Varun N Bhat
Performance Test Engineer
Bengaluru
Summary
Passionate Performance Engineer with a focus on optimizing application performance. Proficient in App Dynamics, AWS, Grafana, and JMeter for bottleneck identification. Adept in Python, Selenium, and Jenkins automation, driving substantial cost savings. Recognized for delivering impactful solutions, and strong collaborator & mentor, dedicated to enhancing team productivity through automation.
Overview
4
4
years of professional experience
4
4
years of post-secondary education
Work History
Performance Engineer
Cognizant Technologies Pvt. Ltd
Bengalore
8 2022 - Current
- Monitored application performance using AppDynamics (AppD), analyzing JVM heap utilization, thread utilization, server health, and garbage collection events to identify performance bottlenecks and provide optimization recommendations
- Utilized Amazon Web Services (AWS) to monitor resource utilization, Redis usage, CPU, memory, container health, and scaling policies, ensuring optimal performance and scalability
- Collaborated with cross-functional teams to establish monitoring best practices, leveraging AppD and Grafana insights to drive performance optimization efforts
- Continuously monitored and analyzed application performance using AppD, AWS, and Grafana, identifying bottlenecks and providing recommendations, resulting in a 30% improvement in responsiveness and scalability
- Designed and developed several Splunk queries that facilitated deep diving into performance issues and bottlenecks. These queries helped identify 10+ critical performance problems, leading to a 20% improvement in system performance
- Optimized Splunk dashboards to provide more accurate and relevant results, reducing analysis time by 25% and enabling faster decision-making.
- Created a Python framework to automate various Jmeter tasks, resulting in a soft dollar saving of 3 hours per script and a total savings of 120 hours across 40 scripts
- Designed Grafana dashboards to visualize key performance indicators (KPIs), monitor container instances, CPU, memory, requests per minute (RPM), and request count per time (RCPT), facilitating data-driven performance analysis and monitor key server metrics. This enabled the team to quickly identify and resolve 15+ performance issues and bottlenecks, reducing downtime by 50%
- Significantly contributed to zero touch automation, automating 80% of day-to-day activities such as data checking, data Gen initiation, data validation, and bad data clearing using Jenkins and Jmeter. This automation saved the team an average of 2 hours per day and also 90% of human intervention to do the tasks was reduced
- Developed a Selenium-based framework to automate pre-scaling tasks for AWS instances, resulting in a soft dollar saving of 30 minutes every day and a total savings of 120 hours annually
- Scripted 20+ Jmeter scripts following design principles best practices, ensuring high-quality and maintainable code and merged 15 scripts with similar flows to align with design principles, reducing script maintenance and update work by 50% in every release cycle, saving approximately 40 hours per cycle
- Collaborated closely with architects to discuss and resolve 5+ major performance issues and bottlenecks, contributing to a 15% improvement in overall system performance.
Test Analyst
Infosys Pvt. Ltd
Bengalore
09.2020 - 08.2022
- Simulated a load of around 10 K + users on the website which included the generation of reports using Blazemeter which was followed by the analysis of the result
- Developed an end-to-end automation framework using python and selenium for reporting and analysis of the test, which contributed to saving up to around 6+ man-hours per day
- Worked on creating numerous scripts for performance testing using Jmeter
- Used to record the events on the web application using Fiddler
- Led mentorship and training for new team members, imparting performance engineering principles and facilitating seamless onboarding to enhance team productivity.
Education
PESITM
Shivamogga 06.2016 - 05.2020
Skills
Performance Testing Tools: JMeter, Blazemeter, Fiddler
Accomplishments
1. Received global level appreciation from the client “Disney Walts and Resorts” for exemplary contribution for Treasure launch of Disney Cruise Lane.
2. Received INSTA award from Infosys Pvt Ltd for 4 consecutive times for demonstrating perceptiveness and leading the project to complete under stingy timelines.
3. Was recognized in NFT NEWS Letter of Cognizant Pvt. Ltd in 2023 for developing Zero Touch Automation Framework.
4. Delivered workshops on topics like Python, Django, Git, Jenkins etc., to the students pursuing BE/BCA. Received positive feedback for engaging teaching style and simplifying complex concepts.
Timeline
Test Analyst
Infosys Pvt. Ltd
09.2020 - 08.2022
PESITM
06.2016 - 05.2020
Performance Engineer
Cognizant Technologies Pvt. Ltd
8 2022 - Current
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