Senior Software Engineer (Open Source)

Join Riverlane, a leading company in quantum computing software. As a Senior Software Engineer, you will lead the development of Deltakit, a platform for error-corrected quantum computing. You will drive the design and delivery of new features, improve performance and usability, and ensure the platform scales with adoption. You will also engage with researchers and the wider QEC community to support adoption and gather feedback for improvements. This role offers equity, 28 days of annual leave, private medical insurance, life insurance, and a contributory pension scheme.

• Lead the development of Deltakit, shaping its direction and ensuring it evolves to meet the needs of a growing user community.
• Drive the design and delivery of new features, improving performance and usability, and ensuring the platform scales as adoption grows.
• Engage with researchers, engineers, and the wider QEC community to support adoption of Deltakit, understand its usage, and translate feedback into improvements.
• Broad understanding of software systems (e.g. compilers, operating systems, computer architecture)
• Ability to translate complex, research-driven concepts into robust, scalable and user-friendly solutions
• Experience shipping software to users and maintaining high engineering standards
• Interest in contributing to the quantum open-source ecosystem
• Experience designing and building high-quality scientific or technical software, primarily in Python
• Strong written and verbal communication skills
• Ability to shape technical direction, drive best practices, and support others through mentorship and leadership
• Collaborative mindset, with experience working across diverse teams
• Curiosity and a strong drive to learn and solve complex problems
• Strong technical foundation (e.g. computer science, mathematics, physics or similar)
• Experience with a strongly typed language (e.g. C++ or Rust)
• Women and other underrepresented groups may be less likely to apply for a role unless they meet all or nearly all the requirements. If this applies to you, we still encourage you to apply - you may be a great fit, even if you don’t meet every single qualification. We’d love to hear from you