Cloudflare · 1 month ago
Application Security Engineer
In-Office
Full-time
Onsite
Mid LevelCloudflare is a company on a mission to help build a better Internet, running one of the world’s largest networks that powers millions of websites. They are seeking an Application Security Engineer who will work with engineering and security teams to secure their products and platforms through various security assessments and implementations.
AnalyticsEnterprise SoftwareSecurityWeb Hosting
Responsibilities
Work with engineering teams to help secure Cloudflare products and platforms
Assess products and new feature releases through threat modeling, code review and security testing. Also provide guidance on effective countermeasures
Contribute to security architecture/design and assist in building and rolling out processes for secure code development and deployment
Build secure frameworks & libraries that engineering teams can use at scale
Build internal security tools and automate processes that help fix security problems at a massive scale
Managing and prioritizing multiple tasks in accordance with high level objectives
Qualification
Required
Experience in securing large scale distributed systems
Experience in designing, building and implementing systems
Experience in assessing the security posture of systems/services
Experience in penetration testing and providing mitigating controls
Strong engineering background and programming experience (Python, Golang, Rust, Bash, etc.)
Strong communication skills and ability to work with remote teams
Results and goal-oriented
Company
Cloudflare
Cloudflare is a web performance and security company that provides online services to protect and accelerate websites online.
Founded in 2009
1001-5000 employees
H1B Sponsorship
Cloudflare has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (117)
2024 (115)
2023 (66)
2022 (98)
2021 (83)
2020 (37)
Funding
Current Stage
Public CompanyTotal Funding
$2.08BKey Investors
Franklin TempletonFidelityUnion Square Ventures
2025-06-13Post Ipo Debt· $1.75B
2019-09-12IPO
2019-03-12Series E· $150M
Leadership Team
Matthew Prince
CEO & Co-Founder
Lee Holloway
Co-Founder & Lead Engineer
Recent News
2026-01-20
2026-01-19
FinSMEs
2026-01-19
Company data provided by crunchbase