Role Description As a Senior Site Reliability Engineer, you will focus on engineering solutions related to performance, availability, security, and cost-effectiveness. We consider these non-functional features to be core requirements for us and our customers. You will work at multiple layers of our internet-scale system (infrastructure, data, application logic) and build the solutions. What you will do: - Work with large-scale systems (handling millions of requests per second, serving millions of users, across multiple cloud providers). - Develop solutions to enhance performance, availability, security, and cost-effectiveness. - Keep us up, keep us fast, and keep our dev teams productive ensuring that every peer release improves performance across the spectrum including quality, security, uptime, speed-to-deliver, threat detection, and customer engagement. - Source improvement ideas, priority and capabilities from customers, the internal community, new and existing system metrics. Make decisions rapidly. - Be creative and desire an environment where you can directly create value and be a force to improve the experience for our customers. Qualifications - Expert in Kubernetes. - Expert in monitoring applications, infrastructure and network. - Background in software engineering with expertise in backend development within Kubernetes-based systems. - Strong programming skills in one or more of the following languages: Python, JavaScript, Go, C++, Rust. - Strong understanding and experience in networking, proxies, content delivery networks (Cloudflare). - Multi cloud experience including virtual networking, load balancing, web application firewall. - Strong experience with CI/CD. - Hands-on experience in development and orchestration within high-scale, high-uptime, and high-reliability environments. - Minimum of six years of hands-on experience in related roles (engineering, DevOps, SRE). - Familiarity with distributed systems, including queue-first architectures and sharding. - Demonstrated engineering expertise, including gathering requirements, problem-solving, and making recommendations. - Preferred: Familiarity with security frameworks, attack vectors, botnets, and impact analysis. Benefits - Fully remote position with flexible working hours. - An inspiring team of colleagues spread all over the world. - Pleasant, modern development and deployment workflows: ship early, ship often. - High impact: lots of users, happy customers, high growth, and cutting edge R&D. - Flat organization, direct interaction with customer teams.

• Design, build and maintain Azure infrastructure using Terraform as the primary IaC tool • Develop and own CI/CD pipelines across Azure DevOps and GitHub Actions for both infrastructure and application deployments • Automate provisioning, configuration and lifecycle management across multiple client environments and subscriptions • Implement and enforce security, governance and compliance baselines covering Azure Policy, RBAC, Key Vault, networking and landing zones • Monitor, troubleshoot and optimise performance, reliability and cost of Azure workloads • Act as senior technical escalation point for Azure, Terraform and DevOps practices • Coordinate workload and prioritisation across the team, conduct code and architecture reviews • Work closely with Solution Architects and the Head of Cloud Operations on solution design, migrations and customer onboarding • Participate in on-call / out-of-hours rota.

• Work with teams to define SLIs and SLOs • Create systems for observability • Work with teams to analyze failure scenarios and possible mitigations • Create runbooks to remediate or prevent failure scenarios • Reduce work that does not add value • Participate and facilitate incident management, including on-call duty

• Work with teams to define SLIs and SLOs. • Create systems for observability. • Analyze failure scenarios and possible mitigations. • Create runbooks to remediate or prevent failure scenarios. • Reduce work that does not add value. • Participate and facilitate incident management, including on-call duty.