Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

REBECCA ABRAHAM JASPHER

Santa Clara

Summary

A results-driven Performance Engineer with 4+ years of experience managing the full Performance Testing Lifecycle (PTLC) for web, API, and desktop applications. Specialized in identifying and resolving system bottlenecks by leveraging advanced testing tools like JMeter and LoadRunner alongside APM solutions such as Dynatrace and Grafana. With proven track record of collaborating with development teams to optimize application performance.

Overview

5
5
years of professional experience
1
1
Certification

Work History

Performance Engineer

Cognizant Technology Solutions
Chennai
11.2022 - 11.2024

Client Project: Royal Bank of Canada

  • Designed and optimized JMeter (Web, API, Desktop) and LoadRunner (HTTP & TruClient) scripts for SSO- and proxy-secured workflows, including heavy data uploads, form submissions, and dynamic API payloads.
  • Reduced script maintenance effort by 40% by engineering highly reusable test scripts with advanced parameterization and modularization techniques.
  • Automated error-capturing and logging system in JMeter, improving defect traceability and cutting debugging time by 30%.
  • Collaborated with development and DB teams to optimize API response times (~25% reduction) and bulk data upload workflows (~25% faster processing).
  • Monitored performance with Dynatrace and Grafana, identifying and resolving bottlenecks like memory leaks, CPU spikes, and slow DB queries.
  • Queried and validated data using MySQL and PostgreSQL.

Performance Test Engineer

TATA Consultancy Services
Chennai
08.2022 - 09.2022

Client Project: Loblaw – Health Watch

  • Executed performance tests for API and desktop applications, ensuring stable application behavior under load.
  • Monitored server and transaction metrics using Dynatrace, identifying performance gaps and recommending improvements.
  • Streamlined test reporting and defect tracking using JIRA, reducing issue turnaround time.

Associate Engineer

HTC Global Services
Chennai
04.2021 - 07.2022

Client Project: ServiceFocus Helpdesk Application

  • Led performance and functional testing initiatives, improving system stability under peak loads.
  • Created scalable, parameterized JMeter scripts and optimized automation workflows to reduce manual effort by 50%.
  • Automated regression and end-to-end testing using Python Selenium (POM, data-driven), accelerating release cycles.
  • Conducted functional, cross-browser, and mobile device testing, ensuring improved usability and consistency.
  • Debugged API requests/responses using Fiddler, reducing defect resolution time.
  • Analyzed server-side metrics, including CPU utilization, memory, and database queries, to identify bottlenecks and provide actionable recommendations.

Graduate Engineering Trainee

Cognitive Mobile Technology
Chennai
10.2019 - 03.2021

Client Project: Kone Elevators

  • Provided functional testing and monitoring support for the web application, improving defect detection and resolution.
  • Used New Relic APM to proactively identify potential system issues and recommend performance optimizations.
  • Automated basic testing tasks, reducing manual effort and speeding up smoke and regression testing cycles.
  • Streamlined request and issue management, improving project workflow efficiency.
  • Conducted smoke testing after each release to ensure build stability and performed functional validation of new application features.

Education

Bachelor of Engineering - Electronics & Communication

Vel Tech High Tech Engineering College
Chennai, India
08-2019

Higher Secondary Certificate (HSC) - Computer Science

Kendriya Vidyalaya
Madurai, India
04-2015

Secondary School Certificate (SSLC) -

Kendriya Vidyalaya
Madurai, India
04-2013

Skills

  • JMeter, LoadRunner, BlazeMeter, Locust
  • Dynatrace, New Relic, Grafana
  • Python, Python (Selenium), C
  • MySQL, PostgreSQL
  • Jenkins, Docker, GitHub, Bitbucket
  • Linux, Windows
  • AWS
  • ChatGPT, GitHub Copilot, Numpy, Pandas, Matplotlib

Certification

AWS Certified Cloud Practitioner, Udemy

Timeline

Performance Engineer

Cognizant Technology Solutions
11.2022 - 11.2024

Performance Test Engineer

TATA Consultancy Services
08.2022 - 09.2022

Associate Engineer

HTC Global Services
04.2021 - 07.2022

Graduate Engineering Trainee

Cognitive Mobile Technology
10.2019 - 03.2021

Bachelor of Engineering - Electronics & Communication

Vel Tech High Tech Engineering College

Higher Secondary Certificate (HSC) - Computer Science

Kendriya Vidyalaya

Secondary School Certificate (SSLC) -

Kendriya Vidyalaya
REBECCA ABRAHAM JASPHER