Resource-constrained project scheduling belongs to classical scheduling problems. Resources may have various characteristics, such as the different skills which may be required by activities. The thesis concentrates on multi-skilled resource-constrained project scheduling, and its goal is to propose and implement a solution approach based on a well-known metaheuristic, bee colony optimization. The initial part of the thesis includes the study of relevant literature both in terms of bee colony optimization and project scheduling. The proposed approach will be experimentally verified on existing benchmarks from the literature.