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Sii Poland • Warszawa, Pomeranian Voivodeship, Poland
Role & seniority: Senior Test Automation Engineer (SDET IV)
Stack/tools: Python/Java/Go; automated test frameworks for distributed systems; CI/CD; cloud: AWS or GCP; containers: Kubernetes, Docker; microservices; observability; infrastructure-as-code
Lead architecture and design reviews to ensure testability, observability, and reliability of distributed microservices and event-driven systems
Design, develop, and evolve scalable, self-healing automation frameworks supporting CI/CD and high-concurrency workflows
Own and optimize quality infrastructure: automated test creation/execution/monitoring, global trend analysis; drive shift-left, reliability engineering, and proactive testing
5+ years in test automation/SDET or similar
Expertise building automation frameworks for distributed systems (Python/Java/Go); strong CI/CD experience
Hands-on with cloud/container tech (AWS or GCP, Kubernetes, Docker)
Solid understanding of microservices, infrastructure-as-code, and observability; strong root-cause analysis
English proficiency at B2/C1 level; resident in Poland
Experience with chaos engineering and performance validation
Prior involvement in architecture decisions and quality KPIs; experience in Agile environments
Location & work type: Poland-based; long-term project; Agile collaboration with international teams; full-time opportunity
We are looking for a highly experienced Senior Test Automation Engineer (SDET IV) to join a long‑term project delivered by Sii for an international organization developing large‑scale, high‑traffic fraud and regulatory platforms. In this role, you will influence architecture decisions, shape quality engineering strategy, and design next‑generation automation frameworks for complex, distributed microservices.
You will work in a modern cloud environment (AWS/GCP, Kubernetes) and collaborate closely with Engineering and Product teams in an Agile setup. The position offers strong development opportunities through Sii’s certification programs and technology partnerships.
If you want to drive reliability, shift-left practices, and automation excellence - apply now!
Your tasks
Lead architecture and design reviews, ensuring testability, observability, and reliability of distributed microservices and event-driven systems Design, develop, and evolve scalable, self-healing automation frameworks supporting CI/CD and high‑concurrency workflows Own and optimize the quality infrastructure, including automated test creation, execution, monitoring, and global trend analysis Drive shift‑left practices, reliability engineering, and proactive testing approaches such as chaos principles and performance validation Collaborate within Agile teams to define test strategies, release readiness criteria, quality KPIs, and maintain high-quality technical documentation
Requirements
At least 5 years of experience in test automation, SDET, or similar engineering roles Strong expertise in building automation frameworks for distributed systems (Python, Java or Go) and working with CI/CD pipelines Hands-on experience with cloud and container technologies (AWS or GCP, Kubernetes, Docker) Solid understanding of microservices, infrastructure‑as‑code, and observability concepts; ability to analyze root causes of failures English proficiency at B2/C1 level Residing in Poland required
Job no. 260225-EDLFR
Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.
Benefits For You
Great Place to Work
Solid financial situation
Contracts with the biggest brands
Centre of internal trainings
Many experts you can learn from
Open and accessible management team
Profit sharing
Passion Sponsorship program
Regular integration events and trips
Comfortable and well-equipped offices
MySii app
Medical care