# Software Engineering Intern (Summer 2027)

**Company**: Scale
**Location**: San Francisco, CA
**Work arrangement**: onsite
**Experience**: entry
**Job type**: internship
**Category**: Engineering
**Industry**: Technology

**Apply**: https://job-boards.greenhouse.io/scaleai/jobs/4730845005?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_e42c7a33-371

## Description

At Scale, our mission is to develop reliable AI systems for the world's most important decisions.

We are looking for a Software Engineering Intern to join our team in San Francisco for Summer 2027. As an intern at Scale, you will own real, shipped work on the same roadmaps as full-time engineers, with mentorship from world-class talent and a culture that values ownership, speed, and truth-seeking.

## Example Projects

- Build reinforcement learning and post-training data pipelines that power frontier model development

- Develop evaluation infrastructure that measures model reliability for enterprise and public sector customers

- Ship agentic AI applications and the tooling that makes them observable, testable, and safe to deploy

- Ship tools that accelerate the growth of new qualified contributors on Scale's platform

- Build fraud-detection systems that remove bad actors and keep Scale's contributor base safe and trusted

- Use models to estimate the quality of tasks and contributors, and guarantee quality on requests at large scale

- Devise advanced matching algorithms that pair contributors to customers for optimal turnaround and accuracy

- Create optimized and efficient UI/UX tooling, in combination with ML algorithms, for 100k+ contributors completing billions of complex tasks

- Develop new AI infrastructure products to visualize, query, and explore Scale data

## Requirements

- A graduation date in Fall 2027 or Spring 2028 with a Bachelor's degree (or equivalent) in a relevant field (Computer Science, EECS, Computer Engineering, Statistics)

- Available for a Summer 2027 internship (May/June start dates) in San Francisco

- Product engineering experience such as building web apps full-stack, integrating with relevant APIs and services, talking to customers, figuring out 'what' to build and then iterating

- Previous Computer Science/Software Engineering internship experience

- Track record of shipping high-quality products and features

- Experience building systems that process large volumes of data

- Experience with Python, Typescript, React, and/or MongoDB

## Nice to Have

- Hands-on experience with LLMs, evaluations, or agentic systems , whether from coursework, research, or personal projects

- Open source contributions or a portfolio of shipped side projects

## How We Work

Our credos shape how we make decisions and work as a team:

- Earn Customer Love , trust is earned with every interaction, every delivery, and every problem we solve

- Team Flow , ideas, energy, and support move freely across teams; optimize for the whole

- Quality is Our Cheat Code , the systems that deliver quality consistently are a structural advantage

- Find the 20% , find the inputs that drive the outcomes and execute them completely

- Write the Market , our research puts us at the frontier, and we bring our partners there first

- Three Moves Ahead , consider the consequences of consequences, and plan accordingly

## Skills

### Required
- Python
- Typescript
- React
- MongoDB
- Computer Science
- Software Engineering

### Nice to have
- LLMs
- evaluations
- agentic systems

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Source: [Apply at job-boards.greenhouse.io](https://job-boards.greenhouse.io/scaleai/jobs/4730845005?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)