CareerPlan

Founding Engineer at Subimage (YC W25)

San Francisco, CAFull-time$170k–$230k2026-11-02 → 2026-11-10
On-site

Core

Build a security infrastructure mapping platform that helps security teams identify and fix vulnerabilities in enterprise environments by creating real-time, self-updating maps of IT assets and attack paths.

Role type

Founding Engineer (IC)

Builds

A near-real-time, self-updating graph of an environment with 'time travel' capabilities, vulnerability context, and agent-based security fix verification.

Domain

Cybersecurity / Infrastructure Mapping / Distributed Systems

Deliverable

production ML models

Required skills

Distributed systems, Cloud infrastructure, Python, Graph databases, FastAPI, WebGL, Terraform, First-principles thinking, Ownership

Preferred skills

Kubernetes, Security knowledge

Technologies

Cartography, Neo4j, Python, FastAPI, Svelte, WebGL, MCP, Terraform

Responsibilities

Implement vulnerability triage logic with context (internet-facing status, reachable functions, sensitive data exposure), build self-updating environment maps, develop agents to answer questions about large graphs, determine resource ownership from messy signals.

Seniority

Mid-level (3+ years), hands-on IC