Location: Heerlen, Netherlands
Hours: 32–40 hours per week
Experience Required: Minimum 6 years
Work Environment: Agile / DevOps
Role Overview
Seeking an experienced Performance Engineer to improve the speed, stability, scalability, and efficiency of digital applications. This role combines hands-on performance testing with strategic analysis and advisory responsibilities, contributing to high-quality user experiences across complex systems.
Key Responsibilities
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Design, execute, and analyze performance tests (load, stress, endurance)
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Develop and maintain performance test scripts
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Interpret performance data and provide actionable insights
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Identify root causes of performance issues and recommend improvements
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Define and implement performance testing strategies and best practices
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Evaluate system architecture and design from a performance perspective
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Collaborate with cross-functional teams including developers, architects, and product owners
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Support continuous performance improvement across multiple teams and systems
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Lead knowledge sharing and act as a subject matter expert
Required Skills & Qualifications
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Bachelor's or Master's degree in IT or related field
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Minimum 6 years of experience in performance engineering or similar role
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Strong knowledge of performance testing and monitoring tools
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Experience with programming/scripting languages
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Proven ability to analyze and resolve performance issues in complex environments
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Familiarity with web and mobile application technologies
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Experience working in Agile and DevOps environments
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Strong analytical and problem-solving skills
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Excellent communication skills with the ability to explain technical concepts clearly
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Ability to work independently and collaboratively across teams
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Fluent in Dutch and English (written and spoken)
Key Competencies
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Strategic and analytical thinking
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Leadership and mentoring abilities
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Adaptability across multiple teams and projects
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Strong stakeholder management and advisory skills
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Continuous learning mindset
