Performance Test Engineer - Javascript & C#

Luxoft; Dadri; On-site; INR 900,000 - 2,100,000; Full time

Job summary

Luxoft in India is seeking a Senior Performance Testing QA Engineer with strong test automation and cloud-native experience to validate the performance, scalability, and reliability of analytics platforms. You will design and execute performance tests, develop automated tests in C# with Selenium, analyze bottlenecks, and collaborate with DevOps to define non-functional requirements and SLAs.

This role emphasizes continuous improvement of performance engineering practices and integration with

Qualifications

• Proven experience as a Performance Test Engineer, NFR QA Engineer, or similar role.
• Strong hands-on expertise with C# and testing methodologies.
• Experience with API performance testing and troubleshooting distributed systems.
• AWS experience including EC2, ECS, CloudWatch.

Responsibilities

• Design, develop, execute, and maintain performance, load, stress, endurance, and scalability tests.
• 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 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

C#

Load testing

Performance testing

Tools

Selenium WebDriver

GitHub Copilot

Docker

Kubernetes

Grafana

Prometheus

OpenTelemetry

Postman

LoadRunner

Job 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:

• Design, develop, execute, and maintain performance, load, stress, endurance, and scalability tests.
• 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.

Mandatory Skills Description:

Proven experience as a Performance Test Engineer, NFR QA Engineer, or similar role.

Strong hands-on expertise with:

• C#
• Solid 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:
• EC2
• ECS
• CloudWatch
• Strong analytical, debugging, and problem-solving skills.
• Excellent communication and collaboration abilities.

Nice-to-Have Skills Description:

• 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.