> Markdown version of [/jobs/ext/1880916-software-engineer-fullstack-200k-320k-equity-at-swarm-aero](https://www.wearedevelopers.com/jobs/ext/1880916-software-engineer-fullstack-200k-320k-equity-at-swarm-aero). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

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# Software Engineer, Fullstack ($200k-$320k + Equity) at Swarm Aero

- **Company:** Jack & Jill, Inc.
- **Location:** San Francisco, CA, United States (Remote available)
- **Experience:** Expert
- **Salary:** $200,000.0 - $320,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Amazon Web Services, Distributed Systems, Design of User Interfaces, Python (Programming Language), WebGL, Kubernetes, Front End Software Development, Video Streaming
- **Published:** August 1, 2026
- **Apply:** https://arc.dev/remote-jobs/j/redirect/p8u0cqcxwi

## About the Role

* Has 6+ years of experience building complex fullstack applications with deep proficiency in React and modern backend languages like Python, Go, or Java.
 * Possesses strong UI/UX instincts and experience with performance-sensitive applications, video streaming protocols, or immediate mode UI paradigms like those found in gaming.
 * Is a US Person (ITAR requirement) motivated by building mission-critical technology at a startup pace within a world-class engineering culture.

## Description

You will architect Legion, a browser-based command and control platform for managing massive swarms of autonomous aircraft. Moving beyond traditional dashboards, you'll build real-time distributed systems and performance-sensitive telemetry visualizations that enable a single operator to direct heterogeneous assets in complex environments, defining a new paradigm for human-swarm interaction., * Build the interface for the largest drone swarm on the planet, solving unique challenges in real-time distributed systems and telemetry visualization without existing prior art.

 * Join a high-growth Series A startup that raised $59M from elite investors like Founders Fund, Khosla Ventures, and Coatue to redefine modern national security mission sets.
 * Work alongside a world-class team of aerospace veterans who have designed over 30 novel aircraft and recently demonstrated a single operator controlling dozens of live-fire assets.

What You Will Do

 * Architect the frontend for the Legion C2 system, enabling simultaneous command of heterogeneous aircraft even over intermittent or degraded communication links.
 * Develop distributed, collaborative infrastructure for real-time aircraft control, handling massive telemetry data streams and performance-sensitive rendering using WebGL and geospatial tools.
 * Own fullstack features end-to-end, from designing UI concepts for sensor data and mission scheduling to deployment via AWS GovCloud and Kubernetes.


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