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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.
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