Research Software Engineer EPFL, the Swiss Federal Institute of Technology in Lausanne, is one of the most dynamic university campuses in Europe and ranks among the top 20 universities worldwide. The EPFL employs more than 6,500 people supporting the three main missions of the institutions: education, research and innovation. The EPFL campus offers an exceptional working environment at the heart of a community of more than 18,500 people, including over 14,000 students and 4,000 researchers from more than 120 different countries. Mission You will be working on a research grant from Innosuisse on the topic of "Self-recovery of end-to-end encrypted vaults". This work entails helping develop cryptographic algorithms in collaboration with the C4DT team, a laboratory (Professor, PhD candidates, Research Software Engineers, semester students) writing software libraries and applications, and evaluating them through user tests. The duration of the grant is 2 years. Main duties and responsibilities Supporting research with experiments and evaluations Writing of libraries and documentation Managing parts of the project Participating in other C4DT related projects (open source services evaluation, server maintenance, workshops organization, ) Profile Higher education in computer science or equivalent Very good expertise in cryptography: elliptic curves, zero knowledge proofs, post quantum algorithms Interest in the topics of C4DT: digital trust in general, Open Source Software, digital sovereignty Excellent command of several programming languages (Golang, Rust, Typescript), test-driven development, automatic deployment Intelligent use of LLM tools as support for your work, not as replacement Willingness and enthusiasm to learn new technologies Fluency in English, both written and spoken. Working knowledge of French or German is welcome We offer A small, dynamic and friendly team (fresh bread most Mondays) A stimulating and engineering-focused working environment Integration in larger community of Research Software Engineers An opportunity to develop skills and experience in innovative knowledge transfer and exchange approaches, in a world-class and highly sought-after organization