IMPORTANT: after you apply, please check your email. We send you a link to complete your application — it is not considered until that last step is done. If you do not see it, check your spam folder. This is a fully remote position, open to candidates based in Spain. Pay: $80–$160/hr Role Title: Physics Expert (Condensed Matter / Magnetic Materials) Role Type: Contractor

Location:
Remote We are engaging Physics Experts (Condensed Matter / Magnetic Materials) to contribute to a leading-edge research opportunity focused on magnetic space groups, neutron scattering, BNS notation, and the physical signatures of magnetic order. In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters. Scope of Work
* Analyze and interpret magnetic structure factors, utilizing propagation-vector methodologies and advanced symmetry concepts in condensed matter physics.
* Identify and classify magnetic phases (AFM, FM, and related types) using both theoretical and experimental data,



including neutron diffraction results.
* Curate and validate magnetic space group assignments with reference to established datasets such as MAGNDATA, ensuring robust correlation with BNS notation conventions.
* Evaluate birefringence and magneto-optic Kerr effect (MOKE) signatures for selected materials, connecting optical phenomena to underlying magnetic structure. Preferred Qualifications
* Advanced academic background (PhD or equivalent research experience) in condensed matter physics, with a specialization in magnetism or related fields.
* Demonstrated proficiency in magnetic structure factor calculations, propagation-vector analysis, and symmetry-based phase identification.
* Direct experience classifying magnetic space groups, with hands-on familiarity with MAGNDATA and BNS notation.
* Strong knowledge of neutron scattering techniques for magnetic structure determination.
* Ability to connect experimental signatures (e.g., birefringence, MOKE) to underlying physical mechanisms.

📌 Expert (Comunidad de Madrid)
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📍 Comunidad de Madrid