SubImage (YC W25) · 3 months ago
Full Stack Software Engineer Intern [Summer 2026]
San Francisco, CA
Internship
Onsite
Intern
Start in 2026 SummerSubImage is a YC-backed company focused on cloud security, helping customers identify misconfigurations and attack paths. They are seeking a Full Stack Software Engineer Intern for Summer 2026 to engage in security research, develop AI agents, and work on data ingestion pipelines.
Artificial Intelligence (AI)Open SourceSecurity
Responsibilities
Security research: find scary cloud vulns, highlight them using our product, blog/make videos about it
Building and scaling data ingestion pipelines
Developing AI agents for natural language search
Modeling complex access relationships in graph databases
A modern infra stack with Terraform and containers
Finding ways to better present security insights in our next.js frontend
Tech debt for days (jk)
Qualification
Required
Self-starter who loves learning about how things work one level deeper
Interest in security, infrastructure, or LLMs
Desire to build real tools that serious companies use
Willingness to work fully in-person in downtown San Francisco
Preferred
Experience with security research
Familiarity with cloud vulnerabilities
Experience with data ingestion pipelines
Knowledge of AI agents for natural language search
Understanding of graph databases
Experience with Terraform and containers
Familiarity with next.js frontend development
Public-facing portfolio of open source contributions
Company
SubImage (YC W25)
SubImage builds maps of your cloud environment to give you visibility on what assets you have and how they relate to each other.
Founded in 2024
2-10 employees
Funding
Current Stage
Early StageTotal Funding
$4.7MKey Investors
Y Combinator
2025-10-20Seed· $4.2M
2025-03-12Pre Seed· $0.5M
Recent News
thesaasnews.com
2025-11-19
2025-11-18
vcnewsdaily.com
2025-11-18
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