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Resume

Software, EngineeR

SUMMARY:

  • 15 years of Software engineering experience, specialized in Performance Engineering for large - scale systems.
  • Passionate about designing, developing and delivering solutions to improve system reliability, scalability and performance.
  • Experience analyzing and interpreting large volume of production data (nonfunctional requirements) to understand throughput, latency, memory and CPU utilization
  • Review application architecture / business needs to create performance test strategy, Performance Test Framework, Test planning, Capacity Planning.
  • Experience in Performance testing E2E application in Agile process using multiple performance load testing tools to write performance test scripts, create test scenario, execute performance tests (Load/Stress/Endurance), monitor server resource metrics (CPU, Memory, Disk, Network etc.) and analyze/ profile/debug any performance bottlenecks and recommend
  • Communicate with multiple stakeholders on project status, issues, escalations.
  • Good experience of trouble shooting performance bottlenecks like Memory leak, application break points, Data base slowness, high CPU and memory utilizations
  • MobileWeb/App performance load testing using SeeTest .
  • Experience working in Waterfall, DevOPS, Agile, and Scrum methodologies as per project needs.
  • Experience in using UI profilers and deep understanding of chrome developer tools, HTTPWatch, Fiddler, Chrome Audits, Batarang, PageSpeed and Yslow tools.
  • Performance testing of applications hosted on Cloud (PCF) / SNE servers
  • Develop and mentor a high performance offshore team that works effectively with on-site performance members enabling near round the clock delivery ability
  • H ands-on experience with performance measurement, analysis, and optimization.
  • Experience identifying architectural bugs and improvements.
  • Experience designing and execution of performance test cases considering GUI, Functionality, Integration, System, Regression, User acceptance, Services and Database testing.
  • Playing Scrum master role for PE team and having great experience of creating scrum board/sprint management with Agile.
  • Participating in CI/CD pipeline for performance test plan; supporting DevOps.

KEY SKILLS:

  • Performance Engineering
  • DevOps
  • Site Capacity & Scalability Assessment
  • Communication and Problem solving
  • Testing tools evaluations
  • Application Performance Management
  • Continuous Discovery- Integration - Delivery - Measurement model
  • Requirements Analysis & Risk assessment
  • Team Leadership
  • Web & Microservices architecture

TECHNICAL SKILLS:

Load testing tools: HP Load Runner 12.xx, HP ALM 11/PC 9.x, Microsoft VSTS 2013/2017 JMeter 2.x/5.x, Neoload, Web Load 5.x, Exposure to Keynote

Profiling & Monitoring: AppDynamic, Splunk, Site Scope, NMON, Perfmon & SAP Abap utilities Akamai Mpulse, Dynatrace Synthetic Monitoring, Rigor, ReSharper Ultimate - Jet Brains Dot Trace/ Dot Memory profiler & Debug Diag

Database: Oracle (OEM /AWR/ ADDM reports), SQL Profiler, DMVs - SQL Server 2005/2008, RoboMongo and Mongo compass, IBM DB2, Cassandra

Workload Management: Adobe Analytics -Omniture, Splunk, Nihuo Web Log analyzer and Log Parser (IIS logs)

Client-side profiling: HTTP Watch, Fiddler, Chrome Dev tools, WebPageTest, Audit Lighthouse & Page Speed

Mobile tools: SeeTest (integration with VSTS and Load runner), Exposure to Perfecto Mobile

Testing Protocols Application: Web(html), SAP (Web & GUI), Siebel, Terminal RTE, Desktop Apps, Citrix ICA, Remote Desktop, Flex, Ajax TrueClient, ODBC, Web Services (Rest/SOAP) misc.

Mgmt. tools: JIRA, Quality Centre, Bugzilla, Bamboo, Github, BitBucket, TFS, Jenkins

Automation: Silk Test, QTP/ UFT, SoapUI

PROFESSIONAL EXPERIENCE:

Confidential

Software engineer

Environnent: .Net, Java, Angular, SQL Server, Oracle 11g/12c, DB2 Mainframes, Mongo DB

Load Testing Tools: HP ALM, HP Load Runner 12.53, VSTS 2013/15/17 Ultimate, JMeter, SilkTest

Monitoring Tools: AppDynamic, Splunk, Sitescope, Perfmon, RoboMongo, MongoCompass, ReSharper Ultimate - Dot Trace / Dot Memory profiler, Debug Diag, Dynatrace Synthetic Monitoring, Mpulse, Jmeter, Rigor (POC)

Misc. Tools: SeeTest, Omniture, Fiddler, Httpwatch, JIRA, Confluence, Source Tree, Bamboo, Bit Bucket

Responsibilities:

  • Achieved performance response time improvements of up to 100% for over 25 applications by help tuning code, databases, configurations and infrastructure.
  • Led several iterations of design optimization, code tuning and infrastructure tuning initiatives across Desktop and Mobile experiences that have resulted in over 30% performance improvement in terms of throughput and latency.
  • Help achieved 25% improvement in minutes saved by technical representatives after resolving performance issues in application digitization after analyzing customer surveys, application logs.
  • Less than 1% performance defects leakage to production environment.
  • Lead the Holiday-Readiness Performance engineering activity successfully for ~3 years with 99.5% availability.
  • Conceptualized, designed multiple tools, utilities and frameworks in the performance automation space to trend site performance while reducing performance testing time, effort and cost by ~20%.
  • Successfully led key initiatives to
  • Ensure the reliability of Browse & Search experience while migrating to Pivotal Cloud Foundry.
  • Migrated to a lower cost performance testing tool while supporting everyday performance testing activities
  • Lead crisis situation triage which involved complex problems while managing leadership and technical teams

Confidential

Software engineer

Environnent: SAP (ECC, Ariba, BPC, BI/BW, FSCD, USCD, RI, GL, AP) and Web applications, DB2 Mainframes, SAP Hana, Citrix applications

Load Testing Tools: HP ALM, HP Load Runner 12.53, SOAP UI, QTP/UFT and Jmeter

Monitoring Tools: Sitescope, Perfmon, NMON, SAP Abap utilities (transaction and server monitoring)

Misc. Tools: Fiddler, Httpwatch

Responsibilities:

  • Successful SAP Hana migration
  • Achieved performance response time improvements of up to 40% for over 10 applications.
  • Led several iterations of infrastructure tuning initiatives for HANA that have resulted in over 60% performance improvement in terms of throughput and latency.
  • Performance test SAP BW (XL) application using combinations of automation and performance tools i.e. UFT in combination with Load runner executing on Performance Centre.
  • PoC (Proof of Concept) for Perfecto Mobile and NeoLoad tools for Mobile Performance testing

Confidential, Simi Valley, CA

Software engineer

Environnent: SAP (ECC, Ariba, BPC, BI/BW, FSCD, USCD, RI, GL, AP), Web and Mobile applications, Remote Terminal, DB2 Mainframes, Hadoop, Cassandra, MQ, Oracle, SQL, Micro strategy, Teradata

Load Testing Tools: ALM 11, PCS 9.5, Load Runner 9.5/11.0., Jmeter, Neoload, Microsoft Remote desktop tool

Monitoring Tools: Site scope, Perfmon, NMON, Oracle Enterprise Mgr. (AWR, ADDM)

Misc. Tools: Fiddler, Httpwatch

Responsibilities:

  • Achieved performance response time improvements of up to 35% for over 5 applications by help tuning code and databases.
  • Led several iterations of design optimization, code tuning and infrastructure tuning initiatives that have resulted in over 20% performance improvement in terms of throughput and latency.
  • Less than 1% performance defects leakage to production environment.
  • Successfully led key initiatives to
  • Performance test Remote Desktop applications by introducing new tool (Microsoft Remote Desktop tool).
  • SAP BW Reporting application migration to Hana.

Confidential

Software engineer

Environnent: Web applications (C#.Net, Jscript), Oracle 9i/10g/11, SQL Server 2005/2008

Load Testing Tools: Performance Center Server 9.5, Load Runner 9.5, Webload 5.x, JMeter

Monitoring Tools: Perfmon, NMON, Oracle Enterprise Mgr. (AWR, ADDM), SQL DMV’s, SQL profiler

Misc. Tools: Fiddler, Httpwatch, SilkTest, Log Parser, Jet Brains CPU/Memory profiler, Debug Diag, Nihuo Web log analyzer, VSphere Client (VMs)

Domain Talent Management: Suite (LMS, LCMS, Performance mgmt.)

Responsibilities:

  • Help identified memory leak in ETL process and resolve it which improved the overall elapsed time performance by 45%.
  • Less than 1% performance defects leakage to production environment.
  • Help designed automation for Performance BuildVerficationTest tool for faster sanity testing of Product releases; this improved build verification check timelines by 200%.

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