Senior Front End Engineer

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Senior Front End Engineer in USA

IonQ
Full time
Email

USA
09/29/2026
Report

Santa Clara, CA

Responsibilities

Design and implement responsive, accessible UI components using React, Vue, or similar frontend frameworks.
Translate network security concepts such as topology maps, risk scores, policy rules, alerts, and remediation steps into usable interfaces.
Own UX for onboarding, network and device discovery, dashboards, investigations, and reporting workflows.
Create wireframes, prototypes, and high-fidelity mockups and iterate based on user feedback and usability testing.
Collaborate with backend engineers on APIs and data contracts while optimizing topology graphs, tables, and charts for scale.
Partner with QA and Solutions Testing teams to validate workflows across customer network scenarios.
Gather feedback from customers, sales engineers, and support teams to improve the product experience.
Maintain and evolve the platform component and design system.
Ensure accessibility and cross-browser compatibility and optimize frontend performance.
Define frontend architecture, tooling, coding standards, state management, and component architecture.
Mentor junior and mid-level frontend/UI engineers through reviews, pairing, and design critiques.

Requirements

At least 5 years of experience as a frontend engineer, UI/UX engineer, or product designer with strong coding ability.
Experience owning frontend architecture decisions and mentoring engineers.
Proficiency in JavaScript or TypeScript and a component-based framework such as React, Vue, or Angular.
Strong UX skills in information architecture, interaction design, and visual hierarchy, with a portfolio showing design-to-code work.
Experience designing data-heavy interfaces such as dashboards, network or graph visualizations, security tools, or DevOps tools.
Proficiency with Figma, Sketch, Adobe XD, or similar design tools.
Familiarity with REST APIs and collaboration with backend teams on UI data contracts.
Understanding of responsive design, WCAG accessibility standards, and cross-browser and device compatibility.
Ability to conduct or support usability testing and apply findings to design and engineering improvements.
Preferred: experience with network security, cybersecurity, or IT infrastructure SaaS products.
Preferred: familiarity with D3.js, Recharts, Cytoscape.js, or similar data visualization libraries.
Preferred: basic understanding of Layer 2/Layer 3 networking concepts including VLANs, routing, and ACLs.
Preferred: experience with design systems and component libraries at scale.
Preferred: exposure to CI/CD pipelines and frontend testing frameworks such as Jest, Playwright, or Cypress.

Benefits

Based in the Santa Clara, California office with the option to work remotely a few days per week.
Travel up to 15%, domestic or international.
Comprehensive medical, dental, and vision plans.
Matching 401(k), unlimited PTO, and paid holidays.
Parental and adoption leave, legal insurance, and a home technology stipend.

Salary: $124k - $186k/yr

IonQ

IonQ, Inc. [NYSE: IONQ] is the world’s leading quantum platform and foundry - delivering integrated quantum solutions across computing, networking, sensing, and security. IonQ’s newest generation of quantum computers, the forthcoming IonQ Tempo, will be the latest in a line of cutting-edge system...

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