Frontend & Frameworks
- Vue 3 / Vue 2
- Nuxt.js 3 / Nuxt.js 2
- React
- Next.js
- TypeScript
- JavaScript
- Tailwind CSS
Expertise
Expertise grounded in real project work
The expertise of solleo IT GmbH is based on long-standing experience in complex web projects, enterprise environments and demanding platform architectures. Skills and experience are maintained through structured profiles and can be evaluated by competency area.
Data-based competency clusters
Skill clusters from the competency model
Frontend
- Vue.js
- Tailwind CSS
- Nuxt.js
- TypeScript
- JavaScript
- React
Performance
- Web performance
- PageSpeed optimization
- Performance monitoring
- Rendering optimization
- SpeedCurve
Technical SEO
- Technical SEO
- Core Web Vitals
- Structured Data
- Crawling and indexing
- URL structure
- Canonicals
UX & Accessibility
Design Systems
- Accessibility
- Atomic Design
- Figma
- Living styleguides
- Responsive design
- Component-based UI systems
Skill matrix
Prioritized competency areas
Performance & Quality
- Core Web Vitals
- PageSpeed optimization
- Rendering strategies
- Performance monitoring
- Sentry
- SonarQube
- SpeedCurve
- Testing with Vitest, Jest, Playwright, TestCafe
Technical SEO
- Crawling
- Indexing
- URL architecture
- Structured data
- SEO-oriented frontend architecture
- Technical SEO audits
Design Systems & UX
- Atomic Design
- Storybook
- Figma
- Living styleguides
- Responsive design
- Accessibility
- UX-oriented component development
Engineering & Process
- Git / GitHub / GitLab
- CI/CD
- Docker
- Jira
- Confluence
- Scrum / Kanban
- Technical documentation
- Architecture decisions