Application Security Engineer
CloudflareHybrid; In-OfficePosted 7 April 2026
Job Description
About Us
At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company.
At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in.
Available Locations: Bengaluru
About the Department
The Security team at Cloudflare is focused and committed to helping secure both Cloudflare and our customers. The Application and Product Security team at Cloudflare is focused on and committed to securing both Cloudflare and our customers. The Application Product Security team is responsible for keeping our products, and platforms secure.
What you’ll do
We are looking for a Security Engineer to help us in our mission to build a better internet. Part engineer, part hacker, you will work with our engineering and security teams to build solutions for .
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
Key skill sets and Knowledge
Security engineers take part in a wide variety of tasks and projects on the team. One individual is not expected to know everything, but a working knowledge in several of the following areas is 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
What Makes Cloudflare Special?
We’re not just a highly ambitious, large-scale technology company. We’re a highly ambitious, large-scale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet.
Project Galileo
: Since 2014, we've equipped more than 2,400 journalism and civil society organizations in 111 countries with powerful tools to defend themselves against attacks that would otherwise censor their work, technology already used by Cloudflare’s enterp ... (truncated, view full listing at source)
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