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Sii Poland • Lublin, Lublin Voivodeship, Poland
Role & seniority: Senior Test Automation Engineer (SDET IV); long-term, full-time role
Stack/tools: Python, Java or Go for automation frameworks; CI/CD pipelines; cloud: AWS or GCP; containerization: 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 quality infrastructure, test creation/execution/monitoring and global trend analysis
Drive shift-left practices, reliability engineering, and proactive testing (e.g., chaos principles, performance validation); collaborate in Agile teams to define test strategies, release readiness criteria, quality KPIs, and maintain technical documentation
5+ years in test automation/SDET or equivalent
Expertise building automation frameworks for distributed systems (Python, Java or Go)
Experience with CI/CD pipelines
Hands-on with cloud/container tech (AWS or GCP, Kubernetes, Docker)
Understanding of microservices, IaC, observability; able to analyze root causes
English proficiency (B2/C1)
Located in Poland
Experience with chaos engineering, performance validation
Self-healing automation, event-driven architectures
Advanced observabil
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