Software Engineer, Cloudflare, London (Work from Home & Office)
Responsibilities: maintain and improve automated mitigation systems against DoS attacks, answer customer queries Redesigned with a colleague the data pipeline to display network analytics to customers. It involved mainly data extraction using eBPF, efficient and performant storage in ClickHouse and a public facing GraphQL API Extended and automated data extraction for public reports like “Network-layer DDoS attack trends for Q4 2020” Hand-optimized eBPF assembly, C code, ClickHouse tables and materialized views ✓ C, eBPF, XDP, Rust, Go, Docker, TCP, UDP, dos attacks, ClickHouse, GraphQL ...