Universitat de Barcelona is seeking a First Stage Researcher (R1) in Medical Sciences to provide technical support for ATMP production, including lentiviral particles, cell therapy and tissue engineering products. The position is a 12-month temporary contract, 35 hours per week, starting 1 Sep 2026 with potential renewal. Salary is €31,024.10 gross per year. English, Spanish and Catalan language requirements apply; knowledge of GMP/ISO/GLP quality regulations preferred.