Performance Testing

Cognizant; Mumbai; On-site; INR 1,800,000 - 2,400,000; Full time

Job summary

Cognizant is hiring for a senior performance testing engineer in Bangalore. The role emphasizes deep expertise in web application performance, scripting, and diagnosis of system utilization.

The candidate should work with Agile teams to implement robust testing strategies and ensure observability in distributed environments. Key technologies include JMeter, Linux, Docker/Kubernetes, Azure, SQL (MySQL), Java and Python, plus popular APM and log tools.

Qualifications

• 6+ years of Performance Testing/Monitoring of Web Applications.
• Proficiency in scripting to enhance performance testing scripts and scenarios using JMeter.
• Strong Linux fundamentals and ability to diagnose system utilization.
• Experience with Agile methodologies and cross‑functional collaboration.
• Familiarity with CI/CD pipelines for performance testing.
• Experience with performance test frameworks and automation.
• Experience with large scale distributed systems and data volumes.
• Knowledge of Azure cloud and container schedulers (Docker, Kubernetes).
• Proficiency in MySQL, Java and Python for testing scenarios.
• Experience with log and APM tools (Splunk, Prometheus, Dynatrace, Datadog).
• Ability to drive observability and chaos engineering initiatives.

Responsibilities

• Lead performance testing and monitoring for web applications.
• Develop and customize performance scripts and scenarios (JMeter).
• Diagnose performance issues across large distributed systems.
• Collaborate with cross‑functional teams and stakeholders.
• Contribute to CI/CD integration for performance testing.
• Develop and extend performance test frameworks and automation.

Skills

Performance testing

Linux fundamentals

Agile methodologies

CI/CD

JMeter

Docker

Kubernetes

Azure cloud

MySQL

Java

Python

Splunk

Prometheus

Dynatrace

Datadog

Mountebank

UX Engine

Tools

JMeter

Splunk

Mountebank

Job description

Location : Bangalore

Notice period: Immediate to 90 days

Job Description:

• 6+ years of Performance Testing/Monitoring of Web Applications
• Proficiency in various scripting techniques, develop custom codes for enhancing and customizing performance testing scripts and scenarios using Jmeter where applicable
• Possess good knowledge in network and cutting edge technologies
• Demonstrate excellent Linux fundamentals and solid understanding of diagnosing system utilization
• Experience working with Agile methodologies
• Possess excellent documentation and communication skills, with the ability to influence others
• Familiarity with CI/CD pipeline for performance testing
• Experience with Performance test framework development and automation
• Experience working with large scale distributed systems & large data volumes
• Experience with some of the following technologies and services:
• Cloud based Infrastructure as a Service (especially Azure)
• Container based service schedulers (e.g., Docker, ECS, Kubernetes, etc.)
• MySQL, Java, Python
• Perf testing tools (Jmeter)
• Log management tools (Splunk)
• APM tools (Prometheus, Dynatrace, Datadog, )
• Strong analytical and problem-solving skills, with the ability to diagnose performance issues and propose effective solutions.
• Ability to take up additional responsibilities and mandates like Chaos Engineering, Observability, etc., towards the transitioning to a SRE role.
• Able to define data strategy and collaborate with the Test Data Management team to generate on-demand data.
• Expertise in adopting In house client side performance testing tools like UX Engine to measure End user experience, wherever applicable.
• Experience in developing Virtual Services using Mountebank for all Performance testing requirements.
• Excellent communication and collaboration skills, with the ability to work effectively with cross-functional teams and technology/business stakeholders.