Senior DevOps Engineer (Cloudflare)
Location: Belgrade, Serbia
Department: DevOps
BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing. Young, ambitious, and unstoppable, we've already taken Cyprus, Malta, Portugal, Poland, and Serbia by storm. Our BRO team consists of 1,300 bright minds creating innovative ideas and products. We don’t follow formats. We shape them. We build what works, launch it fast, and make sure it hits.
We are looking for a skilled Senior DevOps Engineer in our office in Serbia, Belgrade.
✅ Responsibilities:
- Multi-CDN & Edge Management: Manage and optimize Edge Services across multiple providers, including Cloudflare, Fastly, and Gcore. This includes configuring DNS, CDN, Edge Computing (Snippets/Workers), Access Control, and WAF policies.
- Provider-Agnostic Resilience: Design and implement cloud-agnostic failover strategies and high-availability solutions to ensure service continuity, preventing vendor lock-in and dependency on a single provider.
- Traffic & Performance Engineering: Monitor and fine-tune HTTP traffic handling, global load balancing (GSLB), and caching strategies to minimize latency and optimize content delivery at a global scale.
- Mass Domain & SSL Management: Orchestrate configurations for a large-scale domain portfolio, including automated SSL/TLS provisioning and unified security policy enforcement across different platforms.
- Advanced Infrastructure as Code (IaC): Maintain reusable and scalable configurations using Terraform or OpenTofu to manage diverse provider environments, ensuring infrastructure is auditable and consistent.
- Security & Web Protection: Collaborate with security teams to implement robust Rate Limiting, DDoS mitigation, and Bot Management across the network and application layers.
- Observability & Incident Response: Participate in on-call rotations, perform root cause analysis (RCA), and tune performance for both edge and application layers using centralized monitoring tools.
- CI/CD & Automation: Integrate edge configuration changes into CI/CD pipelines, automating deployments and ensuring rigorous testing of infrastructure changes.
✅ Must Have:
- 2+ years in DevOps, Site Reliability, or related roles with a focus on Cloudflare services.
- Solid understanding of HTTP protocol, caching principles, and CDN concepts.
- Experience managing Cloudflare DNS, Firewall Rules, Page Rules, Workers, and related services.
- Strong knowledge of Nginx (or similar: Envoy, HAProxy) for reverse proxy and load balancing.
- Proficiency with Infrastructure as Code concepts and practical experience with Terraform.
- Understanding of networking fundamentals including TCP/IP, routing, and security best practices.
- Experience working with Linux environments and scripting (Bash, Python, or similar).
✅ Nice to Have:
- Experience with Cloudflare Enterprise features (Argo, advanced caching, Cloudflare Workers KV).
- Experience with performance testing and analysis tools for CDN and edge optimization.
- Familiarity with container orchestration systems (Kubernetes).
- Experience with CI/CD systems (GitLab CI, Jenkins).
- Basic security knowledge (SSL management, security headers).
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