TL;DR

Senior Performance Test Engineer: Designing and optimizing performance testing frameworks and automated test suites for complex distributed systems with an accent on performance analysis, bottleneck identification, and remediation. Focus on evolving testing frameworks, integrating performance testing into CI/CD, and mentoring junior engineers.

Location: Prague, Czech Republic or Krakow, Poland

Company

%hirify_global% is a high-tech software company, part of ASSA ABLOY Group, that powers trusted identities for people, places, and things through smart components and cloud services for IoT applications.

What you will do

Design, implement, and maintain performance testing frameworks and automated test suites.
Lead performance analysis efforts, identify system bottlenecks, and partner with engineering teams on remediation.
Develop realistic performance test scenarios based on production usage patterns and requirements.
Generate high-quality performance reports with actionable recommendations and communicate findings.
Establish and enforce performance standards, SLAs, and best practices across teams.
Support integration of performance testing into CI/CD pipelines and advocate for continuous performance validation.

Requirements

5+ years of experience in performance testing or engineering.
Strong hands-on experience with at least one major performance testing tool (e.g., JMeter, Gatling, K6, Locust, LoadRunner).
Solid programming or scripting skills in languages such as Java, Python, JavaScript/TypeScript, or Go.
Strong understanding of distributed systems, API performance, databases, caching, and networking fundamentals.
Proven ability to analyze performance metrics, identify bottlenecks, and recommend improvements.
Experience testing high-traffic or mission-critical applications.

Nice to have

Experience with APM/observability platforms (e.g., Datadog, New Relic, Dynatrace).
Experience with containerized and cloud-native environments (Docker, Kubernetes, AWS/GCP/Azure).
Background in SRE, capacity planning, chaos engineering, or reliability optimization.
Familiarity with event-driven systems, streaming platforms (Kafka, Pulsar), or microservice architectures.
Knowledge of CI/CD automation (GitHub Actions, GitLab CI, Jenkins, Argo).

Culture & Benefits

Competitive salary and rewards package.
Competitive benefits and annual leave offering, allowing for work-life balance.
A vibrant, welcoming & inclusive culture.
Extensive career development opportunities and resources.
Flexible work environment, learning and enhancing expertise.
Be part of a global organization that is pioneering trusted identity solutions.