• Languages: Go, Python, SQL, TypeScript/JavaScript, C#/.NET, Bash, Java, Kotlin, PHP, HTML/CSS
• Cloud & DevOps: AWS (Lambda, ECS, Fargate, S3), Kubernetes, Docker, Terraform, GitHub Actions, Linux, CI/CD, observability (Grafana, Loki, Promtail)
• Data & Analytics: ETL/ELT, PostgreSQL/PostGIS, TimescaleDB (time-series, pgvector), ClickHouse (OLAP), DuckDB (Parquet, Hive-style partitioning), dbt, Apache Kafka, Elasticsearch, Redis, Qdrant, Oracle, MySQL, MongoDB
• Backend & Architecture: Microservices, event-driven systems, REST/API services, legacy modernization, performance tuning
• Virtualisierung: KVM, QEMU(inc. docker), VirtualBox, VM Ware. Hardware / Netzwerk setup.
• AI & Automation: Agents-Review, RAG, vLLM, Ollama, OpenAPI, MCP, OCR, n8n, GDPR-aware handling of data
• Web (select): Vue.js, React, Node.js — WebGIS and internal tooling where relevant
• Networking: TCP/UDP, HTTP, WebSocket, SSH, VPN (OpenVPN, WireGuard), routing, HA clusters

Website: https://eslider.github.io/