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Skill matrixde
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Skill matrix

Every technology, honestly rated

Based on two self-assessment matrices for software engineering and IT infrastructure. Only entries with a rating are listed.

+
Understands the fundamentals; needs support from others.
++
Good skills, works independently; support needed for hard problems. At least 2 years of practice.
+++
At least 3 years of practical experience.
++++
At least 5 years of practical experience.
Area
At least

159 entries

Programming languages15

  • Java
  • Python
  • TypeScript
  • JavaScript
  • SQL
  • HTML
  • CSS
  • XML
  • Kotlin
  • Go
  • C#
  • C
  • C++
  • PHP
  • SCSS (Sass)

Backend & frameworks15

  • Spring Boot
  • Spring
  • Hibernate
  • Vaadin
  • Java SE
  • Flask
  • FastAPI
  • Node.js
  • Django
  • Thymeleaf
  • .NET / .NET Core
  • ASP.NET Core
  • Entity Framework (Core)
  • Blazor
  • WinForms

Web frontend8

  • React
  • Tailwind CSS
  • Bootstrap
  • Next.js
  • Angular
  • Vue.js
  • React Native
  • jQuery

Databases9

  • PostgreSQL
  • MySQL
  • MariaDB
  • MongoDB
  • Redis
  • SQLite
  • Microsoft SQL Server
  • Liquibase
  • Oracle Database

APIs & data formats4

  • REST
  • JSON
  • WebSocket
  • Microsoft Azure (APIs)

AI & automation2

  • Multi-agent architecture / MCP tool calling
  • RPA / Low-Code

Product & project10

  • Requirements Engineering
  • Software architecture & design
  • Implementation
  • Technical project lead
  • Product Ownership
  • Scrum
  • Kanban
  • Test management
  • Confluence
  • Jira

Testing & code quality7

  • JUnit
  • Selenium
  • Unit Testing
  • JSLint
  • CppUnit
  • cppcheck
  • lint

IDEs & build tools20

  • Git
  • IntelliJ IDEA
  • PyCharm
  • Visual Studio Code
  • Javadoc
  • Maven
  • WebStorm
  • PhpStorm
  • Jupyter
  • Eclipse
  • Android Studio
  • GCC
  • clang
  • Ant
  • CMake
  • Visual Studio
  • NetBeans
  • Qt Creator
  • SQL Server Management Studio
  • Unity

Data science6

  • NumPy
  • Matplotlib
  • Pandas
  • scikit-learn
  • TensorFlow
  • PyTorch

CMS & business apps3

  • WordPress
  • Shopify
  • Pisa Sales CRM (Customizing)

DevOps & containers12

  • Docker
  • GitLab CI/CD
  • Jenkins
  • Azure DevOps
  • OpenShift
  • Ansible
  • Prometheus / Grafana
  • Kubernetes
  • Podman (Red Hat DO188)
  • Terraform
  • Vagrant
  • Splunk

Cloud4

  • Microsoft Azure
  • Amazon Web Services
  • Red Hat
  • Google Cloud

Server operating systems9

  • Debian
  • Ubuntu Server
  • CentOS
  • Red Hat Enterprise Linux
  • Windows Server 2022
  • Windows Server 2019
  • Windows Server Core
  • openSUSE / SUSE Enterprise
  • Embedded Linux

Virtualization6

  • Proxmox
  • KVM
  • VMware
  • Hyper-V
  • Oracle VirtualBox
  • Parallels Desktop

Scripting6

  • Bash
  • PowerShell
  • cmd.exe
  • Lua
  • VBScript
  • AutoHotkey

Network, VPN & security7

  • WireGuard
  • OpenVPN
  • Mobile SSL VPN (WatchGuard)
  • GlobalSign (PKI)
  • Fortinet VPN
  • Ubiquiti Dream Machine
  • Broadcom (Routing/Switching)

Collaboration & Microsoft 3658

  • Microsoft Teams
  • Microsoft 365 (consulting)
  • Google Workspace
  • Slack
  • Zoom
  • Microsoft Intune
  • Exchange Online
  • Terminal services

Client & mobile5

  • macOS
  • Android
  • iOS
  • Windows 10 / 11
  • Linux Desktop (Debian, Ubuntu)

Storage & backup3

  • Synology NAS
  • TrueNAS
  • Microsoft Azure Backup