Founding Fullstack Software Engineer

at Code Four — Modernizing the police workflow.

San Francisco, CA, USFull-time3+ years$130K - $300K0.25% - 2.00% equityYC-S25

What the role involves

Skills

Next.js, TypeScript, GCP, Distributed Systems, Realtime Video/Audio, GraphQL/REST

We’re looking for a fullstack engineer to own massive slices of our product surface: from low‑latency video ingest to the interfaces officers use to review evidence and approve auto‑generated reports. You’ll work shoulder‑to‑shoulder with the founders, ship fast, and help define the engineering culture and architecture that powers mission‑critical workflows for law enforcement.

💻 What You’ll Own

  • Event‑driven backend: Architect our Next.js / TypeScript / GCP stack. Design schemas, queues, and webhook ingestion from BWC vendors, RMS/CAD, and DEMS to drive real‑time, personalized officer workflows.
  • ML integration surface: Productionize CV / VLM / ASR endpoints from our ML team and expose them through resilient APIs with strict latency/error budgets.
  • Evidence UX: Build intuitive dashboards that let officers review, redact, and approve reports with minimal clicks—while preserving full auditability.
  • Security & compliance: Enforce end‑to‑end encryption, audit logging, role‑based access, and CJIS controls across services.
  • System design & technical strategy: Decide how we scale to dozens of agencies, each with unique policies and templates, without sacrificing speed.

What they ask for

Google CloudGraphQLNode.jsPythonTypeScriptFirebaseDockerNext.js

About Code Four

Code Four slashes the administrative burden on law enforcement through AI-driven automation. Officers spend up to a third of their shifts manually transcribing body camera footage, creating inaccuracies, reducing transparency, and cutting into frontline duties. We're here to eliminate these inefficiencies by integrating with body cameras, record management systems, and digital evidence management systems—acting as a software layer for data processing. We free the most overworked and underappreciated people in the world: police officers.

Full Code Four profile

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