Senior Performance Engineer

Senior Performance Engineer needed to join our team on a permanent basis, here at VML Enterprise Solutions.

The opportunity:

The individual should possess strong analytical and problem-solving skills and have an eye for detail. We require a highly-motivated individual with well-developed interpersonal skills. You will be the Technical Performance Analyst in a specialist performance team working across VML Enterprise Solution’s broad client base.  

What you’ll be doing: 

You will be involved in the defining and creating performance scripts, executing the performance testing and then analysing, in detail, the results, and identifying problematic features and making recommendations to the wider team to resolve these.  

This is a key role, responsible for the delivery and support of many high-profile eCommerce systems. The challenges you will face include different architectures, application components and their interaction. 

What we want from you: 

• Knowledge & experience in performance testing of eCommerce applications. 
• Solid experience Performance test load generation using JMeter. 
• Previous knowledge of working within an Agile environment. 
• Knowledge of Application Monitoring Tools such as DynaTrace, AppDynamics or NewRelic. 
• Hands on experience performance problem determination and root cause analysis. 
• Good knowledge and proven experience working on Linux and cloud (AWS or Google) environments. 
• Experience tuning highly scalable applications, including reviewing configurations around cache sizes and heap sizes. 
• Experience interpreting and analysing real user monitoring statistics (RUM). 
• Experienced in load forecasting for peak times and assessing likely resilience of systems as well as making recommendations on how to improve based on business needs.  
• Experienced in pinpointing performance issues in live systems. 
• Very good backend testing skills – conversant in databases (DB2, Oracle), SQL knowledge, use of DB Visualiser or other tools. 
• Competent in logging identified issues and tracking them through to resolution. 
• Highly organized and owns their own deadlines, willing to go above and beyond what was promised to deliver quality service. 
• Excellent interpersonal skills and a proven ability to collaborate with all stakeholders. 
• Wanting to learn and grow, the role will be constantly changing allowing exposure to different technologies and tools. 

You will collaborate with our UK project team, occasionally you will need to be available until 18:00 PL time.

If you know some of this, even better: 

• Ecommerce platform expertise and experience performance testing and analysis on IBM WebSphere Commerce, SAP Hybris or Magento and SOLR, Fredhopper or other search services. 
• Experience setting up performance monitoring using Grafana, APMS or other tooling. 
• Experience implementing performance testing in a continuous delivery environment. 
• Scripting (perl, awk, python etc.) 
• Exposure to Java or PHP 
• Experience with Apache Tomcat, JBoss 
• Experience with other load generation tools eg LoadRunner, CloudTest or NeoLoad  
• Experience in front end page load analysis and profiling and optimisation using Webpagetest, Pagespeed, Speedcurve, sitespeed.io or other tools. 

What we can offer you:

• Salary depending on presented skills: 21 800 - 30 000 PLN net on B2B contract
• Hybrid work style and flexible working hours - you can work from home, from our offices, or mix your work plan
• Office and online integration events and team building activities 
• Internal knowledge sharing and team initiatives (hackathons, lightning talks, mentoring, team and company-wide retreats) 
• Work equipment tailored to your needs

Please note that this job is a full-time position located in Poland, but the selection process will be conducted in English.

Please send over your CV in English.

Alongside the opportunity to work with some of the most exciting brands around the world, we’ll also prioritise your career development and help you grow your skills. We’ll empower you to make a difference, allow you to be yourself, and respect who you are.