Software Engineer Intern (Fall 2026)

At Cloudflare, we are on a mission to help build a better Internet.

We are looking for a Software Engineer Intern to join our team in Lisbon, PT for Fall 2026.

Responsibilities:

• Ship and deliver projects over 12-14 weeks with autonomy and support.
• Work cross-functionally with various teams.
• Work closely with a mentor to guide you through the internship and help with career goals.
• Build your network across the company through our various in and out of office socials, networking programs, Employee Resource Group (ERG) programs, and Activity Groups.
• Present your project to the entire company at the end of the internship.
• Connect and learn from our executives and leadership team including our co-founders.
• Learn and develop skills through our professional development workshops.
• Write for our Cloudflare blog and be featured on Cloudflare.tv sessions.

Desirable Skills, Knowledge and Experience:

• Currently pursuing a degree or program in Computer Science, Engineering, Mathematics, Statistics or relevant field to the role.
• Demonstrated critical thinking skills and drive to learn and adapt new technologies.
• Curiosity, empathy and ability to get things done.
• Ability to commit to a full-time (40 hours/a week Monday - Friday) for a minimum 12 week internship.
• Our available terms are September 14 - December 4 or September 28 - December 18.
• In office 3-5 days a week in Lisbon, PT.

Technologies used: Typescript/Javascript, Go, Rust, C/C++ and Python.