Data Scientist Intern, Business Intelligence (Summer 2025)

Available locations: Lisbon, Portugal
About the team
The Business Intelligence team at Cloudflare is responsible for building a centralized cloud data lake and an analytics platform that enables our internal Business Partners and Product teams with actionable insights. Our goal is to democratize data, support Cloudflare's critical business needs, provide reporting and analytics via self-service data applications to fuel existing and new business critical initiatives.
About the Internship Program
The ideal summer intern is passionate about making the Internet a better place. You will work with a strong team of talented professionals. Your work this summer will impact hundreds of millions of web surfers. We like to get things done, so we are looking for interns who are curious and can take on and complete projects. This is a great opportunity for those who want to learn the ins and outs of Business Intelligence.
What would you do as a Cloudflare intern?

• Ship and deliver projects over 12-16 weeks with autonomy and support.
• Work cross-functionally with various teams.
• Be assigned 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 (Cat or dog lovers, we've got communities for you! @Catflare @Doggos).
• Present your project to the entire company at the end of the internship.
• Get direct access to 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.
• Receive Cloudflare swag and free Cloudflare products!

You can check out our internship blogs to learn more about our program and hear directly from our past interns.
About the role
We are looking for a Data Scientist Intern to join our Lisbon team to help us extract insights from our large datasets and drive business decisions. As an intern, you'll work alongside experienced data scientists and machine learning engineers to tackle real-world challenges in natural language processing (NLP) and AI development.
What you'll do

• Develop and deploy predictive/LLM models to drive business outcomes
• Collaborate with cross-functional teams to design and implement data-driven solutions
• Work with large datasets to extract insights and inform business decisions
• Work on data preprocessing/parsing strategies to make it LLM ready
• Rapidly test new frameworks such as LLM agents, RAG, NL2SQL, etc in the Generative AI domain
• Support the evaluation and benchmarking of LLM performance across various tasks and metrics
• Continuously involved in knowledge sharing and mentorship

Examples of desirable skills, knowledge and experience

• B.S. or M.S in Computer Science, Statistics, Mathematics, or other quantitative fields
• Experience working with programming languages such as Python, Javascript or SQL
• Knowledge of machine learning algorithms, statistical modeling and LLMs
• Excellent communication & problem solving skills
• Ability to collaborate with cross functional teams and work through ambiguous business requirements

Bonus Points

• Familiarity with Google Cloud Platform or something similar
• Familiarity with container based deployments such as Docker & Kubernetes