Cloudflare is seeking a Software Engineer Intern for a 12-14 week program in Lisbon, Portugal, with hybrid in-person workflow. Available locations: Lisbon, Portugal. The Winter/Spring 2027 (January–May) and Summer 2027 (May–September) terms are offered. Interns will work with Cloudflare's engineering teams, writing code that powers the Internet at scale, and will have a mentor to guide their development. Responsibilities include delivering projects autonomously, collaborating cross-functionally, presenting projects to the company at the end of the internship, and participating in networking and professional development activities. Ideal candidates are currently pursuing a degree in Computer Science, Engineering, Mathematics, Statistics, or a related field with strong critical thinking and a willingness to learn new technologies. The internship requires full-time commitment (40 hours/week), with in-office expectations of 3-5 days per week in Lisbon, Portugal (9:00 AM–6:00 PM). Technologies used include Typescript/Javascript, Go, Rust, C/C++, and Python. For Portugal-based hires, the monthly salary is €2,450. Note that this is an in-person program and remote options are not available. This internship is designed to provide hands-on Internet-scale experience and a path to grow with Cloudflare.

Cloudflare is seeking a Software Engineer Intern for a 12-14 week program in Lisbon, Portugal, with hybrid in-person workflow. Available locations: Lisbon, Portugal. The Winter/Spring 2027 (January–May) and Summer 2027 (May–September) terms are offered. Interns will work with Cloudflare's engineering teams, writing code that powers the Internet at scale, and will have a mentor to guide their development. Responsibilities include delivering projects autonomously, collaborating cross-functionally, presenting projects to the company at the end of the internship, and participating in networking and professional development activities. Ideal candidates are currently pursuing a degree in Computer Science, Engineering, Mathematics, Statistics, or a related field with strong critical thinking and a willingness to learn new technologies. The internship requires full-time commitment (40 hours/week), with in-office expectations of 3-5 days per week in Lisbon, Portugal (9:00 AM–6:00 PM). Technologies used include Typescript/Javascript, Go, Rust, C/C++, and Python. For Portugal-based hires, the monthly salary is €2,450. Note that this is an in-person program and remote options are not available. This internship is designed to provide hands-on Internet-scale experience and a path to grow with Cloudflare.