Senior Frontend Engineer (React) at First Resonance

Los Angeles, California, United States

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$150,000 – $175,000Compensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Manufacturing, TechnologyIndustries

Requirements

5+ years of professional experience in frontend software development, with a proven track record of shipping complex, large-scale web applications
Strong proficiency in modern JavaScript/TypeScript, React and related frameworks (Next.js or similar), with a deep understanding of its core principles, hooks, and ecosystem
Experience designing, building, and consuming complex GraphQL APIs
Demonstrated experience working on a collaborative engineering team, with a passion for writing maintainable, high-quality code
Solid understanding of frontend architecture and design patterns, 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)

Responsibilities

Design and build scalable frontend systems: Implement a performant and maintainable frontend for the Ion Factory OS, our core manufacturing platform
Elevate the team: Contribute to code reviews and design discussions, sharing knowledge and fostering a culture of quality and continuous improvement
Drive frontend quality: Help guide technology 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: Develop 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: Write clean, testable code and advocate for best practices in architecture, testing, and documentation
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
Contribute to the technical roadmap: Help identify and propose improvements to frontend systems and architecture, supporting long-term scalability and performance

Skills

React

JavaScript

Apollo Client

Urql

State Management

Component Libraries

Testing Frameworks

Build Pipelines

SaaS

Real-time Data

First Resonance

Manufacturing software platform for hardware production

About First Resonance

First Resonance provides a manufacturing software platform called ION, which is designed to improve the production process for hardware companies. The platform allows engineers and technicians to navigate through various production steps easily, capturing comments, attaching files, and sharing feedback in real-time. ION integrates multiple aspects of manufacturing, including purchasing parts, managing inventory, and overseeing the supply chain, ensuring high-quality production and compliance with regulatory standards. Unlike its competitors, First Resonance focuses on creating a user-friendly interface that enhances collaboration and visibility throughout the manufacturing process. The company's goal is to help hardware companies, from startups to large enterprises, achieve faster and more efficient production while maintaining high standards of quality.

Los Angeles, CaliforniaHeadquarters

2018Year Founded

$17MTotal Funding

SERIES_ACompany Stage

Data & Analytics, Industrial & ManufacturingIndustries

11-50Employees