Senior Performance Engineer

Summary

Join OpenVPN's dynamic team as a Senior Performance Engineer and play a pivotal role in developing and maintaining a continuous performance testing pipeline for our cutting-edge product, Cloud Connexa. You will design and execute performance tests, identify and resolve bottlenecks, and collaborate with cross-functional teams. This role demands expertise in performance testing, hands-on coding skills, and a deep understanding of microservices architecture. You will leverage tools like Jenkins, AWS, and Kubernetes to simulate realistic loads and ensure Connexa's scalability and resilience. The position offers a fully remote work environment and self-managed time off, along with team trips and special events.

Requirements

• Hold a Bachelor’s or Master’s degree in Computer Science, Engineering or a related field
• Possess proven experience in performance engineering with strong skills in some of the programming languages, such as Java, Python, and C
• Demonstrate expertise in developing and managing performance testing frameworks and pipelines
• Show a deep understanding of microservices architecture and environments, with primary experience in AWS and bare metal. Experience with Google Cloud Platform (GCP) and Azure is also valuable
• Exhibit proficiency in performance testing tools and methodologies, including experience with some of the following: Apache JMeter, Gatling, LoadRunner, BlazeMeter, Locust, k6, and Artillery
• Possess strong analytical and problem-solving abilities
• Demonstrate excellent communication and teamwork skills
• Have experience with containerization technologies like Docker and Kubernetes
• Have experience in testing and optimizing REST APIs and networking components
• Be comfortable with linux/posix/mac command line
• Be familiar with gradle and jenkins

Responsibilities

• Establish and manage a continuous performance testing pipeline using Jenkins, AWS, Kubernetes, and bare metal servers, with nightly runs to monitor and enhance system performance
• Design and maintain tools to simulate realistic user loads on Connexa’s services, including baseline testing, stress testing, spike testing, and soak testing to evaluate the system’s performance under various conditions
• Implement fault injection, latency testing, and other chaos engineering techniques to test the system's resilience and fault tolerance, ensuring it can handle failures gracefully
• Conduct both horizontal and vertical scalability testing to evaluate and enhance the system's ability to scale
• Collaborate closely with multiple cross-functional teams, including Architects, developers, DevOps, QAs, and security experts, to integrate performance testing into the CI/CD pipeline and optimize system architecture
• Diagnose and resolve performance issues, focusing on optimizing CPU, memory, I/O, and network utilization in cloud-based microservices architecture and bare metal systems
• Develop and maintain performance testing scripts and tools using several programming languages, including Java, Python, and C, with a strong emphasis on testing REST APIs and networking components
• Implement and use monitoring tools to track performance metrics and communicate findings effectively to stakeholders

Preferred Qualifications

• Have familiarity with monitoring and observability tools such as Grafana and Prometheus
• Possess deep networking experience, including a strong understanding of network protocols, network security, and traffic optimization techniques

Benefits

• Competitive pay rates
• Fully remote work environments
• Self-managed time off
• Team trips and special events