Software Engineer, Full Stack
Company: Sweep360
Location: New York
Type: Full-time
Posted: 2026-03-27
About this role
TL;DR — We’re building humanity’s defense layer for the AI age and are looking for a hacker-minded Full Stack Engineer to ship from day one and own problems end-to-end.*If you would have joined Palantir, Nest, or Tesla at the very early start to build an infrastructure from scratch — not just clean datasets — this is that role.*
### Why Sweep?
As intelligent machines proliferate into every part of the physical world, we humans still lack a defense layer to ensure the systems and devices we rely on remain aligned with us.
We're building that layer today by deploying alongside the world’s highest-stakes teams — Olympic delegations, F1 paddocks, halftime shows, global tours, studio productions, senior government officials, and executive protection units. What we learn there becomes the foundation for a civilization-defining capability.
We’re a small, talent-dense team with high ownership, high velocity, and low ego. We care deeply, move fast, and are here to build something that outlasts us.
Together, we’ll redefine cyber-physical security for the AI age.
### What makes this role special?
- You’ll define how our system is used as **first dedicated full stack.**
- There’s **no existing interface for this category**.
- See **your work deployed and tested by elite user groups** from day one.
- Operate in **high-stakes, high-visibility** environment you might not talk about, but won’t ever forget.
- **Influence Sweep’s core product** direction and technical roadmap from day one.
- **Gain pre-Series A ownership** as one of the first 10 engineers..
### What we’re looking for
- **Polyglot engineer** (JS + Python + Rust/Go preferred) who can quickly pick up new tools when needed.
- Comfortable deploying and integrating with cloud systems (AWS/GCP) in production environments.
- **5+ years** shipping production systems where reliability matters.
- Worked with **LLMs, vector databases, and prompt pipelines**.
- **Startup urgency**: Independent, accountable, r...