Software Engineering Intern

Cambridge, Massachusetts, United States permanent

Posted: March 17, 2026

Required Skills

Job Description

Overview

Sigma Squared is a talent optimization platform that identifies, isolates, and embeds productivity insights into hiring, operations, and management workflows. We are seeking a curious and motivated Software Engineering Intern to join our team this Summer. You’ll work directly alongside our team of software engineers and data scientists to build production-grade software that helps leaders in Hospitality, Law Enforcement, and Enterprise sectors turn workforce data into performance intelligence. Our internship program is an onsite, full-time role designed for students who want to bridge the gap between academic theory and high-impact startup engineering. Flexible for students looking for a co-op cycle as well.

Key Responsibilities

• Feature Development: Build and ship high-quality code across our platform (full-stack).

• Collaboration: In addition to partnering alongside a group of senior software engineers, you'll also work with product, design, & data science to ship new features.

• Tooling & Infrastructure: Help build and improve internal tools that streamline the workflows of our engineering and data science teams.

• Code Quality: Participate in code reviews and learn to write testable, maintainable code within a robust CI/CD environment.

• AI Integration: Explore the use of LLMs to help automate parts of the data transformation and ingestion process.

Qualifications

• Academic Background: Currently pursuing a Bachelor’s degree in Computer Science, Data Science, or a related field.

• Technical Proficiency: Strong foundational knowledge in at least one programming language (preferably TypeScript or Python).

• Disposition: A friendly, flexible, and inquisitive mindset with a desire to learn.

• Location: Must be able to work on-site full-time at our Cambridge, MA office for the duration of the internship/co-op.

Technologies We Use

Know some of these already? Great! Don't? We'll teach you!

• Full-Stack: TypeScript, Node.js & React

• Hosting: Amazon Web Services - CloudFormation, Lambda, Batch, ECS, S3, etc.

• Databases: DynamoDB

• Data Science: Python, pandas

More About Us...

Sigma Squared helps firms unleash productivity by putting data at the center of every decision. We combine econometrics and a flexible, modular platform to transform the way organizations recruit, hire, retain, promote, and develop their frontline workforces. By delivering actionable insights, integrated tools, and measurable financial impact, we empower enterprises to optimize hiring and promotion paths, unlocking the full potential of their people while driving meaningful business outcomes. To learn more about Sigma Squared, visit sigmasquared.io

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