* 04 mars 2026 * 100% * Durée indéterminée * Possible * 1 chemin du Curé Desclouds, 1226 Thônex Ärztekasse Genossenschaft provides business process outsourcing and eHealth solutions to health professionals so they get relief from administration and can focus on medical work. In the context of an innovation initiative, Ärztekasse is renewing and extending their prod-ucts. To support this digitalization step, we are looking for smart and experienced engi-neers to contribute and shape clever and creative solutions for a meaningful industry. Backend .Net Software Engineer (m/w) 100% Main Tasks * Design and implementation of applications and services * Collaboration with requirements engineers and business analysts to detail and clarify understanding and requirements * Support of testing team in regards of functional and non-functional tests of the imple-mented applications * Participation in definition and design of solution architectures * Documentation of code and design * Implementation of proofs of concept to validate and show solution architectures * Participation in the definition of technology and tool stacks to be used for new solutions Requirements * Bachelor degree or higher in Computer Science, Computer Engineering or the equivalent in experience * At least 5 years of experience in software development * Strong backend development experience with server-side development (WebAPI, multi-threaded systems) with .NET (C\\, Entity Framework, Dependency Injection) * Experience with SQL (Postgre, SQL Server, Sybase) * Experience with Unit Testing * Knowledge of architecture and development patterns (e.g. Microservices, CQRS, Domain Driven Design, SOLID) * Knowledge of authentication/authorization services (SAML, OpenID, OAuth) and integration is a plus * Knowledge of containerization (Kubernetes) * Experience with VB language is a plus * Knowledge of Agile methodologies * Collaborative with excellent communication skills * Self-driven and self-organized * English is required: B2 or higher * French is required: C1 or higher * German is a plus What we offer 40h/per week - 1 day home office option - Highly innovative and international working environment - Free parking - Language trainings Further information A stimulating environment helps to find cool solutions to challenging complex requirements. We work in small agile teams where you can have impact and influence. You will find sharp engineers to have inspiring discussions with. We are solution-driven, but we don-t neglect the fun factor. Are you interested in our offer? Please apply only via the jobup website, for the attention of Véronique Yvrait. Thank you.