoring critical application metircs utilizing Appdynamics
Education
Bachelor of Science - Computer Engineering
Bhartiyavidyapeeth
06.2005
Skills
DynaTrace, Appdynamics , New Relic, Splunk, Jmeter, LoadRunner, k6 grafana, Gatling, Jenkins CI, ,JProfiler, JConsole, VisualVM, SiteScope, Introscope , Prometheus , ELK, Databases: Oracle, My SQL, MS SQL server, Influx DB, : Linux, AIX, Windows, Sun Solaris, Groovy, Java, Python
Skills
LoadRunner, Jmeter , K6, Gatling, APM tools AppDynamics, Dynatrace, Splunk, ELK, Prometheus, Pinpoint, architect, C, Java language, capacity planning, Device monitoring, Digital testing, client/server, Databases, Linux, Managing, memory, Mentoring, Windows, My SQL, Oracle, db, peak, performance analysis, monitoring , requirement, researching, scripting, UNIX
Timeline
Performance Test Architect
Amdocs
06.2022 - Current
Performance Team Manager
TCS
07.2015 - 05.2022
Performance Test Lead
Cognizant Technologies UK
01.2014 - 06.2015
Performance Test Lead
Cognizant Technologies
07.2012 - 08.2014
Performance Engineer
Infosys Technologies
06.2008 - 07.2012
Bachelor of Science - Computer Engineering
Bhartiyavidyapeeth
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