
Elena Kovac
Security EngineerEmail:elena@cloudflare.com
Phone:+44 20 7555 019
Location:London, UK
Professional Summary
AppSec engineer securing infra serving 20% of the internet. Ex-NCC Group pentester. Known for clear communication, ownership, and shipping measurable outcomes. Combines strong software fundamentals with cross-functional collaboration and a bias for execution.Experience
Sep 2022Present
Senior Security Engineer
Cloudflare · London
• Owned bug bounty triage (280+ reports/qtr)• Landed WAF rule reducing L7 DDoS 62%
• Ran red-team engagements across 4 internal orgs
• Cut cloud spend 17% through right-sizing and caching
• Wrote design docs and RFCs adopted by 5 teams
Jan 2020Dec 2022
Full-Stack Developer
StackForge · Toronto, Canada
• Wrote design docs and RFCs adopted by 4 teams• Improved CI cycle time from 34m to 12m
• Owned critical services at StackForge; improved p95 latency by 34%
• Led migration of 9 services to modern stack with zero downtime
• Mentored 6 engineers; 3 promoted within a year
Skills
Rust, Go, Python, Wireshark, Burp Suite, ZAP, OWASP, WAF, Cloudflare Workers, Kubernetes SecurityProjects
API Performance Initiative (Cloudflare)
TypeScript, React, Node.js, PostgreSQL
• Documented learnings reused by peer teams
• Recognized in team/org review for execution quality
Developer Experience Toolkit
TypeScript, React, Node.js, PostgreSQL
• Documented learnings reused by peer teams
• Recognized in team/org review for execution quality
Data Sync Pipeline
TypeScript, React, Node.js, PostgreSQL
• Documented learnings reused by peer teams
• Recognized in team/org review for execution quality
Education
M.Sc, Cybersecurity
Royal Holloway
London
Certifications
OSCP
CISSP