Lead Performance Engineer Resume

SUMMARY:

A versatile Senior Performance Engineer bringing years of performance engineering experience and over a decade of Java development background. Skilled in troubleshooting, profiling and database analysis, credited for consistently successfully directing the software development process, including developing relevant test strategies and coordinating test resources, providing technical solutions and analyzing results, addressing performance bottlenecks, and delivering status reports and providing to developers.

PROFESSIONAL EXPERIENCE:

Lead Performance Engineer

Confidential

Responsibilities:

Conducted performance and scalability tests on IdentityNow, a cloud based identity governance product. Identify product limits, investigate production issues, established monitoring and profiling foundations, improved product scalability and performance.
Responsibilities include designing tests, setting up performance test environment, developing load generation scripts, profiling applications, identifying performance bottleneck, providing root cause analysis, and proposing performance enhancement solutions. Technologies involved: AWS platform, Kafka, ECS, Docker, Prometheus, Grafana, CodeGuru Profiling.

Performance Architect

Confidential

Responsibilities:

Examine product design and deployment, conduct performance testing on Zenos Cloud and Confidential Unified Network Monitoring and Analytics product series. Identify performance bottlenecks and provide recommendations to ensure product scalability and reliability.
Responsibilities include designing tests, setting up performance test environment, developing load generation scripts, profiling applications, identifying performance bottleneck, providing root cause analysis, and proposing performance enhancement solutions. Technologies used Google Cloud Platform, Kubernetes, Dataflow, Docker, BigTable, HBase, OpenTSDB, MariaDB, Python 2.7, Java EE.

Senior Principal Performance Engineer

Confidential

Responsibilities:

Conducted performance benchmark tests on Oracle Retail Point of Sale products. Provided comprehensive analysis/results and identified the weakness and strength of the product in responsiveness, scalability and reliability.
Responsibilities include creating test plan and test strategy, developing volume test data, building test environment, creating test scripts, executing load tests, monitoring resource utilization/network IO, analyzing results, tuning application under test/middleware/database, identifying performance bottleneck, producing final report/white paper and presenting to the product team. Technologies used Weblogic 10.3, Oracle 11gR2, Java EE, Java RMI, Web Services, Derby, HP LoadRunner, HP QuickTest Professional, Oracle Application Test Suite, AD4J, Memory Analyzing tools, AWR.

Lead Developer

Confidential

Responsibilities:

Design and implement major functionalities for a web based N - tier online routing and scheduling system.
As a lead developer, responsible for reviewing requirements, creating detailed design document, implementing critical functionalities, mentoring junior team members, allocating development work, and coordinating build and testing. Technologies used JBoss 4.x, SQL Sever 2000, Servlet, JSP, EJB 2.0, iBatis, Ant, JUnit and JWebUnit.

Client Application Specialist

Confidential

Responsibilities:

Design and implement customization layer of a web based N-tier sales coaching application for Telecom industry.
As a tech-lead, responsible for reverse engineering and migrating existing codebase to a new platform, architecting, designing, and implementing custom features, mentoring team members, identifying performance bottleneck, tuning the application, working with QA in setting up test environment and assisting the support team resolving deployment issues. Technologies used Tomcat 4.3/Websphere 5, SQL Sever 2000/Oracle 9i, Servlet, JSP, Apache AXIS, OJB, FreeMarker, Ant, JUnit and Mock Object.

Consultant

Confidential

Responsibilities:

Designed and implemented the data access framework for Child Support Enforcement System Web Portal. The framework allows transparent data access to heterogeneous databases (ADABASE on OS 390 and Sybase, Oracle 8I), provides Connection Pooling, one-to-one OR mapping, Dynamic SQL Generation for accesses to relational databases.

Developer

Confidential

Responsibilities:

Developed a three-tier application to manage the configuration of network devices.

Consultant

Confidential

Responsibilities:

Reverse engineered the legacy mainframe annuity payroll system in Java technology.
Designed and implemented performance enhancement patch for a mission critical process, improved thru-put by 30%.
Analyzed and designed the tuition reimbursement invoice process. Designed and developed a Check/Cash Tracking System. Maintained and enhanced the prepaid tuition system