Software Engineer, Infra & Agent Systems - Internship (Summer 2026) jobs in United States
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Cua (YC X25) · 5 months ago

Software Engineer, Infra & Agent Systems - Internship (Summer 2026)

positionSan Francisco, CA, US
timeInternship
remoteOnsite
seniorityIntern
workcardStart in 2026 Summer

Cua is a startup building infrastructure for general-purpose AI agents, backed by Y Combinator and top-tier investors. As a Software Engineer Intern, you will gain hands-on experience in designing infrastructure, contributing to developer tools, and collaborating with the founding team on open-source projects.

Artificial Intelligence (AI)SoftwareVirtualization
badNo H1Bnote

Responsibilities

Assist in designing infrastructure to run AI agents on isolated macOS and Linux containers
Contribute to APIs and CLIs for developers to launch and control agents
Help with orchestration projects across cloud providers (AWS, GCP, etc.)
Learn and apply containerization and virtualization technologies (Docker, KVM, etc.)
Collaborate with the founding team and open-source contributors on roadmap and experiments
Document your work through notes, tutorials, or blog posts to grow the ecosystem
Participate in product discussions and internal research to support long-term technical vision

Qualification

PythonGoTypeScriptDockerLinux environmentsCloud platformsCuriosityEagerness to learnInterest in AI infrastructure

Required

Currently pursuing or recently completed a degree in Computer Science, Engineering, or related field
Proficiency in at least one programming language (e.g., Python, Go, TypeScript, or Rust)
Familiarity with Linux environments, containers, or backend systems
Strong interest in developer tools, AI infrastructure, or distributed systems
Curiosity, eagerness to learn, and comfort working in a fast-moving startup environment

Preferred

Experience with Docker, KVM, or other OS-level virtualization
Familiarity with cloud platforms (AWS, GCP, Azure)
Exposure to performance optimization or debugging in projects (e.g., databases, cluster orchestration)
Interest in AI agents, LLM-generated code, or Copilot-style tools
Prior open-source contributions or personal projects you can share
Based in SF and able to spend time in our office

Benefits

High-impact experience
Learning environment
Open-source visibility
Flexible setup
Future opportunities

Company

Cua (YC X25)

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Cua is an open-source framework that enables AI agents to control full operating systems within high-performance, lightweight virtual containers.
dateFounded in 2025
location
San Francisco, California, USA
people-size2-10 employees
web-link
https://www.trycua.com/

Funding

Current Stage
Early Stage
Total Funding
$0.5M
Key Investors
Y Combinator
2025-06-11Pre Seed· $0.5M
Company data provided by crunchbase