About this role

Senior SRE OpenX Daily tasks: - Design, write and deliver software to implement and support large web-scale, highly-performant, highly-available infrastructure on GCP/AWS (e.g. Terraform) - Monitor infrastructure, respond to incidents, correct and improve systems to prevent incidents, and plan capacity - Support system deployments and product releases - Tune large-scale clusters for optimal performance and efficiency - Work closely with engineering, project management, and operational peers to develop innovative technical tools and solutions - Participation in on-call rotation Musts: GCP, Communication skills, Terraform, Kubernetes, Docker, Go, AI, Monitoring, Google Cloud Platform, SRE What you need to have to be successful: At least 5 years of GCP experience Bachelor’s degree in Computer Science, related technical field involving systems engineering, or equivalent practical experience Experience with Kubernetes/Docker/Containers Experience with CI/CD Experience in one of the following: Java, Python, Go, or other Experience with current AI tools, especially Claude Code and Codex Good English skills Desirable Qualifications: Expertise in designing, analyzing and troubleshooting large-scale distributed systems Good understanding of public cloud services and tasks, such as: VPC; load balancing; relational and non-relational datastores (e.g., Google Cloud SQL, Memorystore, AWS RDS); storage (e.g., GCS, AWS S3); monitoring (e.g., GCP Stackdriver, AWS CloudWatch, Prometheus); serverless computing (e.g., GCF, AWS Lambda); and auto-scaling Ability to debug and optimize code and automate routine tasks Experience with security We are seeking a Senior Cloud SRE (Site Reliability Engineer) that will be primarily responsible for the performance, uptime, and growth of various OpenX systems and services on GCP.

Much of your software development focuses on optimizing cloud-native systems, orchestrating cloud infrastructure and eliminating manual work through automation. Excellent communication skills are crucial in this position so you could successfully interact with globally distributed OpenX teams operating in a 24x7 manner. We'd like you to commute to our Krakow office once a week to meet and work with the team. We are operating at a scale: 100% Cloud-based (GCP) platform Over 380 billion Ad requests every day Over 120 000 CPU daily Over 140 TB RAM daily Over 50 PB of data per week Over 1200 production deployments a month

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