Senior Front End Engineer

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Senior Front End Engineer in USA new

IonQ
Full time
Email

USA
10/02/2026
Report

Santa Clara, CA

Responsibilities

Design and implement responsive, accessible UI components using React, Vue, or similar 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 keeping topology graphs, tables, and charts performant at 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 refine the user experience.
Maintain and evolve the platform’s component and design system.
Ensure WCAG accessibility and cross-browser compatibility.
Monitor and optimize frontend performance for large topology and data sets.
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

5+/8+ years of experience as a frontend engineer, UI/UX engineer, or product designer with strong coding ability, ideally on data-dense or technical SaaS products.
Experience owning frontend architecture decisions and mentoring engineers.
Proficiency in JavaScript or TypeScript and component-based frameworks, with React preferred and Vue or Angular acceptable.
Strong UX skills in information architecture, interaction design, and visual hierarchy, supported by a design-to-code portfolio.
Experience designing interfaces for complex, data-heavy domains such as dashboards, network 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/device compatibility.
Ability to conduct or contribute to usability testing and apply findings to design and engineering improvements.
Preferred experience in network security, cybersecurity, or IT infrastructure SaaS products.
Preferred familiarity with D3.js, Recharts, Cytoscape.js, or similar data visualization libraries.
Preferred 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, and Cypress.

Benefits

Base salary range of $124,000—$186,000 USD, plus bonus, equity, and benefit options.
Comprehensive medical, dental, and vision plans.
Matching 401(k), unlimited PTO, and paid holidays.
Parental/adoption leave, legal insurance, and a home technology stipend.
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.

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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