Cloudflare Research Engineer Intern Fall 2026 | Lisbon
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Fast Facts
- Company: Cloudflare
- Role: Research Engineer Intern (Fall 2026)
- Location: Lisbon, Portugal (in-office)
- Team: Cloudflare Research
- Focus: AI, Distributed Systems, Privacy, Trusted Execution Environments
- 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
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