Senior Site Reliability Engineer

XTB is a global company from the financial industry, focusing on online trading of financial instruments. It is the largest FinTech in Poland and a leader in Central and Eastern Europe, operating in several countries including Asia and South America. XTB offers training and development programs and operates in an international business environment.

• At least 5 years of professional experience in SRE, Infrastructure, or DevOps roles managing high-scale, distributed environments.
• Advanced programming skills in Python focused on scalable automation, internal tooling, and robust scripts.
• Hands-on expertise with production-grade Kubernetes environments, configuration management tools like Ansible, and resilient infrastructure architectures in Azure Kubernetes Service and on-prem environments.
• Proficiency in building standardized telemetry ecosystems using self-hosted open-source tools such as Prometheus, Grafana, ELK Stack, Tempo, Thanos, and Jaeger.
• Ability to drive incident management, conduct post-incident analysis, and foster a culture of reliability and shared ownership.
• Ability to leverage AI/ML techniques for SRE tasks including AIOps, automated anomaly detection, and log analysis.
• Experience with commercial observability and APM solutions (e.g., Datadog, Splunk, New Relic) or chaos engineering frameworks is highly valued.

• Develop a standardized observability ecosystem with a conscious telemetry model focusing on structured events, distributed tracing, and intelligent sampling.
• Act as a strategic partner to product engineering teams by providing platforms, standards, and data to own service reliability using error budgets and alerting.
• Enhance detection capabilities to identify issues before customer impact using early-warning systems and AI/ML for automated anomaly detection.
• Build internal automation and tooling to streamline SRE workflows and automate routine operational tasks.
• Participate in on-call rotation for incident management, ensuring rapid resolution, effective communication, and post-incident analysis.