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. 

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. 

In return, this is what you can expect from us:

• Hybrid way of working (2 office days, 3 days working from home)
• Private health insurance package (for employees working with us for a year and more)
• International and in-house training possibilities
• Education budget to suit your own development
• International projects
• Diverse teams (in 2023 our office has the the 'Most diverse Company' special award in the Loveable Workplace competition)

And there's more:

• Kid and dog friendly office
• Annual team building days and many fun events
• Award-winning and well-equipped office

Our Enterprise Solutions division houses strategic consultants, creative and technical architects and skilled developers and operators that together help some of the world’s leading organisations to deliver outstanding digital experiences across all major routes to market worldwide: marketplaces, online retailers, D2C, B2B and social platforms. With over 4,200 experts in 55 operational centres across 34 countries, our capabilities span the entire buying journey from customer acquisition, through engagement, to conversion and loyalty, driving multi-channel growth for world-leading brands.

We work with some of the most exciting brands such as The Coca-Cola Company, EY, Bosch, Unilever, Ford, DFS, Mercedes-Benz, Johnson & Johnson, Nestlé, Sainsbury’s, Selfridges, Shell and Tiffany & Co. We’ve built over 500 platforms for brands and retailers and generate in excess of $29bn annually for our clients and work with over 50 strategic partners including Adobe, SAP, Salesforce, HCL, Shopify, Sitecore, BigCommerce, commerce tools and Acquia. Our reputation is based on our people, and we believe we have some of the best in the business.

As our business grows internationally, we’re looking for new people to join us on our journey to inspire and take a key role in shaping some of the best commerce solutions, services, and websites in the world. Working as a team, no problem is insurmountable; we share in our client’s successes and believe that anyone can show creative bravery no matter what their role is in the team.

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