Florian Klement · DevOps, Web & Mobile Engineer

Areas of work

Web & mobile apps

Building interfaces that run in the browser or on your phone, connected to solid backend services.

Deployment & automation

Setting up the systems that test and ship software automatically, so teams focus on building instead of releasing.

Data engineering

Designing pipelines that collect, clean and organise raw data into something teams can actually use.

Infrastructure & security

Running servers and networks, keeping traffic routed correctly and systems protected from the outside.

Skills & expertise

Web & Mobile Development

Full-stack applications from database to user interface, including cross-platform mobile development with React Native.

Technologies

Languages

TypeScript JavaScript Python Go SQL R Bash HTML5 / CSS3

Frontend & mobile

React React Native Vite Tailwind CSS TanStack Query Bun

Backend & API

Node.js Express NestJS Django Flask FastAPI SQLAlchemy Alembic Pydantic OpenAPI Prisma ORM SQLite PostgreSQL

Testing & quality

Playwright Vitest Testing Library pytest Hypothesis mutmut (mutation testing) mypy Ruff oxlint Prettier pip-audit SonarQube

DevOps & Infrastructure

Containers, orchestration and CI/CD pipelines that take code from a developer's machine into production reliably.

Technologies

Containers & orchestration

Docker Docker Compose Kubernetes K3s Helm Rancher

CI/CD & dependency management

GitLab CI GitHub Actions Jenkins Nexus Argo CD Renovate

Observability

Grafana Loki Mimir Tempo Prometheus Grafana Alloy OpenTelemetry Gatus Netdata Elasticsearch

Networking

Traefik Nginx Apache HTTP Server Apache Tomcat MetalLB AdGuard Home Cloudflare DNS

Storage & secrets

MinIO OpenBao (Vault) democratic-csi TrueNAS RAID / ZFS cert-manager

Servers

Linux (Debian, RHEL, Arch) Proxmox Incus (LXC) Python Bash scripting

Data Engineering & AI

Building pipelines that move and transform data, modelling databases, and applying machine learning to text and structured data.

Technologies

Databases & warehousing

SQLite PostgreSQL SQL Server T-SQL Redis Data Warehousing ETL / ELT Pipelines

Data analysis & BI

Pandas Polars NumPy Jupyter ggplot2 matplotlib / seaborn Plotly Leaflet Geocoding Power BI SSRS Tableau

Machine learning & NLP

PyTorch Scikit-learn gensim NLTK LDA Topic Modelling Named Entity Recognition

Infrastructure Security

Protecting services at every layer: network perimeter, runtime behaviour, secrets management and continuous security auditing.

Technologies

Threat detection & response

Wazuh (SIEM / HIDS) Falco Crowdsec Fail2ban ClamAV

Auditing & hardening

kube-bench Lynis Trivy SELinux Rootless Docker

Network perimeter

Unifi IDS/IPS WireGuard VPN ufw

Secrets & access

OpenBao (Vault) Vault Secrets Operator cert-manager LDAP LLDAP Authelia JWT / SAML

Selected projects

Endpaper

A self-hosted catalogue for the books you share, at home or in an archive. A React web client on a FastAPI backend, with a React Native app in development.

Open source, MIT licence

TypeScript React React Native Python FastAPI SQLite PostgreSQL

Private infrastructure

Architecture →

A four-node Kubernetes platform backed by TrueNAS, reproducible from code. GitOps delivery with Argo CD, a full observability stack and layered security feeding one SIEM.

K3s Argo CD Traefik OpenBao Wazuh Grafana

Gothic fiction pattern detection

Master's thesis applying distant reading to a corpus of gothic fiction: topic modelling, named entity recognition and network analysis to surface recurring patterns across the genre.

Python LDA NER Network analysis Jupyter

TrueNAS hardware control

Scripts and configuration for controlling the fans and status lights of a UGREEN DXP4800 Plus running TrueNAS SCALE, hardware the OS does not manage on its own.

Shell TrueNAS SCALE Hardware control

Get in touch

Whether it's a project, a question, or just a conversation, feel free to reach out.