Senior Software Engineer (Backend) - Cloud Platform

Confirmed live in the last 24 hours

IonQ

Compensation

$151,756 - $198,688/year

Bothell, Washington, United States

Hybrid

Posted March 19, 2026

Job Description

About IonQ:

IonQ, Inc. [NYSE: IONQ] is the world’s leading quantum company delivering solutions to solve the world’s most complex problems. IonQ’s newest generation quantum computers, IonQ Tempo and IonQ Forte Enterprise, are the latest in cutting-edge systems that have been helping customers and partners such as Amazon Web Services, AstraZeneca, and NVIDIA achieve 20x performance results. The company achieved 99.99% two-qubit gate fidelity, setting a world record in quantum computing performance in 2025.

The company is accelerating its technology roadmap and intends to deliver the world’s most powerful quantum computers with 2 million qubits by 2030 to accelerate innovation in drug discovery, materials science, financial modeling, logistics, cybersecurity, and defense. IonQ’s advancements in quantum networking position the company as a leader in building the quantum internet.

We don’t just build the world’s best quantum computers–we want them to be usable by everyone, everywhere. We are looking for a Senior Software Engineer to join a cross-functional team building the IonQ Cloud Platform, which connects our customers to our quantum computers via APIs, tools, and partner clouds like AWS, GCP, and Azure. You’ll help build key components of the platform in collaboration with our product team, applications team, systems team, and scientists to build the best quantum developer experience for our customers and partners.

Responsibilities:

Reporting to Sr Manager of Cloud Engineering, as a Senior Software Engineer you will work closely with Infrastructure Engineering, Application Development and Operations teams to provide highly available and fault tolerant cloud services
In collaboration with the Product team and other engineers, design, build, validate, and deploy APIs and capabilities to make quantum computing accessible and useful to novices and experts alike
Build, extend and maintain our cloud platform
Participate in on-call rotations

You’d be a good fit with:

Bachelor's degree in Computer Science, Engineering or a related field, or equivalent training, fellowship, or work experience
5+ years professional experience in software engineering, working in a team environment
Strong experience with large-scale cloud service platforms, and the design of scalable and robust services in the real world
Multiple programming languages like Go, JavaScript or Python is essential
Experience in building APIs, libraries and DX (Developer Experience)
Experience working in a cloud native environment (AWS/GCP/Azure, K8s/serverless)
Strong written and oral communication, excellent collaboration and interpersonal skills

You’d be a great fit with:

7+ years of professional software experience
3+ years working with kubernetes
3+ years working with SQL databases
OAuth, OpenID, SAML based authentication experience
Prior experience developing on Google Cloud Platform

Location: This role will work onsite or hybrid from our office located in Bothell, WA.
Travel: Less than 10%
Job ID: 1344

The approximate base salary range for this position is $151,756 - $198,688. The total compensation package includes base, bonus, and equity.

Compensation will vary based on individual factors such as education, qualifications, and experience of the final candidate(s), specific office location, and calibration against relevant market data and internal team equity. Posted base salary figures are subject to change as new market data becomes available. Our benefits include comprehensive medical, dental, and vision plans, matching 401K, unlimited PTO and paid holidays, parental/adoption leave, legal insurance, and a home technology stipend. Details of participation in these benefit plans will be provided when a candidate receives an offer of emplo

pythonjavajavascriptgoawsgcpazurekubernetesaibackend