Cloudflare Research Engineer Intern Fall 2026 | Lisbon Newer internship

Edubard; Lisboa; On-site; EUR 10,000 - 17,000; Part time

Job summary

Cloudflare in Lisbon is offering a Fall 2026 Research Engineer Intern position. The role combines engineering work, measurement, and collaboration with researchers (IETF/academia) to tackle open problems in systems and security.

You will work in Lisbon in-office, contribute to ongoing directions, or propose ideas to improve Cloudflare technologies, with emphasis on AI, distributed systems, privacy, and TEEs, and produce clear technical writings.

Qualifications

• Evidence of tackling hard or open-ended problems
• Peer-reviewed research, strong OSS, or standards work is a plus
• Interest in AI, distributed systems, privacy, and/or TEEs
• Comfortable with engineering, data analysis, and clear technical writing
• Based in Lisbon for the Fall 2026 research internship

Job description

Cloudflare Research Engineer Intern Fall 2026 | Lisbon

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• Role: Research Engineer Intern (Fall 2026)
• Location: Lisbon, Portugal (in-office)
• Style: Engineering + measurement + open collaboration (IETF/academia)

Overview

Cloudflare Research pursues strategic projects with large impact on Cloudflare systems and the Internet — cryptography, privacy, networks, distributed systems, ML for systems, and more. Interns match to ongoing directions or propose concrete ideas that improve Cloudflare or Internet technologies.

Key Requirements

• Evidence of tackling hard or open-ended problems
• Peer-reviewed research, strong OSS, or standards work is a plus
• Interest in AI, distributed systems, privacy, and/or TEEs
• Comfortable with engineering, data analysis, and clear technical writing
• Based in Lisbon for the Fall 2026 research internship