Performance/Resilience Test Engineer at ARHS – Strasbourg | Jobyssey

Create, maintain, and execute non-functional test plans, strategies, estimations, and test scenarios for complex software solutions
Design, develop, and maintain performance and resilience test scripts using JMeter, Gatling, and related testing tools
Plan, prepare, execute, and analyze performance, load, stress, endurance, capacity, resilience, and recovery testing activities
Develop end-to-end non-functional testing strategies for distributed, integrated, and microservices-based cloud environments
Prepare test environments, workloads, and test data required for performance and resilience testing campaigns
Monitor system resources, application behaviour, and platform metrics during test execution to identify performance bottlenecks and stability issues
Analyze test results, investigate non-functional defects, and provide recommendations to improve performance, reliability, scalability, and resilience
Execute resilience and chaos engineering scenarios using ChaosToolkit, Kraken, or similar technologies
Provide technical guidance and enable QA engineers and developers to execute non-functional testing activities
Develop and maintain standards, best practices, documentation, and reporting related to performance and resilience testing
Collaborate with development, DevOps, and operations teams to support continuous quality improvement initiatives
Produce test reports, technical documentation, and findings presentations for stakeholders, management, and customers

Minimum 6 years of relevant IT professional experience, including at least 6 years in non-functional, performance, resilience, or load testing roles
Minimum education level: Level 6 (Bachelor's degree or equivalent) in an ICT-relevant field
Strong hands-on experience with JMeter, Gatling, or similar performance testing tools
Expertise in test planning, test strategy, estimation, workload design, test case design, test platform setup, test data preparation, and defect management
Experience designing and executing performance, load, stress, endurance, capacity, resilience, and recovery testing activities
Experience analyzing application performance, resource utilization, and system bottlenecks across complex distributed environments
Hands-on experience with resilience and chaos testing tools such as ChaosToolkit, Kraken, or similar solutions
Practical Java development or automation experience
Experience working with microservices architectures, containerized platforms, and private cloud environments
Knowledge of CI/CD pipelines, automated testing frameworks, monitoring solutions, and observability platforms
Excellent documentation, reporting, communication, and stakeholder presentation skills
Experience working in Agile software development and testing environments
Experience working in international and multicultural teams
Proactive, analytical, and quality-focused mindset with strong collaboration and problem-solving skills

Experience testing large-scale distributed systems with multiple integrated components is considered a strong asset
Hands-on experience with the following technologies is considered a strong asset:
Docker, Kubernetes, OpenShift, Helm, or Podman
Grafana, Prometheus, ELK Stack, Splunk, or similar observability platforms
Kafka or other event-driven messaging platforms
GitHub CI/CD or equivalent continuous integration and deployment tooling
Selenium, Playwright, Postman, Kreya, Tricentis qTest, Jira Xray, or equivalent testing solutions
PostgreSQL or similar database technologies
Experience supporting performance and resilience testing in cloud-native, containerized environments is considered a strong asset

Performance/Resilience Test Engineer

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