Performance Test Engineer / Performance Engineering Specialist

WebSenor Ltd; Bengaluru; Hybrid; INR 2,200,000 - 3,800,000; Full time

Job summary

WebSenor Ltd in Noida, Uttar Pradesh, invites an experienced Performance Test Engineer to join our team. You will design and run performance tests, analyze bottlenecks, and drive improvements across distributed systems, APIs, and cloud services.

You will work with Dynatrace, Splunk, Grafana and LoadRunner/JMeter, collaborating with SRE, development, and operations to ensure scalability, reliability, and production readiness.

Qualifications

• 7–10 years of performance testing and engineering experience.
• Experience with enterprise-scale performance testing across distributed systems.
• Strong experience testing APIs, microservices, and cloud-based apps.

Responsibilities

• Design, develop, and maintain performance test scripts using JMeter and LoadRunner.
• Analyze performance across application, middleware, database, and cloud layers.
• Collaborate with cross-functional teams to resolve performance issues.
• Integrate performance testing into CI/CD pipelines.

Skills

Performance Testing

Load Testing

Stress Testing

Soak Testing

APIs & Microservices

Observability

Education

Bachelor's degree in Computer Science/IT/Engineering

Tools

JMeter

LoadRunner

Dynatrace

Grafana

Splunk

AppDynamics

Azure Monitor

Kubernetes

Jenkins

Azure DevOps

Job description

Role Summary

We are seeking an experienced Performance Test Engineer / Performance Engineering Specialist with 7–10 years of experience to ensure the scalability, reliability, stability, and performance of enterprise applications across distributed systems and cloud environments. The ideal candidate will have strong expertise in designing and executing performance tests, analyzing application behavior under load, identifying system bottlenecks, and collaborating with cross-functional teams to optimize application performance.

Key Responsibilities

• Design, develop, execute, and maintain performance test scripts using Apache JMeter and LoadRunner Professional/Enterprise.
• Develop performance testing strategies, workload models, test plans, and execution approaches for web applications, APIs, microservices, and distributed systems.
• Perform Load, Stress, Spike, Endurance (Soak), Volume, Scalability, and Capacity Testing.
• Analyze application performance across application, middleware, database, infrastructure, network, and cloud layers.
• Monitor and analyze system metrics, including CPU, memory, disk I/O, JVM, thread pools, database connections, and application performance.
• Leverage Dynatrace, Splunk, Grafana, and other APM tools to identify performance bottlenecks and conduct root cause analysis.
• Collaborate with development, architecture, infrastructure, SRE, and operations teams to resolve performance issues and improve application responsiveness.
• Participate in production incident investigations, critical issue resolution, and performance troubleshooting.
• Drive observability improvements through enhanced monitoring, logging, tracing, dashboards, and alert optimization.
• Validate performance of APIs, microservices, event-driven architectures, and cloud-native applications.
• Integrate performance testing into CI/CD pipelines to support shift-left performance engineering practices.
• Conduct database performance analysis, query optimization validation, and transaction monitoring.
• Support capacity planning, benchmarking, production readiness assessments, and scalability evaluations.
• Prepare performance test reports, dashboards, trend analysis, and executive-level summaries.
• Contribute to Root Cause Analysis (RCA) documentation and recommend preventive performance improvements.
• Participate in architecture and design reviews to identify performance and scalability risks early in the development lifecycle.
• Ensure enterprise applications meet defined performance, availability, and reliability objectives.

Required Qualifications

Education

Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related discipline.

Experience

• 7–10 years of experience in Performance Testing and Performance Engineering.
• Proven experience in enterprise-scale performance testing engagements.
• Strong experience testing distributed systems, APIs, microservices, and cloud-based applications.
• Experience working with mission-critical enterprise applications.
• Healthcare industry experience is preferred.

Required Technical Skills

Performance Testing

• Strong expertise in:
• Load Testing
• Stress Testing
• Spike Testing
• Endurance (Soak) Testing
• Volume Testing
• Scalability Testing
• Capacity Testing
• Strong understanding of performance engineering methodologies and best practices.

Performance Testing Tools

• Apache JMeter
• LoadRunner Professional / Enterprise
• Performance Center
• BlazeMeter (Preferred)

Application Performance Monitoring & Observability

• Hands-on experience with:
• Dynatrace
• Splunk
• Grafana
• AppDynamics (Preferred)
• Azure Monitor (Preferred)

Ability to analyze

• Application metrics
• Infrastructure metrics
• Logs
• Distributed traces
• Business transaction flows

Cloud & Infrastructure

• Microsoft Azure Cloud
• Linux administration
• Networking fundamentals
• Load Balancers
• Containers and Microservices Architecture
• Kubernetes (Preferred)

Database

• Strong SQL skills with experience in:
• SQL Server
• Azure SQL
• Oracle (Preferred)
• MongoDB (Preferred)

Knowledge of

• Query performance tuning
• Locking and blocking analysis
• Connection pool bottlenecks
• Database performance monitoring

Automation & CI/CD

• Experience integrating performance testing with:
• Jenkins
• GitHub Actions
• Azure DevOps

Scripting knowledge in one or more of

• Java
• JavaScript
• Groovy
• Python (Preferred)

Preferred Qualifications

• Experience supporting Tier-0 or mission-critical enterprise applications.
• Experience working in Site Reliability Engineering (SRE) environments.
• Experience with production performance monitoring and incident diagnostics.
• Familiarity with AIOps, observability platforms, and alert correlation.
• Hands-on experience with Kubernetes, Docker, and containerized workloads.
• Experience with healthcare applications, claims processing, member portals, provider systems, or healthcare data platforms.
• Experience implementing proactive performance engineering and reliability improvements.
• Relevant certifications in LoadRunner, Dynatrace, Azure, Cloud Platforms, or Performance Engineering are preferred.

Key Competencies

• Performance Engineering
• Performance Testing Strategy
• Root Cause Analysis
• Application Performance Monitoring (APM)
• Observability & Monitoring
• Capacity Planning
• Reliability Engineering
• Distributed Systems
• API & Web Application Performance Testing
• Cloud Performance Optimization
• CI/CD Integration
• Problem Solving & Analytical Thinking
• Cross-functional Collaboration
• Excellent Communication and Stakeholder Management

Work Location: Hybrid remote in Noida, Uttar Pradesh (Noida)