
About Cloudflare
Empowering a secure and fast Internet for all
Key Highlights
- Public company (NYSE: NET) with a $4.4B valuation
- Over 3 million customers including Shopify & Discord
- Headquartered in San Francisco with a global presence
- $1B+ raised from investors like Franklin Templeton & Pelion Venture Partners
Cloudflare, Inc. is a leading web infrastructure and security company based in San Francisco, California. With over 3 million customers, including major brands like Shopify, Discord, and Udemy, Cloudflare offers a suite of services such as content delivery network (CDN), DDoS mitigation, and Interne...
π Benefits
Cloudflare offers competitive salaries, equity options, unlimited PTO, and a flexible remote work policy. Employees also benefit from a learning and d...
π Culture
Cloudflare fosters a culture of transparency and innovation, encouraging employees to take ownership of their projects. The company values diversity a...

Research Engineer β’ Entry-Level
Cloudflare β’ Lisbon - On-Site
Overview
Cloudflare is seeking a Research Engineer Intern for Summer 2026 to work on strategic projects that impact Cloudflare systems and the Internet. This role is ideal for curious individuals eager to learn and develop their skills in a collaborative environment.
Job Description
Who you are
You are a curious and empathetic individual who is committed to developing yourself and learning new skills. You thrive in collaborative environments and are eager to contribute to meaningful projects that have a large impact on the Internet. As an entry-level candidate, you are open to gaining experience and knowledge in research engineering, and you are excited about the opportunity to work with a diverse and inclusive team.
Desirable
While specific technical skills are not required for this internship, a foundational understanding of programming concepts and a willingness to learn about Cloudflare's technologies will be beneficial. You should be adaptable and ready to tackle challenges that arise in a fast-paced research environment.
What you'll do
As a Research Engineer Intern at Cloudflare, you will work closely with the Research Team on strategic projects aimed at solving complex problems related to user connectivity, application protection, and data security. You will have the opportunity to engage in hands-on research and development, contributing to projects that enhance the resilience and efficiency of the Internet. Your role will involve collaborating with experienced engineers and researchers, allowing you to gain insights into the latest technologies and methodologies used in the field.
You will participate in brainstorming sessions and contribute your ideas to innovative solutions that address real-world challenges faced by Cloudflare's customers. This internship will provide you with a unique opportunity to learn about the intricacies of Internet infrastructure and the importance of building secure and efficient systems.
What we offer
Cloudflare offers a supportive and inclusive work environment where you can grow and develop your skills. As an intern, you will receive mentorship from experienced professionals who are dedicated to helping you succeed. You will have access to resources and training that will enhance your understanding of research engineering and its applications in the tech industry. Additionally, you will be part of a company that values diversity and encourages you to bring your unique perspective to the team. This internship is a stepping stone to a potential career in research engineering, providing you with valuable experience and connections in the field.
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