Frontend Software Engineer, London

Quantinuum is seeking to hire a Junior Front-end Engineer for our Cambridge-based cloud platform, Quantinuum Nexus. Our team aims to support the effort of quantum researchers at every stage of an experiment, making it easier for them to write, execute and analyze the results of quantum programs run on real hardware. In this role, you will help build the front-end for a web application, transforming wireframes and UI designs into working, testable code. You will work closely with other frontend engineers and be involved in frontend feature discussions.

For a candidate interested in expanding their skillset to other places in the stack, there could be options to work on our FastAPI Python services or Rust services, as time allows.

The ideal candidate will have:

• Comprehensive understanding of web fundamentals (CSS, HTML, JS).
• Solid understanding of git version control.
• Experience working with Typescript.
• Experience working with TailwindCSS.
• Experience working with React and NextJS (14+).
• Worked with async state management libraries such as @tanstack/query.
• Unit and E2E testing experience with tools like Jest, Vitest, Cypress or Playwright.
• Worked with a UI library: Material UI, Ant Design, Shadcn, Radix etc.
• Knowledge of semantic markup and accessibility standards (a11y, WAI-ARIA).

It would be desirable to have:

• Interest in Quantum Computing.
• Experience of implementing data visualization for scientific data using D3, charting libraries etc.
• Experience working with backend and QA engineers.

Working alongside a highly talented team, with leading names in the quantum computing industry. We offer a highly competitive package, equity, 28 days of paid holiday (in addition to public holidays), a workplace pension, a positive approach to flexible working and enhanced parental and adoption benefits.

About Us:

Science Led, Enterprise Driven – Accelerating Quantum Computing

Quantinuum is the world's largest integrated quantum company, pioneering powerful quantum computers and advanced software solutions. Quantinuum's technology drives breakthroughs in materials discovery, cybersecurity, and next-gen quantum AI. With approximately 500 employees, including 370+ scientists and engineers, Quantinuum leads the quantum computing revolution across continents.

Quantinuum recently secured $300m in funding, visit our news pages to learn more about this and other Quantinuum scientific breakthroughs and achievements.

Please note that employment with us is subject to successfully passing our pre-employment screening checks. We are an inclusive equal opportunity employer. You will be considered without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, or veteran status.

Please note that if you are NOT a passport holder of the country for the vacancy you might need a work permit.

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