Staff Software Engineer, Frontend/Web App
Beacon AI is hiring a Staff Software Engineer, Frontend/Web App. It pays $224k-$260k a year and Level rates it ; you can apply on Level.
AI in this role
Build high-performance web interfaces and integrate aviation data for an AI-powered flight safety platform.
About Beacon AI
We’re a fast-moving team of aviators, engineers, and operators building an AI platform to make flying safer, more efficient, and more capable. Backed by top investors, we’ve secured a dozen Department of Defense contracts and partnered with major airlines to deliver mission-critical systems. We operate without silos or heavy processes. Small, focused teams own what they build, ship quickly, and learn fast, pushing the boundaries of how humans and AI work together in aviation.
Role Overview
We are seeking a Staff Frontend Software Engineer to bring technical leadership, strong ownership, and strategic thinking to our frontend team. In this role, you will drive the development of high-impact web interfaces that integrate with our flight safety platform, enabling users to interact with complex aviation data and derive actionable insights. You will collaborate closely across disciplines and play a key role in advancing aviation safety and operational capability.
What You’ll Do
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.
What Will Make You Successful
9+ 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.
Bonus Points
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.
Work Location
This is a hybrid role based in San Carlos, CA, with 3+ days per week onsite and the option to work remotely on remaining days.
Perks & Benefits (Full-Time Employees)
Healthcare: 100%* of employee medical premiums covered; 25% for dependents
Time Off: 3 weeks PTO plus 13+ paid company holidays
401(k): Offered (no current employer match, but we are committed to enhancing this benefit in the future)
Due to U.S. export control regulations, we can only hire U.S. Persons (U.S. citizens, Green Card holders, lawful permanent residents, or individuals granted asylum or refugee status). We are unable to provide visa sponsorship or support visa transfers. All work must be performed in the United States.
Beacon AI is an equal opportunity employer and does not discriminate based on race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, veteran status, or any other protected characteristic. We prohibit harassment or discrimination of any kind in the workplace and comply with all applicable federal, state, and local employment laws.
How we rate this
Staff Software Engineer, Frontend/Web App at Beacon AI rates 65 out of 100 for how much of the daily work is AI. That makes it Works on AI (AI Level 3 of 4). The level is about AI in the job, not seniority.
Works on AI. The daily work is on AI products, without building the model.
- ●●●● Builds AI80 to 100
- ●●●○ Works on AI60 to 79
- ●●○○ Uses AI40 to 59
- ●○○○ Little AI0 to 39
Levels come from how often the tools, models and workflows of the role are named in the posting itself. Open the description and count.
Prepare for this job
A free preview built only from this posting: what it asks for, what you could be asked in an interview, and how to adjust your resume.
Skills and AI tools this role asks for
Questions you could be asked
- Tell me about a project where frontend development was part of your work. What did you do?
- Tell me about a project where web applications was part of your work. What did you do?
- Tell me about a project where ui design was part of your work. What did you do?
- Tell me about a project where state management was part of your work. What did you do?
- Tell me about a project where performance optimization was part of your work. What did you do?
Adapt your resume
- List these exact terms on your resume: Frontend Development, Web Applications, UI Design, State Management, and Performance Optimization. An applicant tracking system matches the wording, not the idea.
- Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
- Show where AI is part of your daily process, not a one-off project. This role expects it to be a running habit.
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