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Performance Test Engineer

Published date 3 months ago
Posted: 3 months ago
Company Relex
Company: Relex
Location Helsinki
Location: Helsinki

<p><img src="" alt="" width="100%" height=""></p> <p>We are now looking for a Performance Test Engineer, or alternatively a Software Engineer looking to convert to the scientific arts of Performance, to join our RELEX family in Helsinki.</p> <p>The Performance of our Software, handling in-memory databases of up to billions of data rows and with massive computation requirements, is critical for the company and a differentiating factor versus our competition.</p> <p>Together with the other members of the Performance Team we will apply the scientific method - hypothesis; experimentation; observation - to explore the Performance characteristics of High Performance Computing servers with up to hundreds of CPU Cores and TiB of Memory, operating in distributed systems.</p> <p>&nbsp;</p> <p><strong>What you’ll be doing:</strong></p> <ul> <li>Expand and maintain existing test frameworks developed in JMeter and create new test frameworks</li> <li>Conduct Performance Testing - follow up on hypothesis raised; experiment them with appropriate test frameworks and load patterns; analyse resulting performance</li> <li>Report findings to development teams and work with them to improve the performance</li> <li>Help deploy and maintain clusters of Linux servers</li> </ul> <p>&nbsp;</p> <p><strong>What you’ll bring to the table:</strong></p> <ul> <li>Experience with performance testing or alternatively a solid background as a Software Engineer willing to convert to performance</li> <li>A scientifically minded approach to quality of measurements <em>(accuracy and precision of the measurements)</em>; quality of the experiments <em>(isolation of variables)</em>; willingness to bounce ideas with colleagues and even peer-review performance work</li> <li>Strong perseverance to conduct investigations to get to the bottom of issues <em>(ex: going through log files searching for error messages; explore different approaches to debugging; etc)</em></li> <li>Strong communication skills in English <em>(English is our company language)</em></li> </ul> <p><strong>&nbsp;</strong></p> <p><strong>What we consider as an advantage:</strong></p> <ul> <li>Experience with Linux servers or even with performance-optimizing the Linux Kernel</li> <li>Experience with the Java language <em>(preferable)</em> or another Garbage-Collecting language <em>(ex: C#)</em> or even performance-optimizing JVMs</li> <li>Experience with distributed systems <em>(ex: the tools ZooKeeper, Helix, Linkerd, etc)</em></li> <li>Experience CPU-profiling applications</li> <li>Experience with high-performance Hardware or benchmarking Hardware</li> </ul> <p>&nbsp;</p> <p><strong>What we offer you in return:</strong></p> <ul> <li>Interesting and challenging case work and development tasks</li> <li>Possibility to influence the way we do things and plan your own work</li> <li>Flexible work hours and a possibility to work remotely</li> <li>International working environment and learning opportunities in a rapidly growing software company with modern work culture</li> <li>Occupational healthcare provided by Heltti and an extensive IF Health Insurance</li> <li>A gym at the office and a lot of other sport activities: yoga, HIIT, floorball, badminton...</li> <li>Mobile phone and home internet benefit</li> <li>Support for the families: a sick childcare service, a paid day off when your child starts the school for the first time, flexible work arrangements</li> </ul> <p>&nbsp;</p> <p><strong>Are you the one we’re looking for? Apply today and become a part of our RELEX family!</strong></p> <p>You can apply by sending your resume, cover letter, and a link to your portfolio or work samples through the application form as soon as possible, but no later than the 28th of February<strong>. </strong>Please note that we will fill this position as soon as we’ve found the right person, so we recommend that you act quickly.</p> <p>If you have questions, our Talent Acquisition Coordinator Karoliina Kujala is happy to answer them by email (karoliina.kujala[a]</p> <p>&nbsp;</p> <p><em>Due to the severity of COVID-19, we’ve moved to a remote working mode. Restrictions being in place, we’re currently unable to schedule in-person interviews, relocate new employees to our offices, and onboarding is primarily completed remotely, depending on the country-specific recommendations. Our mission is to keep everyone safe while adapting to changing times</em>.</p> <p>&nbsp;</p> <p><strong>About RELEX</strong></p> <p>RELEX Solutions is a leading provider of cutting-edge retail optimization software. We offer our customers radically improved demand forecasting and supply chain optimization, which then can be leveraged into exponential benefits — optimizing store space, allocation, workforce, pricing and promotion strategies, all within our unified platform.</p> <p>&nbsp;</p> <p>RELEX is trusted by leading brands including Kesko, S Group, AutoZone, Rossmann, and has offices across North America, Europe, and the Asia Pacific region.</p>