Staff Front End Software Engineer

Horizon3; United States; Remote; USD 140,000 - 190,000; Full time

Benefits offered by this job

Growth opportunities

Innovation-driven culture

Remote work

Inclusive and diverse team

Job summary

Horizon3 is seeking a Staff Software Engineer for the Core Front-End team. You will lead complex initiatives, define architectural direction, and mentor engineers to accelerate engineering effectiveness across the organization.

You will collaborate with Product, Design, Front-End, Back-End, Platform, and Security teams to build scalable, reusable UI patterns and improve performance, reliability, and usability of the NodeZero platform.

Qualifications

• 8+ years of experience building modern web applications at scale.
• Strong leadership in frontend architecture and cross-team collaboration.
• Mentoring engineers and raising engineering standards.
• Experience with React, TS, GraphQL and cloud-native environments.
• Familiarity with design systems, shared component libraries, and monorepos.

Responsibilities

• Lead front-end architecture decisions across the Horizon3 platform.
• Design scalable UI systems and reusable patterns for multiple products.
• Mentor engineers, guide technical strategy, and improve development workflows.
• Collaborate with Product, Design, and back-end teams to shape UX at scale.
• Improve CI/CD, testing, observability, and performance across front-end.

Tools

React

TypeScript

GraphQL

AWS

GitLab

CI/CD

Job description

• We are looking for a Staff Software Engineer to join our Core Front-End team and help shape the future of the user experience across the Horizon3 NodeZero platform
• This is not a traditional feature team role. The Core Front-End team operates as a central front-end architecture and enablement group responsible for driving the long-term scalability, consistency, performance, and usability of the NodeZero platform. You will work across multiple product areas and partner closely with Product, Design, Front-End, Back-End, Platform, and Security Engineering teams to define and implement modern user experiences at scale
• As a Staff Engineer, you will lead complex technical initiatives that span multiple teams and systems. You will help define architectural direction, establish engineering standards, improve developer workflows, and guide the evolution of our front-end platform and design system. You will also play a key role in mentoring engineers, influencing technical strategy, and accelerating engineering effectiveness across the organization
• 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 closely 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
• Our Front-End Stack
• React
• TypeScript
• GraphQL
• GitLab
• AWS
• Modern CI/CD pipelines
• Design systems and shared component libraries
• What Success Looks Like
• Engineering teams can move faster because of the systems and foundations you build
• Front-end experiences become more scalable, consistent, and maintainable
• Architectural decisions improve long-term product velocity
• Shared standards and tooling reduce friction across teams
• Engineers across the organization seek your guidance for complex technical challenges
• You help shape the future direction of the platform, not just individual features

Benefits

• Growth Opportunities: Be part of a dynamic and growing team with numerous career advancement opportunities
• Innovation-Driven Culture: Work in a collaborative environment that encourages creativity and out-of-the-box thinking
• Flexible Work Environment: Enjoy the convenience and work-life balance that comes with remote work
• Inclusive and Diverse Team: We value diversity and promote an inclusive culture where everyone can thrive

This role is ideal for engineers who enjoy solving ambiguous problems, influencing technical direction beyond their immediate team, and building systems that enable other engineers to move fasterExcellent written and verbal communication skillsAbility to thrive in fast-moving, highly collaborative environments with evolving prioritiesStrong debugging and problem-solving skills across both front-end and full-stack systemsExperience improving front-end performance, reliability, and maintainabilityExperience mentoring engineers and influencing technical directionExperience designing reusable component systems and scalable UI patternsStrong understanding of modern front-end architecture and application designDeep expertise in JavaScript/TypeScript and ReactStrong knowledge of application state management, asynchronous data flows, and API integration patterns8+ years of experience building modern web applications used in production at scaleExperience leading large technical initiatives across multiple teamsExperience with GraphQL and modern API-driven architecturesExperience building platforms, frameworks, or shared engineering infrastructureExperience working in a monorepo environmentExperience with modern build systems and toolingFamiliarity with cloud-native environments and AWSExperience with observability and monitoring tools such as DatadogExperience working closely with Product Design and Design SystemsStartup experience, particularly in high-growth environmentsExperience leveraging AI-assisted development workflows and engineering toolingCybersecurity or offensive security domain experience