Senior Software Engineer – Fullstack with Backend Focus (m/f/d)

Senior Software Engineer – Fullstack with Backend Focus (m/f/d) Employment level: 100%, hybrid working model We are looking for a Senior Software Engineer with strong backend expertise and solid fullstack experience to join AlpineAI. In this role, you will build customer integrations and further develop our secure AI platform so that it scales reliably for future customer needs in regulated environments. You will work as part of a small, focused engineering team and take ownership across the full software development lifecycle: from technical design and architecture decisions to implementation, testing, reviews, deployment, and ongoing improvement. The role is fullstack, with a stronger emphasis on backend engineering. Key Responsibilities Customer Integrations Design, implement, and maintain customer-specific integrations with AlpineAI’s platform and product ecosystem. Translate customer requirements into robust technical solutions, APIs, workflows, and backend services. Work closely with product, AI, infrastructure, and customer-facing teams to move integrations from prototype to production. Ensure integrations are secure, maintainable, well-documented, and aligned with customer-specific compliance requirements. Build and improve backend services, APIs, data flows, and application logic so the platform scales for future use cases, customers, and operational requirements. Contribute to AlpineAI’s microservices architecture, keeping services intentionally small and focused, and design service boundaries, data contracts, and integration patterns that support long-term maintainability. Contribute to frontend features where needed, particularly in React and Vite-based applications. Support deployment, monitoring, and operation of SaaS services in production, and improve system reliability, observability, testability, and developer experience across the stack. Engineering Quality, Ownership Swiss German is an advantage. Clear communication, strong collaboration skills, and willingness to engage in technical sparring and code reviews. Comfortable working in a small, fast-moving startup team with high ownership and a hands-on mindset. What We Are Offering Opportunity to participate in AlpineAI’s company shares program after the initiation period. Dynamic, innovation-driven culture with high autonomy and real product impact. Work on secure AI applications for critical Swiss sectors such as healthcare, public authorities, and higher education. Close collaboration with experts in software engineering, infrastructure, speech, NLP, and applied AI. Exposure to cutting-edge AI technologies while solving real customer problems. Hybrid role based in Zurich or Davos, with an 80–100% workload. Don’t Apply If You are not willing to work in a hybrid setup connected to Zurich or Davos. You do not have work permission for Switzerland. You are looking for a narrow frontend-only or backend-only role and do not want to work across the stack when needed. You are uncomfortable with startup environments, ambiguity, fast iteration, and high ownership. About Us Learn more about AlpineAI at: https://alpineai.swiss Ready to help customers succeed with secure AI? Apply now with your CV and a short cover letter. We look forward to hearing from you. #J-18808-Ljbffr