Performance Engineer

Ascendion Engineering; Bengaluru; On-site; INR 900,000 - 1,300,000; Full time

Job summary

Ascendion is seeking a Performance Testing Engineer in Bengaluru to design, implement, and run performance tests for enterprise web apps, APIs, and microservices. You will build robust test plans, scripts with JMeter, and scalable workload models, collaborating with developers, QA, DevOps, and cloud teams to ensure high reliability and optimal user experiences.

You will monitor applications with New Relic, Dynatrace, Grafana, and Prometheus, analyze results, identify bottlenecks, and drive

Qualifications

• Extensive hands-on experience with enterprise web applications, APIs, and microservices testing.
• Expertise in scripting, parameterization, and distributed load testing.
• Proficiency with AI-assisted testing and automation is desirable.

Responsibilities

• Design, implement, and execute performance test strategies and plans.
• Develop JMeter scripts and workload models aligned to production requirements.
• Monitor performance using APM tools and analyze results for bottlenecks.
• Collaborate across development, QA, DevOps, and infrastructure teams.
• Integrate performance testing into CI/CD pipelines.

Skills

Performance testing

Performance engineering

JMeter scripting

CI/CD integration

AI/Generative AI testing

Tools

Apache JMeter

New Relic

Dynatrace/AppDynamics

Grafana

Prometheus

Jenkins

GitHub

Azure DevOps

Job description

About Ascendion

Ascendion is a leader in AI-powered software engineering, helping businesses innovate faster, smarter, and with greater impact. We partner with Global 2000 clients across North America, UK, Europe, and APAC to solve complex challenges in data, experience design, software product engineering, and workforce transformation. Powered by expert engineers, thousands of AI agents, and our Engineering to the Power of AI™ (EngineeringAI) method, we deliver measurable outcomes that build trust, unlock value, and accelerate growth. Learn more at ascendion.com

Ascendion | Engineering to elevate life

We have a culture built on opportunity, inclusion, and a spirit of partnership. Come, change the world with us:

Build the coolest tech for world's leading brands

Solve complex problems - and learn new skills

Experience the power of transforming digital engineering for Fortune 500 clients

Master your craft with leading training programs and hands-on experience

Experience a community of change makers!

Join a culture of high-performing innovators with endless ideas and a passion for tech. Our culture is the fabric of our company, and it is what makes us unique and diverse. The way we share ideas, learning, experiences, successes, and joy allows everyone to be their best at Ascendion.

About the Role:

Key Responsibilities

• Design, develop, and execute performance test strategies, test plans, scenarios, and workload models based on business and production requirements.
• Develop and execute performance test scripts using Apache JMeter
• Perform Load, Stress, Spike, Endurance, Scalability, and Volume Testing for web applications, APIs, microservices, and cloud/on-premise applications.
• Monitor application and infrastructure performance using APM tools such as New Relic, AWS cloud monitoring
• Analyze test results, identify performance bottlenecks, provide optimization recommendations, and prepare detailed performance reports.
• Collaborate with development, QA, DevOps, database, and infrastructure teams to troubleshoot and resolve performance issues.
• Integrate performance testing into CI/CD pipelines using Jenkins, GitHub, Azure DevOps, or equivalent tools.
• Leverage AI agents and Generative AI to automate JMeter script creation, workload generation, performance analysis, bottleneck identification, and report generation.
• Drive continuous improvements by adopting performance engineering best practices, automation, and AI-assisted testing.

Required Skills & Qualifications

• Strong hands-on experience in Performance Testing and Performance Engineering for enterprise web applications, APIs, and microservices.
• Proven expertise in Apache JMeter, including scripting, parameterization, correlation, workload modelling, distributed testing, and Groovy/JSR223 scripting.
• Solid understanding of Load, Stress, Spike, Endurance, Scalability, Capacity, and Volume Testing methodologies.
• Hands-on experience with APM tools such as New Relic, AWS cloud monitoring ,Dynatrace/AppDynamics, Grafana, or Prometheus.
• Experience analyzing application, database, and infrastructure metrics to identify performance bottlenecks.
• Familiarity with SQL, cloud platforms (AWS/Azure/GCP), REST APIs, microservices, and CI/CD tools.
• Experience using AI agents or Generative AI to accelerate performance test script development and performance analysis is highly desirable.
• Strong analytical, problem-solving, communication, and collaboration skills.

Want to change the world? Let us know.

Tell us about your experiences, education, and ambitions. Bring your knowledge, unique viewpoint, and creativity to the table. Let's talk!