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Non - Functional Tester - Java, Loadrunner, CI

  • Salary: Negotiable
  • Job type: Contract
  • Location: London
  • Sector: Other
  • Date posted: 28/08/2018
  • Job reference: J388557A

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Non - Functional Tester

6 months

West London

Job Description:

The successful candidate will have a strong scripting, development and non-functional testing (performance and resiliency) background with deep technical expertise. Will have excellent oral and written communication skills and be able to communicate with technical and non-technical stakeholders. Experience of working with Agile and Scrum.

Skills and Experience:


  • Experience with a few commercial and open source performance testing tools such as Gatling, /Jmeter / Performance Center/ Load Runner / Soasta
  • Development skills using open source technologies using one or many languages such as Python, Ruby, Java, Scala
  • Experience of automating performance testing as part of Continuous Delivery / Deployment path to production
  • Good working understanding of Microservices Architecture
  • Good hands on knowledge of open source tools such as GitHib, Jenkins and other build automation tools, Continuous Delivery pipelines (e.g. Go)
  • Good understanding of Restful APIs design
  • Good working knowledge of non-functional testing including: performance, resiliency, network, disaster recovery etc.
  • Experience of Load Testing the End to End within a micro services architecture
  • Proven record of developing load test scripts, running and analysing results of the load tests
  • Hands-on experience on software and infrastructure resiliency testing
  • Good working knowledge of Unix commands and be comfortable working from the command line
  • Knowledge of relational and non-relational databases (like Cassandra, MongoDB).
  • Demonstrating sound understanding of web architecture e.g. networks topology, web applications, web servers, CDNs etc.
  • Worked on High Availability Low Latency applications.
  • Working knowledge of applications in containerised deployment using Docker, Kubernetes or similar hosted in Data Centers and / or in the Cloud
  • Experience with traffic monitoring systems to aid scaling and capacity planning
  • Establishing performance and non-functional requirements
  • Experience in developing performance and non-functional test plans.
  • Setup monitoring tools to gather performance measurements -e.g. Prometheus, AppDynamics, New Relics
  • Experience in analysing application performance bottlenecks and performance tuning
  • Reporting to project's stakeholders to assist them with decision and risk assessment with non-functional readiness
  • Help delivery teams understand performance and resiliency test concepts and methodologies


  • Experience of working with both Microservices and Monolith architecture, ideally having worked on migration from Monolith to Microservices
  • Experience of automated resiliency testing of microservices
  • Experience of content management / supply chain systems / content discovery and delivery -such as EPG, Search APIs, Personalised recommendations
  • Experience of working with CDN
  • Experince of working with Solr would be a bonus

Suitable candidates should submit their CV in the first instance

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