Performance & Reliability Engineer

Quest Global; Bengaluru; On-site; INR 3,000,000 - 6,000,000; Full time

Job summary

Quest Global is seeking a hands-on Performance & Reliability Engineer with deep expertise in Apache JMeter and NFR testing to join our Bangalore-based team. You will design and execute performance, load, stress, endurance, and failover tests for enterprise applications, building realistic test data and production-like environments.

You will analyze bottlenecks across systems, drive optimization, and validate resilience through failover and chaos testing, while integrating automated NFR tests

Qualifications

• 6-8 years of hands-on experience in Performance Engineering or NFR Testing.
• Strong hands-on expertise with Apache JMeter.
• Experience defining NFR test strategies for large-scale enterprise applications.
• Knowledge of Performance, Load, Stress, Endurance, Scalability, Resilience, and Failover Testing.
• Experience creating synthetic test data and realistic test environments.
• Knowledge of distributed systems, microservices, cloud platforms, and observability tools.
• Hands-on exposure to AI tools such as Copilot, Claude, or ChatGPT.

Responsibilities

• Define and execute NFR test strategies, plans, and acceptance criteria for enterprise applications.
• Design and perform performance, load, stress, endurance, scalability, failover, recovery, and reliability testing.
• Create realistic test data, workloads, and production-like environments for NFR validation.
• Analyze system bottlenecks across applications, databases, infrastructure, and networks, and drive optimization efforts.
• Validate system resilience through failover, disaster recovery, chaos, and recovery testing.
• Integrate automated NFR testing into CI/CD pipelines and leverage AI tools to accelerate test design and analysis.
• Evaluate system performance, availability, latency, throughput, and reliability against defined SLAs/SLOs.

Skills

JMeter

Performance testing

Reliability engineering

NFR testing

CI/CD automation

AI-assisted testing

Tools

Grafana

Dynatrace

Splunk

Prometheus

Job description

Job Requirements
Role Summary
We are seeking a hands-on Performance & Reliability Engineer with strong expertise in JMeter, enterprise-scale NFR testing, and modern AI-assisted engineering tools (Copilot, Claude, etc.). The primary focus areas are Performance, Reliability, Scalability, Resilience, and Failover Testing.
Responsibilities

• Define and execute NFR test strategies, plans, and acceptance criteria for enterprise applications.
• Design and perform performance, load, stress, endurance, scalability, failover, recovery, and reliability testing.
• Create realistic test data, workloads, and production-like environments for NFR validation.
• Analyze system bottlenecks across applications, databases, infrastructure, and networks, and drive optimization efforts.
• Validate system resilience through failover, disaster recovery, chaos, and recovery testing.
• Integrate automated NFR testing into CI/CD pipelines and leverage AI tools to accelerate test design and analysis.
• Evaluate system performance, availability, latency, throughput, and reliability against defined SLAs/SLOs.

Work Experience
Required Skills

• 6-8 years of experience in Performance Engineering, Reliability Engineering, or NFR Testing.
• Strong hands-on expertise with Apache JMeter.
• Experience defining and implementing NFR test strategies for large-scale enterprise applications.
• Strong knowledge of:
  • Performance, Load, Stress, and Endurance Testing
  • Reliability, Scalability, Resilience, and Failover Testing
  • Capacity Planning and Recovery Testing
  • Chaos Engineering
• Experience creating synthetic test data and realistic test environments.
• Knowledge of distributed systems, microservices, cloud platforms, and observability tools such as Grafana, Dynatrace, Splunk, or Prometheus.
• Hands-on exposure to AI tools such as Copilot, Claude, or ChatGPT.

Preferred Skills

• Experience testing large-scale platforms such as OTT, collaboration platforms (e.g., Teams), or other high-volume enterprise systems.
• Medical/Healthcare domain experience is a plus but not mandatory.
• Strong learning mindset and passion for Performance & Reliability Engineering.