Data Science Intern

About Gusto

At Gusto were on a mission to grow the small business economy. We handle the hard stufflike payroll health insurance 401(k)s and HRso owners can focus on their craft and customers. With teams in Denver San Francisco and New York were proud to support more than 400000 small businesses across the country and were building a workplace that represents and celebrates the customers we serve. Learn more about our Total Rewards philosophy.

About the Role:

Our Data Science internship is a 12-week hybrid summer experience focused on making a significant impact on our customers by being embedded directly into our data teams. Each intern is paired with a dedicated mentor and a team manager providing guidance and support as they make immediate contributions to the teams roadmap directly advancing Gustos mission.

At Gusto we are committed to building a data-driven culture. As a Data Science Intern youll be at the forefront of this effort leveraging our rich datasets to inform critical business decisions and help build the products of the future. Youll gain hands-on experience in the full data lifecycle from framing business problems and translating them into data requirements to conducting deep-dive analysis prototyping and deploying predictive models and statistical tools. Your work will directly support teams across the company helping to optimize our operations and improve products for hundreds of thousands of small businesses.

Please note: Well be offering only one cohort start and end date (May 18 - August 7 2026).

Deadline to Apply: Tuesday November 25 2025

About the Team:

Gustos Data Science team leverages Gustos rich data to guide product direction and decision-making. We operate full-stack conduct key driver analyses run experiments and other methods for inference and build metrics that help Gusto build the best product possible.

For this intern role we are looking for an individual contributor within our Data org. If youre ready to hone your Data Science skills while creating software with far-reaching effects for small businesses wed love for you to join Gusto this summer!

Heres what youll do day-to-day (and well support you so youre great at it):

• Frame ambiguous product questions into measurable hypotheses focusing on driving positive outcomes for our customers and our business.
• Design and analyze A/B tests and other experiments to drive data-informed decisions.
• Leverage AI effectively as a development partner to offload manual tasks explore new product approaches or evaluate the end-to-end performance of Gusto experiences.
• Communicate complex data concepts and findings to both technical and non-technical stakeholders influencing strategy and product direction.

Heres what were looking for:

• Someone who is currently pursuing a PhD or MS in a quantitative field such as Computer Science Statistics Mathematics Economics Data Science or a related discipline with an expected graduation date between December 2026 and June 2027.
• Strong foundational knowledge in analysis statistical modeling and experimental design.
• Proficiency in Python or R for statistical analysis and model building.
• Experience with SQL for data querying and manipulation.
• Experience with using AI to solve problems in a business or academic environment
• Excellent communication and collaboration skills with the ability to work in a cross-functional environment and explain complex concepts clearly.
• A strong passion for using data to solve real-world problems and a track record of independent research or project work.
• U.S. work authorization is required. This role is not available for sponsorship.
• This is a hybrid role and will require you to be in the office at least twice a week in our San Francisco or Denver office. Relocation assistance will be provided during your internship.

Pay and benefits

Our cash compensation range for this role for graduate students is $52.88/hr to $57.45/hr in Denver and $66.11/hr to $71.63/hr for graduate students in San Francisco.

Gusto has physical office spaces in Denver San Francisco and New York City. Employees who are based in those locations will be expected to work from the office on designated days approximately 2-3 days per week (or more depending on role). The same office expectations apply to all Symmetry roles Gustos subsidiary whose physical office is in Scottsdale.

Note: The San Francisco office expectations encompass both the San Francisco and San Jose metro areas.

When approved to work from a location other than a Gusto office a secure reliable and consistent internet connection is required. This includes non-office days for hybrid employees.

Our customers come from all walks of life and so do we. We hire great people from a wide variety of backgrounds not just because its the right thing to do but because it makes our company stronger. If you share our values and our enthusiasm for small businesses you will find a home at Gusto.

Gusto is proud to be an equal opportunity employer. We do not discriminate in hiring or any employment decision based on race color religion national origin age sex (including pregnancy childbirth or related medical conditions) marital status ancestry physical or mental disability genetic information veteran status gender identity or expression sexual orientation or other applicable legally protected characteristic. Gusto considers qualified applicants with criminal histories consistent with applicable federal state and local law. Gusto is also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. We want to see our candidates perform to the best of their ability. If you require a medical or religious accommodation at any time throughout your candidate journey please fill out this form and a member of our team will get in touch with you.

Gusto takes security and protection of your personal information very seriously. Please review our Fraudulent Activity Disclaimer.

Personal information collected and processed as part of your Gusto application will be subject toGustos Applicant Privacy Notice.