Summary
Rhombus Research is an independent research lab building coordination and accountability systems for autonomous infrastructure. The Software Engineering Intern will help design, implement, and test a public API for the Reptile simulation engine, including endpoints, data contracts, tests, examples, and developer documentation.
Responsibilities
- Design an API interface alongside Rhombus Research
- Implementing API endpoints and data contracts
- Writing the test suite: unit tests, integration tests, and validation against malformed input
- Building reference examples that demonstrate how an outside user would use the API
- Writing developer documentation, including a getting-started guide and API reference
- Identifying gaps and inconsistencies in the design
Skills
- Proficiency in React and TypeScript
- Comfort with Git and collaborative development
- Ability to read an existing codebase and work within its conventions
- Clear written communication, since documentation is part of the job
- Three.js or react-three-fiber
- Experience working with LLM APIs
- Experience writing tests, any framework
- Interest in autonomous vehicles, swarm systems, or infrastructure
Qualifications
Must Haves
- Proficiency in React and TypeScript
- Comfort with Git and collaborative development
- Ability to read an existing codebase and work within its conventions
- Clear written communication, since documentation is part of the job
Nice to Haves
- Three.js or react-three-fiber
- Experience working with LLM APIs
- Experience writing tests, any framework
- Interest in autonomous vehicles, swarm systems, or infrastructure
Benefits
- A portfolio project: A shipped, documented public API with your name in the commit history.
- Founder mentorship: Direct collaboration with the founder, including structured weekly one-on-ones and daily communication as needed.
- Hands-on domain experience: Practical work across simulation engineering, API design, and developer tooling.
- A $6,000 stipend for the 10-week summer term.
- Housing support and onboarding handled by the Students + Startups program.
- Remote work with occasional in-person collaboration in San Antonio.