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HypercubicPosted 1 week ago

Software Engineering Internship

On-siteSan Francisco, California, United States

Full TimeEntry LevelStartup

Job Summary

Own and ship a high-impact engineering project end to end, rapidly prototyping new concepts to validate ideas before full implementation. Build AI-driven systems including agent workflows, evaluations, program-analysis tooling, backend infrastructure, and user-facing features. Translate ambiguous problems into concrete experiments and constraints while contributing to engineering standards around testing, reliability, and code quality. Work directly with the CTO on technical and product decisions, collaborating with subject-matter experts across banking, insurance, airlines, and utilities.

Required Qualifications

  • currently enrolled undergraduate and graduate students
  • any year, degree program, or major
  • authorized to work in the United States
  • strong programming fundamentals
  • ability to learn unfamiliar tools and systems quickly
  • demonstrated abilities through ambitious projects, research, open-source contributions, internships, or exceptional coursework
  • comfortable with uncertainty
  • ability to figure out what to build before determining how to build it
  • ability to think in systems and feedback loops
  • ability to move fast and slow
  • ability to prototype ideas in hours
  • ability to develop promising ideas to a high-quality bar
  • ability to reason clearly about technical decisions
  • ability to communicate thinking
  • bias for action
  • comfortable working across abstraction layers
  • ability to learn quickly
  • strong fundamentals
  • strong engineering taste
  • strong judgment
  • ability to execute
  • ability to work directly with the CTO
  • ability to take on broader ownership
  • ability to work end to end
  • ability to validate ideas before full implementation
  • ability to build AI-driven systems
  • ability to translate ambiguous problems into concrete experiments, constraints, and working systems
  • ability to contribute to engineering standards around testing, reliability, and code quality
  • ability to collaborate with subject-matter experts and customers
  • ability to work in fast-moving environments
  • ability to become world-class at AI engineering
  • ability to design, prototype, and productionize AI-powered systems from first principles
  • ability to own a well-scoped project
  • ability to ship to production
  • ability to work across abstraction layers
  • ability to work from low-level system reasoning to high-level product interactions
  • ability to work in-person in San Francisco, California
  • ability to start dates are flexible
  • ability to accommodate summer internships, semester-long internships, and co-op schedules
  • ability to receive relocation support as needed

Desired Qualifications

  • Experience building complex agentic products, infrastructure, or autonomous systems
  • Strong testing intuition, including experience with TDD or property-based testing
  • Experience building and maintaining production-grade software
  • Exposure to legacy systems (especially mainframes or COBOL), compilers, program analysis techniques, or high-performance computing (HPC)
  • Familiarity with enterprise software constraints

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