DataWalk is a high-tech software product company that brings the next level of technology to the world through a patent-based hybrid graph analytical platform. Our system is used by US Departments, Intelligence Agencies, and top Fortune500 companies to combat money laundering, fraud, human trafficking, terrorism or organized crime. If you are interested in making the world a safer place and leverage a unique business opportunity, please read further.

We are looking for an experienced Senior Performance Test Engineer to join our Product Engineering Team.

As a Senior Performance Test Engineer at DataWalk, you will be ensuring our platform delivers optimal performance at massive scale for top Fortune500 companies and other major organizations processing hundreds of billions of objects and terabytes to petabytes of data. This role demands extraordinary analytical and technical expertise to proactively discover optimal system configurations, design and maintain complex performance test scenarios, tune infrastructure and application layers, and manage test environments on Kubernetes. You will maintain CI/CD pipelines powering our performance testing process and drive the adoption of AI-assisted scripting practices to elevate our testing productivity. We foster a culture of continuous growth, encouraging you to explore and implement new tools and practices, shifting the team's focus from reactive test execution to proactive performance optimization across the entire product. This is a chance to be a part of a company that's challenging the status quo in data analysis, offering a demanding but stimulating and rewarding environment for passionate performance engineering professionals.

Responsibilities: 

• Design, develop, and maintain complex performance test scenarios for a BigData platform processing hundreds of billions of objects at terabyte-to-petabyte scale.
• Analyze test results, identify bottlenecks, and recommend tuning strategies for infrastructure and application layers.
• Develop and maintain CI/CD pipelines for performance testing (Jenkins, Groovy).
• Drive performance enablement across the entire Product Engineering.
• Manage test environments on Kubernetes clusters (OKE, EKS).
• Document findings, provide recommendations, and communicate results to stakeholders.

Requirements:

• Have 5+ years of experience in performance engineering (preferably in a product company).
• Have hands-on experience designing and maintaining complex performance test scenarios using tools such as JMeter, Locust, k6.
• Have experience building and maintaining CI/CD pipelines (Jenkins, Groovy).
• Are proficient in Python for performance test scripting.
• Have practical experience in utilizing AI tools to automate and accelerate your work.
• Have practical experience with Kubernetes (debugging, resource management).
• Have experience with observability tools (monitoring, logging, tracing).
• Worked with BigData workloads.
• Have strong analytical skills, ability to work independently, take initiative, and drive improvements proactively.
• Native in Polish, and proficient in English.

We offer:

• Direct impact on the global expansion of the fast growing investigative analytics company with global ambitions.
• A competitive salary and an attractive package of benefits (private healthcare, life insurance, multisport cards, training).
• Growth opportunities in a dedicated and passionate team of professionals.
• A challenging and inspiring environment.
• Work remotely in a flexible, independent work environment.