Job Description

Performance Test Engineer - Web
Bangalore

-

India
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Performance Test Engineer – Web
Position Overview
Johnson Controls is seeking a highly skilled Performance Test Engineer – Web to join our global Marketing IT team responsible for delivering large-scale, public-facing websites. This role focuses on ensuring performance, scalability, reliability, and stability of web platforms through structured performance engineering practices. The ideal candidate has 5–8 years of hands-on experience in performance testing using Load Runner, strong exposure to enterprise web and CMS platforms, solid understanding of web and cloud architectures, and an interest in leveraging Generative AI (GenAI) to accelerate performance analysis, test design, and reporting.

Key Responsibilities
GenAI Assisted Performance Engineering
• Use GenAI tools (M365 Copilot, GitHub Copilot, etc.) to:
o Generate performance testing scenarios, workload models, and edge-case simulations
o Derive performance test cases from Non-Functional Requirements (NFRs), SLAs, and business usage patterns
o Summarize performance test execution results and generate AI-assisted reports and insights
o Analyse performance trends, bottlenecks, anomalies, and historical defect patterns
• Leverage AI to assist in root cause analysis by correlating test results with
application, infrastructure, and monitoring data
• Collaborate with internal teams to design AI-driven utilities for performance
analysis, reporting, and optimization
Performance Testing & Engineering
• Hands on experience in performance testing using LoadRunner (VuGen,
Controller, Analysis)
• Design, develop, execute, and analyse Load, Stress, Spike, Endurance, and Scalability tests for web applications
• Develop and maintain reusable LoadRunner scripts using protocols such as:
o HTTP/HTML
o Web Services (REST, SOAP)
o TruClient for modern UI frameworks
• Proficient in: Correlation of dynamic values
o Parameterization and test data handling
o Checkpoints and error handling
• Think time and pacing strategies to simulate real-world user behaviour
• Perform workload modelling, test planning, and environment validation aligned with production usage patterns Performance Assurance for Web & CMS Platforms
• Perform performance testing for enterprise-scale websites and CMS platforms(Sitecore XP, SXA, XM Cloud or equivalent)
• Test high-traffic scenarios including:
o Campaign and landing pages
o Content delivery and publishing workflows
o Personalization, targeting, and media-heavy pages
• Validate caching mechanisms, CDN behaviour, and content delivery
performance
• Support performance validation across QA, staging, and pre-production
environments
• Collaborate with Development and Infrastructure teams to validate fixes and
performance optimizations

Monitoring, Analysis & Optimization
• Monitor server-side metrics during test execution, including:
o CPU, Memory, Disk, Network
o JVM and Application Servers
o Database performance
• Correlate LoadRunner analysis reports (Response Time, Throughput, TPS, Errors) with:
o Application logs
o APM tools
o Infrastructure metrics
• Analyse end-to-end performance metrics across application, database, and
infrastructure layers
• Identify performance risks early and recommend capacity planning and tuning
strategies

CI/CD, Collaboration & Documentation
• Integrate performance tests into CI/CD pipelines using Azure DevOps, Jenkins, or similar tools

• Collaborate with Development, Infrastructure, DevOps, and Product teams to:
Identify and triage performance bottlenecks
• Define SLAs, NFRs, and performance acceptance criteria
• Support release readiness and scalability assessments
• Prepare and present:
o Performance test plans and strategies
o Execution reports and trend analysis
o Executive summaries and release readiness recommendations
• Promote a performance engineering mindset rather than reactive testing
Qualifications
• Bachelor’s degree in Computer Science, IT, or a related field
• 6–8 years of experience in performance testing and engineering
• Strong hands-on expertise with LoadRunner (VuGen, Controller, Analysis)
• Proven experience testing web-based applications under heavy traffic
• Strong knowledge of performance SLAs, NFRs, scalability, and capacity planning
• Hands-on experience in server monitoring, performance analysis, and
bottleneck identification
• Experience in Agile/Scrum environments, aligned with sprint and release cycles
• Exposure to cloud environments (AWS/Azure) and containerized applications is an advantage
• Familiarity with Azure DevOps, Jenkins
• Strong communication skills with experience presenting performance insights to
stakeholders
• Performance testing or QA certifications are an added advantage

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