Quantum Chemistry Software Scientist — Electron‑Molecule Collisions

TwentyCi Ltd; Greater London; On-site; GBP 65,000 - 95,000; Full time

Job summary

Quantemol is seeking a Computational Physicist to join our quantum chemistry team in the UK, focusing on software development for electron–molecule collision simulations. You will contribute to the QEC codebase and work with academic partners on high‑impact research.

This full‑time role involves scientific software development, customer‑facing projects, and collaboration with leading researchers. Salary is negotiable based on experience.

Qualifications

• PhD in computational physics, quantum chemistry, or a closely related discipline.
• Strong background in quantum chemistry and electron–molecule collision theory, including excited states and cross sections.
• Excellent Python programming skills and experience working with scientific codebases.
• Ability to work independently while collaborating effectively within a research‑driven team.
• Clear written and verbal communication skills.

Responsibilities

• Develop, maintain, and extend the QEC electron–molecule collision simulation software.
• Interface with backend quantum chemistry and scattering codes, including R‑matrix implementations.
• Compute electron–molecule cross sections for Quantemol customers across projects.
• Collaborate with the UK R‑matrix community to support development.
• Co‑author publications with academic partners at UCL and other groups.
• Apply quantum chemistry and scattering theory concepts to robust computational solutions.
• Translate scientific requirements into customer‑facing projects and document methods and results.

Skills

Python programming

Communication

Independent work

Team collaboration

Scientific software development

Education

PhD in computational physics or quantum chemistry

Tools

FORTRAN

R-matrix codes

Job description

Quantemol is seeking a Computational Physicist to join our quantum chemistry team in the UK, focusing on software development for electron–molecule collision simulations. You will contribute to the QEC codebase and work with academic partners on high‑impact research.

This full‑time role involves scientific software development, customer‑facing projects, and collaboration with leading researchers. Salary is negotiable based on experience.