# Lead Software Engineer, Frontend/Web App

**Company:** [Beacon AI](https://hotfix.jobs/companies/beacon-ai)
**Location:** San Carlos, CA
**Role:** Frontend Engineering
**Salary:** $185k – $260k/yr
**Experience:** 5+ years
**Skills:** React, TypeScript, JavaScript, HTML, CSS, state management, mapbox, cesium
**Posted:** 2026-07-20

> Lead frontend engineer building high-performance React web interfaces for aviation data visualization, real-time streaming, and flight safety insights. Requires 5+ years shipping complex user-facing apps, deep React/TypeScript expertise, and technical leadership/mentorship.

## Job Description

## Responsibilities
- Design and implement React-based features while architecting frontend systems that handle large-scale, real-time and historical aviation data.
- Integrate, process, and visualize data from multiple sources, including live streams and archived datasets.
- Mentor engineers and drive best practices through code reviews and architectural discussions.
- Partner with backend engineers, product managers, and UX/UI designers to make informed design and implementation decisions.
- Ensure reliable, maintainable frontend systems through automated testing, clear documentation, and strong engineering standards.
- Build reusable components and internal libraries to accelerate future development.

## Requirements
- 5+ years of experience building and shipping high-performance, user-facing web applications.
- Deep expertise in React, TypeScript, JavaScript, state management, and modern web standards (HTML/CSS).
- Strong experience with asynchronous frontend patterns and efficient handling of live and historical data streams.
- Proven ownership of complex features or product areas, driving work from concept through delivery with a high degree of autonomy.
- Proactive, resourceful mindset with the ability to operate effectively in fast-moving, ambiguous environments.
- Consistently sets and upholds a high technical bar through design decisions, code quality, mentorship, and hiring input.
- Ability to analyze and optimize frontend performance for scalability, responsiveness, and reliability.

## Nice-to-Haves
- Passion for aviation and a desire to improve air travel efficiency and safety.
- Experience with geospatial or mapping tools such as Mapbox or Cesium.
- Deep experience with live data streaming and playback systems.
- Experience with video streaming technologies and real-time media delivery.

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