Senior Full-Stack Developer

To strengthen its global IT team, our partner is seeking a committed and passionate full-time (40 hours/week) senior full-stack developer to support the development and maintenance of both existing and new software systems.Company profile: independent, not-for-profit international organization based in Lausanne, Switzerland, is dedicated to delivering high-quality anti-doping services to International Federations, Major Event Organizers, and Anti-Doping Organizations. The organization ensures transparent and independent implementation of anti-doping programs, fully aligned with the World Anti-Doping Code.Full-Stack Development with React, React Native, TypeScript, and .NET CoreDeveloping a new internal executive platform (for sports organization administration)Technical mentoring, architectural feedback, process definitionBecoming the technical pillar of an international development team🛠️ Tech StackBackend: .NET CoreFrontend: React, React Native, TypeScript (basic familiarity is an advantage; solid hands-on experience is highly valued)Cloud: Microsoft AzureTesting: Automated, integration-level testing processes – no dedicated QA/DevOps team✅ RequirementsMinimum 5 years of software development experience, with at least 2–3 years in a full-stack roleHigh-level expertise in NET CoreBasic familiarity with React, React Native and TypeScript is an advantage; strong practical experience is highly valuedBasic cloud experience with AzureIndependent thinking, system design mindset, ability to provide technical mentoringStrong problem-solving skills – ability to understand ad hoc systems and interpret processesC1-level English proficiency (written and spoken)Nonprofit experience is not required but considered a plus🏢 Work SetupHybrid: 2 days/week home office, 3 days in-office (Budapest)Occasional travel to Switzerland based on schedule (e.g., onboarding, year-end events)💰 Salary & BenefitsGross: 1.300.000 - 1.800.000 HUF/month