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Software Engineer - Frontend

Job in Federal Way, King County, Washington, 98003, USA
Listing for: Mosaic.tech
Full Time position
Listed on 2026-07-15
Job specializations:
  • Software Development
    Front End Developer, React.js, Full Stack Developer
Salary/Wage Range or Industry Benchmark: 130000 - 230000 USD Yearly USD 130000.00 230000.00 YEAR
Job Description & How to Apply Below

Software Engineer – Frontend

Locations:
New York, NY;
Los Angeles, CA;
Austin, TX.

Nominal is building the connected test and operations platform powering the world’s most advanced hardware systems, from spacecraft and autonomous vehicles to next-generation defense programs. Our platform gives hardware engineering teams a single place to ingest data, analyze performance, automate test execution, and collaborate across every phase of development, so they can move faster without sacrificing safety or precision. We’re a fast‑moving team that owns problems end‑to‑end, works across disciplines, and thrives at the intersection of hardware and software.

We serve top‑tier commercial and defense customers, including Anduril, Shield AI, Hermeus, REGENT, Pratt Miller Motorsports, and partners with the U.S. Navy and U.S. Air Force. Our team draws from SpaceX, Palantir, Anduril, Applied Intuition and other leading companies.

About the role
  • Develop and Enhance Features
    :
    Build and improve frontend functionality using modern JavaScript frameworks such as React, Next.js, and Type Script. Focus on creating polished, usable interfaces with an emphasis on user experience.
  • Collaborate Across Teams
    :
    Partner closely with backend engineers to integrate APIs and ensure seamless user experiences. Work with product and design teams to validate designs and iterate on features.
  • Build Scalable Systems
    :
    Contribute to scalable architecture, particularly when working with APIs and managing large data volumes to optimize the user experience.
  • Prioritize Performance and UX
    :
    Create high‑performance, visually appealing frontend solutions that handle complex data sets efficiently. Ensure the product is fast, smooth, and intuitive to use, even under heavy load.
Qualifications
  • 3+ years of experience in frontend software engineering, building web applications and data‑driven tools.
  • Strong knowledge of modern frontend technologies such as React, Next.js, and Type Script.
  • Passion for crafting beautiful, user‑centric interfaces and a keen eye for design details.
  • Experience working on products for technical users, such as dashboards, time‑series visualization tools, or complex data‑editing environments.
  • Collaborative mindset and desire to contribute to the product roadmap by offering insights and feedback.
Skills that supercharge us
  • Frontend Development:
    Expertise in modern JavaScript and frameworks like React, Next.js, and Type Script.
  • Styling & UI Libraries:
    Familiar with Tailwind CSS and Radix UI for building reusable UI components.
  • API Integration:
    Experience with RESTful, GraphQL, or tRPC APIs.
  • Performance Optimization:
    Knowledge of techniques for rendering large datasets and building responsive interfaces.
  • WebGL/Graphics:
    Experience with or interest in WebGL and data visualization projects.
Benefits
  • 100% coverage of medical, dental, and vision insurance.
  • Unlimited PTO and sick leave.
  • Free lunch, snacks, and coffee.
  • Professional Development stipend.
  • Annual company retreat.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.

To conform to U.S. Government export regulations, applicant must be a U.S. citizen or national, lawful permanent resident, refugee, or asylee, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR.

Compensation

The base pay range for this role is $130,000 – $230,000 per year.

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