Senior Chief Platform Architect - 801

The role

You will be the technical authority for the design of Quantinuum's quantum software developer platform, covering access portals for quantum computers, hybrid workflow orchestration, tooling, documentation and security. You will mentor senior engineers and help define the technical roadmap.

What you will do

• Own the design and specifications of a high-performance developer platform.
• Refine quantum computer access API and web portal architecture for performance, scalability and multi-region operation.
• Transform the web portal into an application development and delivery framework using a cloud-based hybrid workflow engine and reusable quantum/classical components.
• Define standard interfaces for hosting application components and building applications by internal and external developers.
• Ensure the security and reliability of the platform as it scales up.
• Deliver customizable cloud-based hybrid applications to end users.
• Help define and maintain the technology roadmap, translating business goals into technical requirements and evaluating new technologies.
• Establish best coding practices, perform architectural reviews, and mentor senior software engineers.
• Work with other leaders on hardware-software co-design efforts.

Required qualifications

• 25+ years in software engineering.
• At least 5+ years in a senior architect or lead role, specifically within developer platforms.
• Deep knowledge of cloud platforms (AWS, Azure, or GCP) and cloud-native solutions.
• Expertise in CI/CD pipeline design, developer portals (e.g., Backstage), and observability tools.
• Demonstrated success in designing large-scale software systems.
• Proven ability to lead architectural work for large-scale projects and influence teams without direct authority.
• Excellent communication skills, able to explain complex technical concepts to technical and non-technical stakeholders.
• Bachelor's degree in Computer Science, Engineering, or a related field.

Nice to have

• Master's or PhD degree.
• Prior experience in the design and architecture of developer platforms.
• Experience building platform engineering teams from the ground up.
• Background in Site Reliability Engineering (SRE).
• Record of publication or patents in quantum computing.

Benefits

• Competitive compensation and the opportunity to work on groundbreaking technology.
• Flexible work arrangements that support work-life balance.
• Employer-subsidized medical, dental, and vision insurance.
• 401(k) retirement savings plan with company match and student loan repayment benefit.
• Equity opportunities.
• Generous paid time off, sick leave, and 12 paid holidays annually.
• Paid parental leave.
• Employee discount programs.

Before you apply

• Some U.S. positions involve export-controlled technology; a non-U.S. person may need government authorization before accessing it, and hiring on this basis depends on whether that authorization can be
• Quantinuum is a federal contractor and provides equal employment opportunity to qualified individuals with disabilities and protected veterans.
• Applications are accepted on an ongoing basis, with no application deadline for this position.

About the company

Quantinuum is a leading quantum computing company delivering a full stack platform to make quantum computing deployable in real-world environments. It has more than 800 employees, headquartered in Broomfield, Colorado, and operates across the United States, United Kingdom, Germany, Japan, and Singapore.