Senior/Staff Frontend Engineer

Queue

. Own the pharmacy machine operator screen and subsequent product screens .

Posted 10/9/2026full-timeNewark • California • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and maintaining React applications with strict TypeScript, ensuring high-quality standards through testing and design fidelity. Possesses strong collaboration skills to work effectively with product designers and engineers in a fast-paced environment.

Highest-signal resume keywords

React 19TypeScriptWebSocketTailwind 4End-to-End Testing

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

React Application DevelopmentTypeScript TypesComponent TestingTouch Interface DesignUnit TestingState ManagementDesign Prototype ImplementationAccessibility KnowledgeResponsive Web DesignDesign System Creation

Soft Skills

CollaborationProblem SolvingAttention to Detail

Tools & Technologies

ViteVitestPlaywright

Industry Keywords

Healthcare ExperienceRegulated Industry Experience

Tech Stack

Tools & technologies

CloudReactRustTypeScript

About the role

Key responsibilities & impact

Own the pharmacy machine operator screen and subsequent product screens
Build and maintain interfaces for prescription queues, drug and consumable replenishment, machine health, administration, exception handling, and on-screen keypad sign-in
Develop the React application for the machine and maintain fidelity with the reviewed design prototype
Collaborate daily with the product designer and engineers owning the on-machine software
Implement touch-only interaction patterns for busy pharmacy technicians
Design interruption states covering ambient status, calls for attention, and blocking dialogs, including machine-fault alerts
Render server-owned domain state delivered through the interface contract
Work with TypeScript types generated from Rust source and identify contract drift through build failures
Establish and enforce frontend quality standards through unit tests, coverage measurement, end-to-end browser tests, and lint rules for design tokens
Set standards for later screens, including the cloud operations dashboard
In the first 90 days, merge screen changes, learn core technician workflows, participate in design reviews, establish interruption and testing practices, ensure design/application fidelity, prepare for security review, and plan the next dashboard

Requirements

What you’ll need

Experience owning a product surface used daily, from initial design through field issues, with evidence of changes made after failures
Expertise with strict TypeScript and types that make invalid states impossible to express
Experience with React 19 and the React Compiler
Understanding of the Rules of React
Experience building over state owned by the server and delivered by WebSocket
Experience with Tailwind 4, Vite, Vitest, and Playwright
Experience with component tests and real-browser end-to-end tests
Experience turning a living design prototype into production software
Working knowledge of touch interfaces on fixed devices, including large targets, application-drawn keypads, and mis-tap protection
Ability to reason in explicit states and transitions
Accessibility knowledge including WCAG 2.1 AA and responsive web work (nice to have)
Experience with embedded browsers, point-of-sale, or other constrained devices (nice to have)
Healthcare or regulated-industry experience (nice to have)
Experience creating a design system or standard adopted by other engineers (nice to have)

Benefits

Comp & perks

Small team, zero bureaucracy, high trust
Significant autonomy and influence
Ownership of the operator screen end to end, then every screen that follows
Direct impact on pharmacy staff using the machine
Professional growth through setting the frontend standard for later screens