Skills:Must-have: Practical experience in developing plugins for QGIS with Python (PyQGIS/PyQt) - Senior (> 5 years of experience)Must-have: Experience in software projects for railway undertakings - Intermediate (> 3 years of experience)Must-have: Practical experience in implementing railway-specific solutions using QGIS - Intermediate (> 3 years of experience)Must-have: In-depth knowledge of QGIS software and its practical application - 5 referencesMust-have: Experience in teaching QGIS - 1 referenceExperience in conducting QGIS workshops - 1 referencePractical experience with PostgreSQL/PostGIS databases - Intermediate (> 3 years of experience)