Senior Performance QA Engineer (C#, JS)

Luxoft; Hyderabad; On-site; INR 2,500,000 - 4,000,000; Full time

Job summary

Luxoft seeks a Senior Performance Testing QA Engineer to validate performance, scalability, and reliability of cloud-native analytics platforms, driving quality engineering practices across the organization. You will design and execute performance tests, build scalable test frameworks, and collaborate across Engineering, Product, and DevOps teams to meet non-functional requirements and SLAs.

The role emphasizes automation, CI/CD integration, and continuous improvement of performance practices,

Qualifications

• Must have proven experience as a Performance Test Engineer or similar role.
• Expertise with JMeter, C#, Selenium WebDriver, and API performance testing.
• Hands-on AWS experience (EC2, ECS, CloudWatch) and CI/CD involvement.

Responsibilities

• Design, develop, and maintain performance and scalability tests.
• Build and enhance JMeter frameworks and scripts.
• Develop automated test solutions using C# and Selenium WebDriver.
• Analyze performance to identify bottlenecks and optimization opportunities.
• Collaborate with Engineering, Product, and DevOps to validate non-functional requirements and SLAs.
• Produce performance reports and recommendations for stakeholders.
• Contribute to CI/CD pipelines and automate testing and reporting.
• Continuously improve performance engineering practices, tools, and processes.

Skills

JMeter

C#

Selenium WebDriver

API performance testing

Load testing

AWS

EC2

ECS

CloudWatch

CI/CD

Performance testing

GitHub Copilot

Tools

Docker

Kubernetes

Postman

Rest Assured

LoadRunner

Job description

Project description

We are looking for a Senior Performance Testing QA Engineer with a strong background in Test Automation and Cloud-native applications. In this role, you will be responsible for validating the performance, scalability, and reliability of the highly available Capital Markets analytics platforms while helping drive quality engineering best practices across the organization.

Responsibilities

• What You’ll Do
• Design, develop, execute, and maintain performance, load, stress, endurance, and scalability tests.Build and enhance JMeter test frameworks and scripts, including JavaScript-based scripting and customization.Develop and maintain automated test solutions using C# and Selenium WebDriver.Analyze application and infrastructure performance to identify bottlenecks, risks, and optimization opportunities.Collaborate with Engineering, Product, and DevOps teams to define and validate non-functional requirements and performance SLAs.Produce clear performance reports and recommendations for stakeholders.Contribute to CI/CD pipelines and drive automation of testing and reporting activities.Continuously improve performance engineering practices, tools, and processes.

SKILLS

Must have

• Proven experience as a Performance Test Engineer, NFR QA Engineer, or similar role.Strong hands-on expertise with:JMeter (JavaScript-based scripting)C#Selenium WebDriverSolid understanding of load, stress, scalability, capacity, and endurance testing methodologies.Experience with API performance testing and troubleshooting complex distributed systems.Knowledge of AI-assisted engineering tools such as GitHub Copilot.Hands-on AWS experience, including:EC2ECSCloudWatchStrong analytical, debugging, and problem-solving skills.Excellent communication and collaboration abilities.Skills: Performance Testing
• NFR Testing
• JMeter
• JavaScript
• C#
• Selenium WebDriver
• AWS
• ECS
• EC2
• CloudWatch
• Test Automation
• CI/CD
• Quality Engineering
• Performance Engineering

Nice to have

Experience with CI/CD tools such as Azure DevOps, TeamCity, Jenkins, GitHub Actions, or GitLab CI.Knowledge of Docker, Kubernetes, and containerized environments.Experience with observability tools such as Grafana, Prometheus, Splunk, or OpenTelemetry.Experience with Postman, Rest Assured, or LoadRunner.