Performance Tester

Company: fortice
Apply for the Performance Tester
Location: London
Job Description:

Overview

In this role you will define, develop and execute performance tests across the full development lifecycle for Capgemini clients. You’ll work within the BTS/MTS structure to drive testing transformation from embedded approaches to value-based services. You’ll collaborate with Technical Leads and delivery teams to tune applications and report how they behave in production scenarios. The opportunity combines hands-on test design with strategic input on performance, enabling impactful outcomes for large-scale technology projects. This role offers growth through professional development and a culture that blends collaboration with entrepreneurial spirit.

Pay / Benefits

  • Professional development
  • Accelerated career progression
  • Flexible benefits package
  • Collaboration-focused culture

Responsibilities

  • Create Workload Analysis and Performance Test Approach documents from non-functional specs
  • Develop performance test scripts, data and scenarios aligned with the documented approach
  • Execute prescribed performance tests and log deviations from the defined scenarios
  • Record test results and provide extrapolations for production performance
  • Collaborate with Technical Lead and environment teams to fix issues and retest
  • Prepare Performance Test Evaluation report summarising findings

Key requirements

  • Strong capability in at least two performance test tools (e.g., LoadRunner, JMeter)
  • Solid technical background with knowledge of at least one programming language
  • Fundamental understanding of web server, database and application technologies
  • Experience in monitoring different servers, protocols and application layers
  • Technologies: C#, .NET, TCP/IP, IIS, SQL Server, network/topology knowledge, RESTful services, WSDL, FTS
  • collaborative
  • problem-solving
  • client-focused
  • LoadRunner
  • JMeter
  • C#

…

Posted: October 1st, 2026