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fresnosummit - Senior Frontend Engineer

Remote2d ago

Requirements

• TypeScript • Angular • React • PWA • React Native / Expo • REST APIs • GraphQL • GitHub Actions • Datadog RUM • Operated as a senior engineer or technical lead on production frontend applications. • Strong expertise with React and its modern ecosystem (hooks, functional components, context, and current state management and data-fetching patterns). • Strong proficiency with TypeScript, including idiomatic use of its type system. • Working knowledge of Angular, or the ability to quickly become productive in an existing Angular codebase. • Deep understanding of HTML, CSS, browser APIs, and the browser rendering model. • Experience building responsive interfaces that work well across desktop, tablet, and mobile devices. • Experience consuming and helping shape REST and/or GraphQL APIs. • Experience with modern frontend testing tools (e.g., Vitest or Jest, React Testing Library, Playwright). • Hands-on experience using AI coding tools in professional work, with sound judgment about when to trust, verify, or discard their output, and a clear understanding of what data must never be shared with them. • Experience with modern build tooling (e.g., Vite, webpack) and CI/CD platforms such as GitHub Actions. • Solid understanding of web security fundamentals (XSS, CSRF, CSP, secure token handling). • Excellent communication, collaboration, and problem-solving skills. • A track record of mentoring engineers and leading technical initiatives. • Self-motivated and effective working in a remote-first environment. • Experience building Progressive Web Apps, including service workers, offline storage (IndexedDB), and background sync. • Experience with React Native and/or Expo, including shipping apps to the App Store or Google Play. • Experience testing React Native apps (Jest, React Native Testing Library, Detox or Maestro). • Experience sharing code and components between web and native applications. • Experience leading or contributing to a large-scale frontend framework migration. • Experience building and maintaining design systems or component libraries. • Experience building multi-tenant or white-labeled SaaS applications. • Experience with frontend observability tools such as Datadog RUM or Sentry. • Understanding of payment processing systems, PCI DSS, and secure checkout flows. • Background in ecommerce, B2B wholesale, or field sales applications. • Familiarity with API security concepts including OAuth 2.0, JWT, authentication, and authorization. • Experience establishing team practices for AI-assisted development (e.g., shared context and conventions files, review standards for AI-generated code, guardrails for sensitive data). • Working knowledge of Java/Spring Boot or other backend technologies.

Responsibilities

• Design, develop, and maintain customer-facing web applications for buyers, sales reps, and brands. • Help define the architecture of our next-generation frontend platform, including component design, state management, routing, data fetching, and build tooling. • Evaluate and implement cross-platform approaches (Progressive Web Apps, React Native/Expo) to deliver a great experience across desktop, tablet, and mobile. • Build offline-capable, resilient experiences for users working with intermittent connectivity. • Build and maintain a reusable, accessible component library and design system. • Maintain our existing Angular applications and help lead a possible migration to new technology, such as React. • Collaborate with backend engineers to design REST and GraphQL APIs that are intuitive, efficient, and well-suited to frontend needs. • Ensure frontend code meets PCI DSS and security requirements. • Own frontend performance: bundle size, rendering performance, Core Web Vitals, and perceived responsiveness on real-world devices and networks. • Champion engineering best practices including code reviews, automated testing, CI/CD, observability, and documentation. • Use AI-assisted development tools (e.g., Claude Code, Cursor, GitHub Copilot) to accelerate delivery, while owning the correctness, security, and maintainability of everything you ship. • Take ownership of features from design through production, including monitoring and operational support. • Work in small, incremental pull requests with a strong emphasis on code reviews, automated testing, and continuous delivery. • Mentor and support engineers through technical leadership, design reviews, and pair programming. • Troubleshoot production issues and participate in an on-call rotation as needed.