Summary
Overview
Work History
Education
Skills
Websites
Accomplishments
Roles And Responsibilities
Timeline
Generic

Rajasekhar

Performance Engineering/Testing
Hyderabad,Telangana

Summary

Results-driven Quality Engineer with 16+ years of experience specializing in Performance Engineering and Functional Automation. Skilled in performance testing, automation, profiling, and tuning of Java-based cloud products, cloud applications, and web applications. Proven track record of ensuring product excellence and compliance with industry standards through quality assurance methodologies and continuous improvement practices. Recognized for teamwork, adaptability, and consistent delivery of results in fast-paced environments. Trusted for reliability and proficiency in problem-solving and optimizing processes, with expertise in performance optimization, system tuning, and capacity planning utilizing advanced performance engineering techniques and tools to enhance system efficiency and reliability.

Overview

17
17
years of professional experience

Work History

Staff Quality Engineer

Lookout India technologies PVT LTD
Hyderabad
08.2014 - 05.2025
  • Identified and resolved memory leaks using Heap Dump analysis, leading to a significant reduction in GC overhead and improved application stability.
  • Optimized end-to-end transactions, improving average response times and throughput by 45% on CipherCloud's data security product.
  • Enhanced content matching techniques in CRT service by implementing optimized Regex patterns, reducing processing time.
  • Optimized proxy service performance by identifying top hotspots using JProfiler and provided actionable recommendations, leading to enhanced efficiency and lower latency.
  • Collaborated with teams to optimize microservices architecture in distributed environments, significantly reducing response times and improving scalability.
  • Provided accurate sizing metrics for Lookout products, enabling better capacity planning and resource allocation.
  • Implemented horizontal and vertical scaling strategies, ensuring optimal system performance under varying workloads.
  • Led failure analysis investigations on defective units, identifying root causes and implementing solutions that enhanced overall product performance.

Test Lead

iSpace Global Solutions Pvt. Ltd
Hyderabad
07.2008 - 08.2014
  • Gathered functional requirements and created automation test plans & estimations.
  • Analyzed risks and prepared mitigation plans for automation projects.
  • Developed and presented POCs to stakeholders.
  • Trained team members in Selenium WebDriver and best automation practices.
  • Developed hybrid frameworks using Selenium WebDriver, TestNG.
  • Designed object-based, data-driven, and hybrid frameworks.
  • Performed browser-based testing and parallel execution of scripts.
  • Created test suites and test cases for efficient testing across all project stages.
  • Customized automation test reports as per client requirements.

Education

Bachelor of Science - Computers

Sri Ramachandra Arts & Science College
Hyderabad

Skills

Performance Test: JMeterer, Ixload, LoadRunner, Gatling

Functional Automation: Python,Selenium WebDriver (Java)

Scripting: Python

Databases: SQL Server

Databases: PostgreSQL

Performance engineering

Jprofiler

TCP/IP, SSL

Python

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Accomplishments

  • Customized performance testing strategies tailored to application architecture and scale, reducing performance bottlenecks by up to 45% during pre-prod cycles.
  • Identified critical performance gaps in business workflows, optimizing transaction flow and improving system response times by 30–60% in key enterprise applications.
  • Developed performance benchmarks for diverse products (CASB, SASE, SSE), ensuring consistent delivery of SLAs across multiple client environments.
  • Drove cloud-native performance transformation, integrating Kubernetes-based auto-scaling solutions that improved system availability and scalability under peak loads by 3x.
  • Spearheaded Redis cache optimization initiatives in high-concurrency services, reducing backend read/write latency by 40% via partitioning and eviction policy tuning.
  • Built predictive load models and tuning strategies that led to a 45% improvement in throughput and reduced cloud compute costs by 25% using dynamic resource scaling.
  • Led Performance Testing CoE for 6 years, mentoring engineers, standardizing tools (JMeter, AppDynamics, JProfiler), and institutionalizing best practices across engineering orgs.
  • Automated regression performance tests integrated into CI/CD pipelines (Jenkins, Spinnaker), enabling early detection of degradation and cutting triage time by 40%.
  • Awarded multiple times (President’s Club, Performance Excellence) for consistently exceeding KPIs, resolving critical performance issues, and delivering high-impact results.

Roles And Responsibilities

08/01/14 - Present, Identified and resolved memory leaks using Heap Dump analysis., Optimized end-to-end transactions, improving average response times and throughput by 55%., Enhanced content matching techniques in CRT service., Optimized proxy service performance., Collaborated with teams to optimize microservices architecture., 01/01/12 - 12/31/14, Gathered functional requirements and created automation test plans., Analyzed risks and prepared mitigation plans., Developed and presented POCs to stakeholders., Trained team members in Selenium WebDriver., Extensive experience in ETL Testing (Informatica, Cognos) & Database Testing (DB2, Oracle 11g, SQL Server 2008)., Worked closely with end users and BAs on requirement gathering., Performed data validations and integrity checks.

Timeline

Staff Quality Engineer

Lookout India technologies PVT LTD
08.2014 - 05.2025

Test Lead

iSpace Global Solutions Pvt. Ltd
07.2008 - 08.2014

Bachelor of Science - Computers

Sri Ramachandra Arts & Science College

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Rajasekhar Performance Engineering/Testing