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First Resonance · 3 weeks ago

Staff Software Engineer (Frontend / React)

Los Angeles

Full-time

Onsite

Lead/Staff

$170K/yr - $200K/yr

8+ years exp

First Resonance is focused on accelerating hardware development for innovative manufacturers. They are seeking a Staff Frontend Engineer to lead the architectural vision and technical strategy for the Ion Factory OS frontend, mentoring a team of engineers and driving technical decisions to enhance user experience and platform scalability.

Industrial AutomationManufacturingOperating SystemsSoftware

Responsibilities

Lead Architectural Strategy: Architect, design, and lead the implementation of a scalable, performant, and maintainable frontend for the Ion Factory OS, our core manufacturing platform

Mentor and Elevate the Team: Guide and mentor engineers through complex technical challenges, insightful code reviews, and architectural discussions, fostering a culture of engineering excellence

Drive Technical Decisions: Make high-impact decisions on our frontend technology stack, including state management (e.g., Apollo Client, Urql), component libraries, testing frameworks, and build pipelines

Build for Scale and Performance: Architect and implement reusable, resilient React components and JavaScript libraries, optimizing them for maximum performance and real-time data updates across a multi-tenant SaaS environment

Champion Best Practices: Establish and promote best practices for software architecture, testing, documentation, and operational excellence across the engineering organization

Collaborate Cross-Functionally: Partner closely with product management, UX/UI design, and backend engineering to translate product specifications and complex user workflows into elegant, robust, and intuitive user-facing features

Own the Technical Roadmap: Define and drive the long-term technical roadmap for the frontend, identifying opportunities for innovation, refactoring, and performance improvements to ensure our platform remains best-in-class

Qualification

ReactJavaScript/TypeScriptGraphQL APIsTechnical LeadershipFrontend Development ToolsTesting StrategiesArchitectural SkillsAgile MethodologiesUI/UX CollaborationMicro-Frontends

Required

8+ years of professional experience in frontend software development, with a proven track record of shipping complex, large-scale web applications

Expert-level proficiency in modern JavaScript/TypeScript, React and related frameworks (Next.js or similar), with a deep understanding of its core principles, hooks, and ecosystem

Significant experience designing, building, and consuming complex GraphQL APIs

Demonstrated experience in a technical leadership or mentorship capacity, with a passion for growing the skills of fellow engineers

Strong architectural skills, with experience building and maintaining scalable frontend systems in a SaaS, multi-tenant environment

Proficiency with modern frontend development tools and pipelines (e.g., Webpack, Babel, NPM) and version control (Git/GitHub)

Experience implementing robust testing strategies across the testing pyramid (unit, integration, e2e) using frameworks like Jest or Cypress

Familiarity with modern authorization mechanisms, such as JSON Web Tokens (JWT)