Senior Performance Test Engineer (f/m/x)

Nasze wymagania:
Minimum 5 years of experience in performance engineering or testing
Hands-on experience with performance testing tools such as LoadRunner, Apache JMeter, and Gatling
Strong understanding of performance testing methodologies, workload modeling, and capacity planning
Experience analyzing application logs, system metrics, and identifying performance bottlenecks
Familiarity with application performance monitoring (APM) tools such as Dynatrace and Elasticsearch
Experience integrating performance testing into CI/CD pipelines is a strong advantage
Fluent Polish and English

Mile widziane:
Familiarity with Grafana and Prometheus

O projekcie:
We are looking for an experienced Senior Performance Test Engineer to join a dynamic Agile team responsible for developing and supporting digital fleet management platforms used across multiple countries. In this role you will ensure the scalability, reliability, and efficiency of our digital platforms throughout the entire software delivery lifecycle. You will collaborate closely with Product Teams, Cloud Engineering, and QA communities to embed performance best practices into delivery teams and support the industrialization and standardization of performance testing across the organization. The role is based in Warsaw and offers a hybrid working model.

Zakres obowiązków:
Designing and implementing performance testing strategies aligned with product architecture
Integrating performance testing into CI/CD pipelines to enhance delivery efficiency
Defining performance acceptance criteria and non-functional requirements (NFRs)
Developing and maintaining automated load, stress, endurance, and scalability test scenarios
Analyzing application and infrastructure behavior under load to identify performance bottlenecks
Collaborating with engineering teams to improve system scalability, resilience, and overall performance
Defining, measuring, and monitoring key performance indicators (KPIs), including latency, throughput, response times, and resource utilization
Partnering with Operations and Site Reliability Engineering (SRE) teams to validate system stability and production readiness
Developing reusable test assets, datasets, CI/CD pipelines, and automation templates

Oferujemy:
Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
Comfortable workplace – class A offices or remote work
Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
Investment in your growth – meetups, webinars, training platform and technology blog – you choose
Fantastic atmosphere created by all Sii Power People