Senior Software Engineer

Quantinuum; England; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading quantum computing firm in the UK is looking for a Senior Advanced Software Engineer to develop and enhance their documentation platform. This role involves creating a high-quality documentation site while contributing to data analytics initiatives. The ideal candidate will have experience with React and data engineering, alongside strong collaboration skills to work with various teams. Join this innovative company to be at the forefront of quantum technology and make a measurable impact.

Benefits

28 days paid holiday

Workplace pension

Flexible working policy

Enhanced parental benefits

Qualifications

• Minimum 5+ years of experience shipping production-grade software.
• Due to security requirements, must be UK or U.S. citizen if from China or Russia.

Responsibilities

• Design, develop, and maintain documentation site using React.
• Collaborate with product, writers, and engineers to enhance user experience.
• Build and maintain data pipelines supporting analytics and insights.

Skills

React

Data engineering

Stakeholder collaboration

Frontend technologies

User engagement analysis

Education

Bachelor’s degree in Computer Science

Tools

Cypress

Power BI

Next.js

Git/GitHub

Job description

Overview

As a Senior Advanced Software Engineer on the Operational Excellence team, you will own the development and continuous improvement of Quantinuum’s documentation platform while also serving as a key contributor to data engineering and analytics initiatives that support business and product decision-making.

You will focus on building and evolving docs.quantinuum.com, delivering a fast, intuitive, and high-quality documentation experience for quantum computing users. Approximately 25% of your role will focus on designing, building, and owning data pipelines that support documentation analytics, user engagement insights, and broader operational and business needs.

You will partner closely with software, hardware, product, documentation, and business teams to translate user behavior and platform usage into actionable insights. This role is ideal for an engineer who enjoys combining frontend excellence, data engineering, and stakeholder collaboration to drive measurable impact.

What You’ll Own

• The technical vision and roadmap for Quantinuum’s documentation website
• Frontend architecture, UI components, and design consistency
• Developer and writer experience for content contribution
• Site usage analytics and KPIs that inform product and leadership decisions
• Design, build, and maintain data pipelines that support documentation usage analytics, product insights, and operational reporting
• Translate business requirements into reliable, scalable data models

Key Responsibilities

• Design, develop, and maintain a fast, accessible, and responsive documentation site using React and modern frontend technologies
• Collaborate with product managers, technical writers, designers, and engineers to deliver a high‑quality documentation experience
• Build and maintain reusable UI components and a consistent design system
• Integrate content from markdown‑based or headless CMS systems (e.g., MDX)
• Optimize site performance, accessibility, and SEO (Core Web Vitals, lazy loading, WCAG)
• Proactively propose and implement UI/UX enhancements to increase user engagement
• Own and report on documentation site KPIs, including traffic, usage patterns, and search effectiveness
• Participate in code reviews, CI/CD workflows, and quality assurance practices
• Present UI updates and roadmap proposals to internal stakeholders
• Design, implement, and maintain data pipelines supporting documentation analytics, product insights, and business reporting
• Support dashboards and reporting used by leadership and partner teams for strategic decision‑making
• Apply best practices in data modeling, documentation, and governance
• Occasional travel (up to 10%)

YOU MUST HAVE

• Bachelor’s degree in Computer Science or equivalent experience
• Minimum 5+ years of experience shipping production‑grade software
• Due to national security requirements imposed by the U.S. Government, candidates for this position must not be a People\'s Republic of China national or Russian national unless the candidate is also a U.S. or UK citizen.

WE VALUE

• Professional experience building frontend applications with React
• Experience collaborating in multi‑disciplinary engineering teams
• Ability to translate user needs into technical solutions and roadmap priorities
• Professional experience designing and maintaining data pipelines or analytics workflows that support business decision‑making
• Experience with modern frontend workflows (Next.js, Vite, Webpack)
• Integration testing using browser‑based tools (e.g., Cypress)
• Experience with documentation frameworks or static site generators (Docusaurus, Next.js, Sphinx)
• Solid understanding of HTML, CSS, and web accessibility standards
• Familiarity with Markdown, MDX, or templating systems
• Strong Git/GitHub workflow experience
• Passion for clean code, intuitive UX, and developer‑centric design
• Excellent communication skills and stakeholder collaboration
• Experience with data engineering or analytics platforms (e.g., SQL-based warehouses, ETL/ELT pipelines)
• Familiarity with data visualization or BI tools (e.g., Power BI)
• Search integration experience (Algolia, DocSearch, ElasticSearch)
• Familiarity with CI/CD pipelines (GitHub Actions)
• Experience with headless CMSs (Sanity, Contentful, Strapi)
• Background in technical writing or developer documentation
• Open‑source contributions, particularly in developer tooling or docs
• Familiarity with data platforms

SUCCESS LOOKS LIKE

• Growth in documentation usage and user community engagement
• Users quickly find accurate answers through an intuitive, performant site
• Writers and engineers can easily contribute and update content
• Measurable improvements in SEO, analytics, and site performance
• Continuous UI/UX improvements driven by data and user feedback

What is in it for you?

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

Quantinuum is the world leader in quantum computing. The company’s quantum systems deliver the highest performance across all industry benchmarks. Quantinuum’s over 650 employees, including 400+ scientists and engineers, across the US, UK, Germany, and Japan, are driving the quantum computing revolution.

By uniting best-in-class software with high-fidelity hardware, our integrated full-stack approach is accelerating the path to practical quantum computing and scaling its impact across multiple industries.

As we celebrate the International Year of Quantum, there has never been a more exciting time to be part of this rapidly evolving field. Byjoining Quantinuum, you’ll be at the forefront of this transformative revolution, shaping the future of quantum computing, pushing the limits of technology, and making the impossible possible.

Visit our news pages to learn more about Quantinuum and our scientific breakthroughs and achievements:

Quantinuum Intro Video: The Future of Quantum Computing

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.