2025 Data Science Intern

Internship Program 

At Five9 we are committed to providing an exceptional experience for our interns.  We tailor our program to provide participants with real, impactful work, contributing directly to the continued success of Five9.  Through our Speaker Series, Intern Buddies, Employee Resource Groups, and other events, you’ll have the opportunity to meet and learn from some of the best in the business. 

This is a full-time, paid internship based out of our headquarters in San Ramon, CA. This role is hybrid. 3 days a week (M, W, TH) in office is required. The program runs 11 weeks with the opportunity to start in early or mid-June. 

As an intern at Five9, you can expect to:  

Learn.  Learn about Five9, our culture and what makes Five9 special. 

“The people here at Five9 have been super supportive of my learning - it's less intimidating to approach people, ask them about what they do, and more often than not they're willing to teach you a few things about their fields of work.” – 2024 Security Software Engineer Intern

Contribute.  Contribute to the success of the company, your team, and real, impactful projects. 

“Working at Five9 has been an enriching journey of learning and impact, where the work I am doing truly feels significant. I've gotten the chance to learn about high level business strategies and ensure that the work I do contributes to the business's overarching goals.” – 2024 PS Education Services Intern

Grow.  Grow as a student, an employee, as a person! 

“I have always been very career-oriented, and this summer I've realized how important it is to also focus on other aspects of my life. Meeting different employees at Five9 and hearing their career trajectory made me realize that everything will work out, eventually, and to take my time exploring my interests. However, that doesn't mean I will halt all career goals. I plan to continue networking with industry professionals and building my knowledge on using different data analytics tools. Seeing the way my team and the People Team utilize the data we have, made me realized just how much I enjoy working with and interpreting the data that is gathered.” – 2024 Talent Management Intern

• Implement/improve methods to compare and evaluate LLM output
• Create and curate multilingual speech and text datasets
• Evaluate and recommend ML models for multilingual topic modeling and/or intent classification

• Rising college senior or above, pursuing an undergrad degree in computational linguistics, computer science, data science, cognitive science, HCI or related field
• Must be able to work out of the San Ramon, CA headquarters this summer
• Knowledge of Python or R and experience working with ML libraries
• Knowledge of NLP concepts
• Knowledge of statistical concepts (sampling, A/B testing, regression, properties of distributions, statistical tests and proper usage, etc.)
• Experience with data visualization tools and dashboards