Novancy is seeking a highly skilled Full‑Stack Developer to design, build, and maintain a cutting‑edge infrastructure management platform. The role blends front‑end expertise in React and WebSocket/SSE with back‑end proficiency in Node.js, Express/Fastify, and REST APIs. You will architect complex data visualizations, manage databases, job queues, and implement robust monitoring with Prometheus, Grafana, and ELK. On the infrastructure side, you will script in Bash and Python, orchestrate with Ansible, and configure Linux (Debian), Docker, systemd, and networking components. The position demands a deep understanding of distributed systems, virtualization (KVM, VMware, Proxmox), VPN technologies (WireGuard), and a commitment to data sovereignty. This freelance opportunity is ideal for a senior engineer with 3‑5 years of experience in DevOps and infrastructure automation.