29.10.2026 aktualisiert
Premiumkunde
100 % verfügbarWeb Developer | UI/UX Designer | Project Management | Digital Marketing & Cybersecurity
Mannheim, Deutschland
Deutschland
Master of Business Administration | Bachelor of Computer ScienceÜber mich
I help teams launch web and mobile apps that just work. I specialize in QA testing, frontend development and agile project management. From test cases to release planning, I catch issues early and keep your product reliable. Let’s build something great together.
Skills
Digital MarketingWeb EntwicklungUi-DesignMarketing
Software Testing & QA:
Manual Testing, Functional Testing, Regression Testing, UI Testing, Mobile App Testing (iOS, Android), Cross-Browser Testing, End-to-End Testing, Payment Testing (Stripe), Localization Testing, Test Case Design, Bug Tracking & Reporting, Test Documentation
Frontend Development:
JavaScript (ES6+), TypeScript, Vue.js, HTML5, CSS3, Bootstrap, Responsive & Mobile-First Design, UI/UX Optimization
Project Management:
Agile / Scrum, Sprint & Release Planning, User Stories & Acceptance Criteria, Backlog Management, Stakeholder Communication, Jira
Tools:
Git, GitHub, Atlassian Jira, Slack, Microsoft Teams, Browser Developer Tools
Digital Marketing:
SEO, Google Ads, Meta Ads, Content Strategy, Marketing Analytics
Erfahrung
Berufserfahrung0 - 5 Jahre
Freelancer seit2024
Sprachen
EnglischverhandlungssicherNiederländischGrundkenntnisse
Projekthistorie
Led quality assurance and project management for ArrowFight (arrowfight.sport), a multilingual
archery platform with native iOS and Android apps, a web app for archers and the Club Cockpit web
portal for clubs, associations and federations. The platform covers training planning and shot
tracking, one-on-one battles with a worldwide ranking, tournament management with online entry-
fee payments, offline tournament operation and Apple Watch arrow counting.
- Designed and developed a responsive website using HTML, CSS, Bootstrap, and JavaScript.
- Created an intuitive UI/UX to improve accessibility and user engagement.
- Developed an appointment scheduling feature to streamline client bookings.
- Ensured mobile compatibility for a seamless experience across different devices.
- Optimized website performance to improve loading speed and user interaction.
- Implemented cross-browser compatibility to ensure consistency across various browsers.
- Structured and displayed service information clearly for better client understanding.
- Collaborated with team members to debug and troubleshoot front-end issues.
- Designed and developed a responsive user interface using HTML, CSS, and Bootstrap.
- Enhanced UI/UX by optimizing layout, navigation, and interactive elements for an intuitive shopping experience.
- Implemented JavaScript to enable dynamic content updates and improve user interaction.
- Developed and refined the product display, shopping cart, and checkout pages for seamless e-commerce functionality.
- Ensured cross-browser compatibility to maintain a consistent user experience across different web browsers.
- Optimized website performance for faster loading times and better user engagement.
- Integrated online payment functionality to facilitate secure transactions.
- Collaborated with team members to troubleshoot and resolve front-end bugs and issues.