Applications are invited for intern positions at the IMDEA Software Institute in Madrid, Spain. The successful candidates will work under the supervision of Alexey Gotsman on the design and implementation of distributed protocols for blockchains and transaction processing. The particular research topic will be determined based on the common interests of the candidate and the supervisor, and can be either theoretical or practical. This position is part of the grant CNS2023\-144164, funded by MCIN/AEI/10\.13039/501100011033/ and by the European Union “NextGenerationEU”/PRTR ### **Who should apply?** Candidates should have a strong background in computer science or applied mathematics. ### **Duration** The duration of the internship is 4\-6 months. ### **Working at IMDEA Software** The IMDEA Software Institute is located in the vibrant city of Madrid, Spain. It offers an ideal working environment, where researchers can focus on developing new ideas and projects. The working language at the institute is English; the knowledge of Spanish is not required. The positions come with an internationally competitive stipend. ### **How to apply?** Applicants interested in the position should submit their application at https://careers.software.imdea.org/ using reference code **2025\-10\-intern\-distributed**. Deadline for applications is **December 1st, 2025**. Review of applications will begin immediately. The recruitment process will comply with the IMDEA Software Institute’s OTM\-R Policy (Open, Transparent and Merit\-based Recruitment). For enquiries about the positions, please contact Alexey Gotsman.