Lead Software Engineer, Frontend/Web App

Beacon AI, Inc

$120K — $160K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of experience in developing user-facing web applications.
  • Proficient in React, TypeScript, and JavaScript.
  • Strong knowledge of HTML/CSS and modern web standards.
  • Experience with asynchronous frontend patterns and data streaming.
  • Proven ability to drive features from inception to delivery with autonomy.
  • Strong mentoring skills for code reviews and architectural guidance.
  • Capable of optimizing frontend performance for scalability and reliability.

Responsibilities

  • Design and implement React-based features for complex aviation data.
  • Visualize and process data from live streams and archived sources.
  • Mentor team members and uphold engineering best practices.
  • Collaborate with backend engineers, product managers, and designers.
  • Ensure reliability through testing, documentation, and engineering standards.
  • Develop reusable components to streamline future development.

Benefits

  • 100% of employee medical premiums covered; 25% for dependents.
  • 3 weeks PTO plus 13+ paid company holidays.
  • Monthly stipends for phone and wellness benefits.
  • 401(k) plan offered with future enhancements planned.
Full Job Description
Role Overview

We are seeking a Lead Frontend 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
  • 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.


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 LocationThis 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
  • Stipends: Monthly phone and wellness benefits
  • 401(k): Offered (no current employer match, but we are committed to enhancing this benefit in the future).

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