Staff Backend Engineer, Quantum Cloud Platform

Capella Space; Bothell (WA); On-site; USD 152,000 - 228,000; Full time

Job summary

IonQ is seeking a Staff Backend Software Engineer to join the Cloud Platform team. You will connect customers to quantum hardware via APIs and partner clouds, building core components with product, applications, and systems teams.

You’ll own the job processing pipeline, ensure reliability, and guide API design, testing, and observability while mentoring engineers and expanding AI-assisted capabilities.

Qualifications

• Bachelor's degree in Computer Science, Engineering or related field, or equivalent training/experience.
• 7+ years of professional software engineering experience.
• Experience with large-scale cloud service platforms and scalable services.
• Proficiency in Go, TypeScript or Python; PostgreSQL databases.
• Cloud providers AWS, GCP or Azure; Kubernetes or serverless environments.

Responsibilities

• Lead design and implementation of software experiences for quantum developers and newcomers.
• Define API contracts with backend teams and drive testing, observability and CD practices.
• Contribute to job processing pipelines from pre-processing to results delivery.
• Integrate AI capabilities to improve customer experiences and mentor engineers.
• Coordinate across cross-functional teams and participate in on-call rotations.

Skills

Go

TypeScript

Python

PostgreSQL

AWS

GCP

Azure

Kubernetes

Cloud-native

Education

Bachelor's degree in Computer Science, Engineering or related field

Tools

Kubernetes

Job description

IonQ is seeking a Staff Backend Software Engineer to join the Cloud Platform team. You will connect customers to quantum hardware via APIs and partner clouds, building core components with product, applications, and systems teams.

You’ll own the job processing pipeline, ensure reliability, and guide API design, testing, and observability while mentoring engineers and expanding AI-assisted capabilities.