Data Science Intern, Algorithms (Summer 2027 - SF/NYC)

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive.

Lyft’s Data Science Team builds mathematical models underpinning the platform’s core services. Compared to other technology companies of a similar size, the set of problems that we tackle is incredibly diverse, cutting across optimization, prediction, modeling, inference, transportation, and mapping. We are looking for Master’s or PhD students who are passionate about solving mathematical problems with data and are excited about working in a fast-paced, innovative, and collegial environment.

We are hiring for a variety of Data Science internships, focusing on the following specialties:

• Optimization: Construct and fit statistical or optimization models that facilitate automated decision-making in the app.
• Machine Learning: Design, build, tune, and deploy machine learning models with a special emphasis on feature engineering and deployment.
• Inference: Design and analyze tests in our dynamic marketplace, estimating statistical and ML models to enable better decisions, and developing and evaluating algorithmic policies in our pricing, dispatch, and incentives systems.

The intern will report into a Science Manager.

Responsibilities

• Partner with Engineers, Product Managers, and other cross-functional partners to frame problems, both mathematically and within the business context.
• Perform exploratory data analysis to gain a deeper understanding of the problem.
• Write production modeling code; collaborate with software engineers to implement algorithms in production.
• Design and run both simulated and live traffic experiments.
• Analyze experimental and observational data; communicate findings, including working with partner teams and presentations; facilitate launch decisions.

Experience and Qualifications

• Currently pursuing a Master's or PhD degree in a mathematical science (such as Operations Research, Computer Science, Statistics, Applied Mathematics, Theoretical Physics, Behavioral Science, Electrical Engineering, etc.), Economics (Microeconomics Theory, Econometrics, etc.), Data Engineering, or a related field, with a graduation date between December 2027 and June 2028 (required).
• Availability during Summer 2027 for an internship in New York City.
• Experience coding in Python (required) or SQL, R; familiarity with standard data science libraries (NumPy, Scikit-learn, PyTorch, TensorFlow, Keras); and ML Tools & Libraries.
• Experience with experimental design and analysis.
• Proficiency in exploratory data analysis.
• Expertise in one of the following specialties: optimization and mathematical modeling, machine learning fundamentals, or probabilistic and statistical modeling.
• Bonus points for experience in marketplace design, ridesharing, studying two-sided marketplaces, and/or transportation.

Benefits

• Great medical, dental, and vision insurance options.
• Mental health benefits.
• In addition to holidays, interns receive 2 days of paid time off and 3 days of sick time off.
• 401(k) plan to help save for your future.
• Pre-tax commuter benefits.
• Lyft Pink: Lyft team members get an exclusive opportunity to test new benefits of our Ridership Program.

Lyft is an equal opportunity employer committed to an inclusive workplace that fosters belonging. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, age, genetic information, or any other basis prohibited by law. We also consider qualified applicants with criminal histories consistent with applicable federal, state and local law.

Lyft highly values having employees working in-office to foster a collaborative work environment and company culture. This role will be in-office on a hybrid schedule—Team Members will be expected to work in the office 3 days per week on Mondays, Wednesdays, and Thursdays. Lyft considers working in the office at least 3 days per week to be an essential function of this hybrid role. Your recruiter can share more information about the various in-office perks Lyft offers. #Hybrid

The expected base pay range for this position in the New York City area is $58-$62/hour USD, not inclusive of potential equity offering, bonus, or benefits. Salary ranges are dependent on a variety of factors, including qualifications, experience, and geographic location. Your recruiter can share more information about the salary range specific to your working location and other factors during the hiring process.