Staff Software Engineer, Front End

The role

You will lead front-end architecture and enablement for the NodeZero platform. You will drive scalability, consistency, and performance while mentoring engineers and improving developer workflows.

What you will do

• 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
• Improve shared tooling, component systems, and developer workflows
• Contribute hands-on production code in React and TypeScript
• Mentor engineers across multiple teams

Required 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

Nice to have

• Experience building platforms, frameworks, or shared engineering infrastructure
• Experience with GraphQL and modern API-driven architectures
• Experience working in a monorepo environment
• Experience with modern build systems and tooling
• Familiarity with cloud-native environments and AWS
• Experience with observability and monitoring tools such as Datadog
• Experience working closely with Product Design and Design Systems
• Startup experience, particularly in high-growth environments
• Cybersecurity or offensive security domain experience
• Experience leveraging AI-assisted development workflows and engineering tooling

Benefits

• health, vision & dental insurance for you and your family
• flexible vacation policy
• generous parental leave
• equity and benefits

About the company

Horizon3 is a remote cybersecurity company dedicated to enabling organizations to proactively find, fix and verify exploitable attack vectors. The team is a fusion of former U.S. Special Operations cyber operators, startup engineers and operators, and formerly frustrated cybersecurity practitioners.