Replit
Cohort 0
Foster City, CA · Hybrid · Internship · Posted Sep 5, 2026
- Education
- Currently pursuing a Bachelor's, Master's, or PhD in a specified or related quantitative field; at least one semester of schooling must remain after the internship.
About the job
Paid internship contributing to engineering and quantitative projects in AI-powered software creation, platform infrastructure, and related business areas.
What you'll do
- Contribute to engineering problems in AI-powered software creation.
- Collaborate on infrastructure for Replit’s platform with engineers, designers, and product managers.
- Prototype approaches to AI, systems, or tooling problems and ship work affecting Replit users.
What they ask for
- Currently pursuing a Bachelor's, Master's, or PhD in Mathematics, Computer Science, Computer Engineering, Statistics, Physics, or a related quantitative field.
- Have at least one semester of schooling remaining after the internship.
- Demonstrated excellence in competitive mathematics, quantitative research, or advanced coursework.
- Genuine curiosity about AI, agent systems, company building, or developer tooling.
AI focus
Work may involve agent reasoning, systems optimization, improving model learning and performance at scale, and prototyping approaches to AI problems.
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