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Staff Software Engineer, Front End

Horizon3 AI· Engineering
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Remote$199.8k - $260k + equityFull-timePosted 2w ago

About the role

Staff Software Engineer to join the Core Front-End team to drive architectural direction, build scalable UI systems, and improve developer experience across the Horizon3 NodeZero platform.

Responsibilities

  • Drive front-end architecture decisions across the platform
  • Design scalable, maintainable, and reusable UI systems and application patterns
  • Lead large cross-functional initiatives involving multiple engineering teams
  • Identify and reduce technical debt across shared front-end infrastructure
  • Define and evolve front-end best practices, standards, and engineering guidelines
  • Improve application reliability, observability, accessibility, and performance
  • Partner with Design to improve consistency and usability across the product
  • Help shape the long-term technical vision for the front-end platform
  • Improve shared tooling, component systems, and developer workflows
  • Drive improvements in CI/CD pipelines, testing strategy, local development experience, and review environments
  • Build reusable frameworks and abstractions that accelerate feature development across teams
  • Collaborate on front-end performance optimization and platform-wide UX improvements
  • Help standardize approaches across teams while balancing flexibility and autonomy
  • Contribute hands-on production code in React and TypeScript
  • Review code and provide high-quality technical feedback
  • Collaborate with Product Managers, Designers, and Engineers throughout the development lifecycle
  • Participate in technical planning, roadmap discussions, and architecture reviews
  • Help unblock teams and provide technical guidance for complex implementation challenges
  • Mentor engineers across multiple teams
  • Raise the engineering bar through technical leadership and collaboration
  • Influence engineering culture, review quality, and development practices
  • Act as a trusted technical partner for both engineering and product leadership
  • Help grow future technical leaders and architects within the organization

Qualifications

  • 8+ years of experience building modern web applications used in production at scale
  • Deep expertise in JavaScript/TypeScript and React
  • Strong understanding of modern front-end architecture and application design
  • Experience leading large technical initiatives across multiple teams
  • Experience designing reusable component systems and scalable UI patterns
  • Strong knowledge of application state management, asynchronous data flows, and API integration patterns
  • Experience improving front-end performance, reliability, and maintainability
  • Strong debugging and problem-solving skills across both front-end and full-stack systems
  • Excellent written and verbal communication skills
  • Experience mentoring engineers and influencing technical direction
  • Ability to thrive in fast-moving, highly collaborative environments with evolving priorities

Skills

Required:JavaScript/TypeScriptReactFrontend ArchitectureUI Component SystemsState Management & Data Flows

Benefits

  • health, vision & dental insurance for you and your family
  • flexible vacation policy
  • generous parental leave
  • equity package in the form of stock options
  • competitive salary
  • benefits align with company policies
Last updated Oct 8, 2026. Interested? Apply on the company site.

About Horizon3 AI

Only Pentesting Platform Proven in Production

Continuously assess, fix, and verify your security posture. Securing enterprises across many attack surfaces.

PentestingSecurity PostureThreat DetectionVulnerabilitiesRisk AssessmentOffensive Security
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