Mid-Level Frontend JavaScript Software Engineer (Hybrid) jobs in United States
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X-Bow Systems · 2 weeks ago

Mid-Level Frontend JavaScript Software Engineer (Hybrid)

positionAustin, TX
timeFull-time
remoteHybrid
seniorityMid Level
date3+ years exp

X-Bow Systems is a U.S. defense technology and rocket propulsion company seeking a Mid-Level Frontend JavaScript Software Engineer to join their development team. The role involves building responsive, scalable web applications and collaborating with various stakeholders to ensure a seamless user experience.

AerospaceIndustrialManufacturing
badNo H1BnoteSecurity Clearance RequirednoteU.S. Citizen Onlynote

Responsibilities

Develop and maintain user-facing features with clean, well-documented JavaScript (ES6+)
Translate UI/UX design wireframes into high-quality code
Ensure the technical feasibility of UI/UX designs
Build reusable code and libraries for future use
Optimize applications for maximum speed and scalability
Work closely with backend developers to integrate APIs and ensure seamless functionality
Participate in code reviews and contribute to best practices
Debug and resolve performance and usability issues
Collaborate with QA engineers to write testable code and verify application behavior
Stay current with emerging frontend technologies and propose their adoption where appropriate

Qualification

JavaScriptFrontend frameworksHTML5CSS3Version control (Git)RESTful APIsFrontend build toolsUnit testingAgile methodologyCommunication skillsProblem-solving skills

Required

3-5 years of professional experience in frontend development
Strong proficiency in JavaScript, including ES6+ syntax and best practices
Experience with HTML5, CSS3, and responsive web design
Proficiency in one or more frontend frameworks such as React, Vue, or Angular
Experience with version control systems, especially Git
Understanding of RESTful APIs and asynchronous request handling (e.g., fetch, axios)
Familiarity with frontend build tools such as Webpack, Vite, or similar
Ability to write unit and integration tests using tools like Jest, React Testing Library, or Cypress
Comfortable working in agile teams using tools like Jira, GitHub/GitLab, and CI/CD pipelines
Must be able to obtain and maintain a Secret clearance
Must be a US Persons as defined by § 120.62 of the ITAR
Strong communication and collaboration abilities
Proactive mindset with a willingness to take ownership
Passion for clean, maintainable, and testable code
Problem-solving skills and attention to detail
Ability to learn quickly and adapt to changing requirements

Company

X-Bow Systems

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X-Bow Systems (“X-Bow”) is an American startup defense technology company.
dateFounded in 2016
location
Albuquerque, New Mexico, USA
people-size201-500 employees
web-link
https://www.xbowsystems.com

Funding

Current Stage
Growth Stage
Total Funding
$200.79M
Key Investors
Lockheed MartinRazor's Edge VenturesLockheed Martin Ventures
2025-11-20Debt Financing· $5.98M
2025-05-12Series B· $35M
2024-07-10Series B· $70M

Leadership Team

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Jason Hundley
CEO / Founder
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John Leary
Co-founder and General Counsel
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Recent News

PR Newswire
X-Bow Systems Awarded Production Contract to Supply Critical Rocket Motor Igniters to V2X
2025-12-03
PR Newswire
X-Bow Readies Nation's Newest Solid Rocket Motor Facility for Production
2025-11-19
PR Newswire
X-Bow First to Deploy Lockheed Martin's Secure AI for Rocket Production
2025-10-30
Company data provided by crunchbase