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Replit • Foster City, CA

1d

About The Position

Replit is seeking interns for its key teams, including AI Research, Strategic Finance, or the Office of the CEO. This paid internship is designed for individuals with strong quantitative and creative skills. Interns will collaborate with top executives, engineers, designers, and finance professionals on challenging problems related to AI-native software creation and business acceleration. The program has a dedicated track for students with strong mathematical backgrounds, focusing on areas like agent reasoning, systems optimization, and improving AI model learning and performance. The work will directly influence how millions of users build software.

Requirements

• Currently pursuing a Bachelor's, Master's, or PhD in Mathematics, Computer Science, Computer Engineering, Statistics, Physics, or a related quantitative field
• At least one semester of schooling remaining after the internship
• Demonstrated excellence in competitive mathematics such as IMO and IOI, quantitative research, or advanced coursework
• Genuine curiosity about AI, agent systems, company building, or developer tooling
• Extremely bullish on Replit and the future of AI-native software creation. We would love to see what you have built on the platform

Nice To Haves

• First-principles thinking: Ability to break down complex problems from the ground up and reason about them rigorously
• Mathematical intuition: Strong grasp of the underlying math behind machine learning, optimization, or systems
• Self-directed and autonomous: Capable of working independently while collaborating well with cross-functional teams
• Strong communication: Ability to explain complex quantitative concepts to both technical and non-technical audiences
• Curiosity and speed: Genuine excitement for hard problems and the drive to iterate quickly

Responsibilities

• Contribute to real engineering problems that push the boundaries of AI-powered software creation
• Collaborate with engineers, designers, and product managers on infrastructure that powers Replit's platform
• Prototype novel approaches to problems in AI, systems, or tooling where mathematical rigor is the differentiator
• Ship work that impacts millions of developers globally, in an environment where your ideas are heard and often implemented

Benefits

• Competitive Salary & Equity
• 401(k) Program with a 4% match (US Only)
• Health, Dental, Vision and Life Insurance
• Short Term and Long Term Disability
• Paid Parental, Medical, Caregiver Leave
• Flexible Time Off (FTO) + Holidays
• Commuter Benefits (In-Office & US Only)
• Monthly Wellness Stipend
• Autonomous Work Environment
• In Office Set-Up Reimbursement (In-Office Only)
• Quarterly Team Gatherings
• In Office Amenities (In-Office Only)

What This Job Offers

• Career Level: Intern