Skip to main content

Cartesian Systems

IAP Software Engineering Intern 2027

Cambridge, MAinternshipinternAdded today

About this role

Join Cartesian, an MIT-founded startup in Kendall Square, as a software engineering intern during IAP 2027. You'll own a meaningful project—from customer integrations to platform modernization to ML tooling—while working alongside senior engineers in a fast-growing spatial intelligence company serving international retail brands.

What you'll do

  • Own and ship a specific software project over the 4-week internship period
  • Integrate with new customers or modernize core platform infrastructure
  • Collaborate with senior engineers and research teams on technical decisions
  • Iterate rapidly on feedback and learn unfamiliar technologies
  • Write clean, well-tested code for production systems
  • Contribute to infrastructure, security, ML tooling, or frontend features depending on project

What they're looking for

  • Python or backend development with FastAPI
  • Full-stack software engineering (frontend, backend, or both)
  • Database design and optimization with Postgres
  • Kubernetes/cloud infrastructure or Infrastructure-as-Code
  • Mobile development (Android/Kotlin) or frontend (Next.js/TypeScript)
  • Ability to learn new technologies quickly
  • Experience working in large codebases on a team

Benefits

  • Hands-on experience shipping code to real customers in production
  • Work with MIT startup founders and advanced spatial technology
  • On-site at Kendall Square in Cambridge with convenient transit access
  • Exposure to multiple tech stacks and problem domains
  • Mentorship from senior engineers in a fast-moving environment
Apply with Autofill

Opens the application — the Jobs AI extension fills it for you. Set up autofill

Opens the official application on the employer’s site. No login required.

Cartesian Systems

Cartesian Systems builds an indoor spatial intelligence platform for retail that uses machine learning to enable positioning and perception capabilities. The company is hiring ML Scientists and engineers to develop and deploy perception models and features for enterprise retail customers.

View all jobs at Cartesian Systems

Likely interview questions

  • Tell us about a time you owned a project with ambiguous requirements—how did you break it down?
  • Describe your experience working in large codebases with a team. How do you handle code reviews or conflicting approaches?
Unlock all 7 questions free — and practice them live →