Demo

Senior Frontend Developer

Watchtower Labs
Bellevue, WA Full Time
POSTED ON 4/18/2026
AVAILABLE BEFORE 6/15/2026

Frontend Engineer – Watchtower Labs

Location: In Person. Bellevue, WA.

Eligibility: U.S. Citizenship required


About Watchtower Labs

At Watchtower Labs, we're an AI-first team with a singular mission: tackle the most demanding technical challenges in critical simulations and defense. We offer explosive personal growth, relentless complexity, and the rare opportunity to operate at the edge. If you're prepared to commit, with grit, determination, and the drive to excel, then this is your calling.


Role Overview

Join us as a Frontend Engineer, responsible for crafting reusable UI components with minimal design guidance. You’ll play a hands-on role in shaping the user experience, bringing technical precision and strong UX instincts to an environment where scalability and thoughtful interaction matter. An interdisciplinary background: spanning design, data, systems, or other fields is a big plus, helping bridge perspectives and innovate across domains.


Key Responsibilities

  • Architect, develop, and maintain modular, reusable UI components.
  • Translate product and interaction needs into intuitive frontend behavior.
  • Collaborate with backend or AI/ML engineers to ensure cohesive end-to-end user experiences.
  • Build frontends that scale robustly and anticipate evolving requirements.
  • Exhibit ownership over frontend quality, performance, and usability.


Required Skills & Profile

  • Proficiency in TypeScript and familiarity with Vite (or similar React-based tooling).
  • Deep comfort with frontend architecture: component reusability, scalability, and interaction patterns.
  • Strong UX intuition: you understand how design choices impact usability and can advocate for better patterns.
  • Self-sufficiency: able to work with minimal oversight, proactively solve problems, and iterate independently.
  • Emotional resilience to thrive in a high-pressure, unpredictable environment.
  • A mindset focused on excellence: you believe you're among the top 1% in your craft.


Why Watchtower Labs?

  • Intense challenge, unparalleled growth: long hours and high stakes and in return, rapid personal and professional development.
  • Impact and ownership: Your work directly influences critical systems and simulations.
  • Patriotic mission: This is more than code - it’s serving a vital cause.
  • Elite environment: You’ll be surrounded by equally driven peers and high expectations.


How to Apply

If this speaks to you, don’t submit a generic resume. Instead, share three bullet points that showcase your exceptional skills and achievements. Be bold. Be precise. Email your highlights to: jobs@watchtowerlabs.ai


Salary.com Estimation for Senior Frontend Developer in Bellevue, WA
$122,516 to $143,411
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