DANIEL KIRCHNERSoftware Architect · Cloud & DevOps · AI

Projects

Selected references – anonymized with focus on tech stack and impact.

AI Chatbot for Knowledge Platform

AI chatbot with RAG pipeline – automatically answers user queries based on 500+ video/PDF knowledge items, including MCP server integration.

PythonLangChainOpenAIMilvusFastAPIMCP

Cloud Migration Government Application

Nationwide government application migrated from legacy J2EE to modern Kubernetes platform – deployment time reduced from hours to minutes.

KubernetesQuarkusJavaTerraformIstio

Public Transit Kubernetes Platform

Complete platform migration from Docker Swarm to managed K8s including automated rollouts for 20+ customer instances.

KubernetesTerraformHELMGitLab CI/CD

Data Platform ML & Events

Cloud-based platform with elastic scaling for ML workloads, real-time event processing and centralized reporting.

KotlinSpringKafkaTimescaleDBKubernetes

Pandemic Digitalization

Holistic platform for pandemic response including mobile app, AI diagnostics and integration with health system interfaces (Demis, Sormas, CWA).

Node.jsReact NativeAzurePython