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Product Test Engineer

Posted 2 Feb 2024
Work experience
0 to 7 years
Full-time / part-time
Job function
Degree level
Required language
English (Fluent)

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As a Barclays Product Test Engineer, you will be responsible to work with multiple business aligned scrum teams to conduct performance-based testing, engineering, and monitoring activities. In this role, you will work with the scrum teams and members from a central Performance Engineering team to test the performance of the systems, documenting issues, and work with whomever it takes to identify root cause of any issues. The measure of success is preventing any significant performance problems from hitting Production at a large scale.

Barclays is one of the world's largest and most respected financial institutions, established in 1690, with a legacy of success, quality, and innovation. We offer careers that provide endless opportunity – helping millions of individuals and businesses thrive and creating financial and digital solutions that the world now takes for granted.

At Barclays, we offer a hybrid working experience that blends the positives of working alongside colleagues at our onsite locations, together with working from home. We have a structured approach where colleagues work at an onsite location on fixed, ‘anchor’, days of the week, for a minimum of two days a week or more, as set by the business area (or nearest equivalent if working part-time hours). Please discuss the working pattern requirements for the role you are applying for with the hiring manager. Please note that as we continue to embed our hybrid working environment, we remain in a test and learn phase, which means that working arrangements may be subject to change on reasonable notice to ensure we meet the needs of our business.

What will you be doing?

Collaborating with Test lead, Bas and development groups to conduct performance testing and analysis to ensure performance, stability and scalability of applications

Understanding the NFRs, design workload modelling, test scenarios, scripts etc., reporting on the possibilities of performance failures, making decisions for next steps

Measuring, monitoring, and capturing required infrastructure & application performance metrics, logs, and reports

Measuring results against business and technical requirements, collaborating with Test Leads, Delivery/Business Leads on the delivery of results

Being responsible for developing and validating test scripts against business unit-of-work requirements and scripting best practices

Reacting accordingly to various challenges before, during and after application performance testing engagements

Utilizing diagnostic and monitoring tools like CA Wily Introscope, AppDynamics etc. to measure, detect, isolate, and resolve performance issues found during testing

Instrumenting Java calls/Methods on AppDynamics for testing and migrating the calls to monitor the applications calls performance in production systems

What we’re looking for:

Skilled with Load Runner/HP Performance Center required script creation using VuGen for Web (HTTP/HTML), Web services, etc. protocols (as applicable) to emulate the application

Ability to build custom code with C programming language to make scripts robust and dynamic and experienced with Agile Software development methodologies

Experienced with monitoring tools like CA Wily Introscope, AppDynamics, vmstat, iostat, htop and Splunk

Experienced with testing applications on cloud-based environment, and experienced with testing DB’s like Mongo DB and Oracle DB’s

Skills that will help you in the role:

Conceptual Understanding/Hands on of AIX, VMware, Tomcat, SQL Server, Oracle, etc

Prior experience/knowledge working with Banking Domain/Application and tuning/optimization of .NET/J2EE Applications

Experienced in writing simple monitoring and data extraction tools in Java, Python, and/or Unix shell

Experienced of working and implementation of CICD pipeline

Where will you be working?
Our new state-of-the-art Campus, right in the heart of Glasgow is a hub of creative collaboration. A place where everyone can bring their true selves to work and reach their full potential. Home to 5,000 of our colleagues, our Tradeston campus will support the community in more ways than one - by creating thousands of new career opportunities and celebrating local artists. A short walk from Central Station on the south of the Clyde, it will be a key location for the Barclays business that will deepen our ties with the city and its communities.


Barclays moves, lends, invests and protects money for 48 million customers and clients worldwide.

Finance & Banking
55,000 employees