RAILium is a joint venture between Boom Software AG and the Rhomberg Sersa Rail Group, combining over 30 years of software development expertise with hands-on experience in railway construction. Together, we've created an innovative management tool tailored to the real-world needs of track construction professionals. Our integrated software solution merges maintaining and dis-patching of track construction machines into one platform, delivering maximum transparency and efficiency through digitalisation and automation. Join us in shaping the future of digital green mobility as: Software Engineer (m/f/d) - RAILium Vienna, Austria / Full-time / Flexible working hours / Hybrid work model Software Engineer (m/f/d) - RAILium Vienna, Austria / Full-time / Flexible working hours / Hybrid work model Your Mission: As a Software Engineer at RAILium, you'll be part of a forward-thinking team driving the digital transformation of railway construc-tion. You'll work on scalable, high-impact solutions that shape the future of mobility and infrastructure. What You'll Do: * Collaborate with a skilled project team to deliver customer-centric software solutions * Independently design and implement robust, scalable applications that meet system and client requirements * Maintain, support and evolve our tech stack, including applications, APIs, and databases * Tech Stack: C#, MS SQL, REST API, HTML, CSS, JavaScript, TypeScript What You Bring: * Solid background in .NET, C#, XML, and SQL * Ideally 4 years of professional experience * Fluent in German and/or English * Curiosity for emerging technologies and digital innovation * Strong team spirit and a proactive, solution-oriented mindset * Independence and initiative in shaping products and custo-mer solutions Why Join Us: * Work at the intersection ofIndustry 4.0andGreen Mobility * Collaborate with international clients and partners across the railway sector * Development using modern technologies * Flexible working hours within a flexitime model and personal-ized home office options after onboarding * Continuous learning through targeted training and develop-ment * Career opportunities in a dynamic, professional team with a startup spirit, flat hierarchies and flexible structures for your ideas If you're interested in this position, we look forward to receiving your application via apply smart. Read more about us atwww.railium.com About this job Employment type: Full Time (Permanent employment) Seniority level: Professional Experience Work model: Hybrid Place of work: Wien Field of work: IT, Data Processing Unfilled vacancies: 1 vacancy unfilled for this position About the company Employer: RAILium Machine Management powered by RSRG & BOOM GmbH Number of employees: 1 - 10 employees Locations: Wien Details about this job Full Time (Permanent employment) * Monday to Friday * 38,5 hours Place of work * Wien Must-have skills * .NET * C# * XML * SQL Required languages * German B2 * English B2 Benefits * Flexible working hours * Home office * Education and training