Research Engineer Intern (Summer 2026)

Cloudflare is seeking a Research Engineer Intern to contribute to strategic projects related to cybersecurity, privacy, and system scalability. The intern will work on projects in-house and collaborate with academic research teams and open-source projects. The role involves engineering, data analysis, protocol design, and implementing primitives, with a focus on enhancing the integrity and resilience of the Internet.

Requirements

• Evidence of tackling hard or open-ended problems
• Proven track record of peer-reviewed research, open-source contributions, or standards development
• Experience clearly communicating research ideas through papers, pre-prints, standards documents, blogs, or similar media
• Ability to work in a systems-level programming language (e.g. Rust, C, Go) and a scripting language (e.g. Python)
• Passion for debugging and ensuring system reliability
• Willingness to share knowledge and learn

Benefits

• Internship