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

• Worked from home (part of the time), took oncall shifts
• Organized knowledge-sharing sessions to get new team member up to speed or to share insight from a research paper with colleagues
• Co-authored How we built Network Analytics v2