Senior Full-Stack Engineer, Quantum Applications

IonQ; Boulder, College Park, Bothell (CO, MD, WA); Hybrid; USD 146,000 - 209,000; Full time

Job summary

IonQ in the United States is hiring a Senior Full Stack Software Engineer for Application Engineering. You will join a cross‑functional team turning quantum research into practical tools via APIs, libraries, and SaaS offerings.

The role emphasizes clear interfaces, robust API design, and data visualization, with collaboration across Applications, Developer Tools, Infrastructure and Product teams.

Hybrid work with two remote days per week and travel up to 5%.

Qualifications

• Bachelor's degree in Computer Science, Engineering, Physics, or related field
• 5+ years of experience in REST, GraphQL, or gRPC frameworks
• Experience building or supporting rich UIs, especially with data visualization tools like three.js , D3, WebGL
• Familiarity with Agentic AI coding tools and techniques such as skills, docstring generation, code review, and best practices for AI coding
• Previous work in scientific computing, quantum computing, or a technical consulting fields
• A track record of shipping applications that solve real business problems

Responsibilities

• Creating simple and clear interfaces in cooperation with domain experts.
• Designing the API endpoints and intuitive software library interfaces, making applications and tools easy to maintain and update
• Working closely with peers in Applications, Developer Tools, and Field Engineering teams to share best practices and give feedback on internal tools, especially rich data API’s to support large data sets, and where applicable, visualization
• Mentoring junior developers with the team.

Skills

REST

GraphQL

gRPC

Full stack development

Three.js

D3

WebGL

Python

Golang

Data visualization

Education

Bachelor's degree in Computer Science or related field

Job description

IonQ in the United States is hiring a Senior Full Stack Software Engineer for Application Engineering. You will join a cross‑functional team turning quantum research into practical tools via APIs, libraries, and SaaS offerings.

The role emphasizes clear interfaces, robust API design, and data visualization, with collaboration across Applications, Developer Tools, Infrastructure and Product teams.

Hybrid work with two remote days per week and travel up to 5%.