Freelancer profile translated to English.
Back to original languageAbout Roman
I am an experienced Fullstack Developer from Germany with a focus on Next.js, TailwindCSS, and digital accessibility. Since 2020, I have been developing scalable web solutions that are not only technically convincing but also accessible to everyone.
What I can do for you:
- Development of modern, performant web applications with React/Next.js
- Custom solutions with TailwindCSS for appealing UI/UX
- Digital accessibility according to WCAG 2.1 AA & BFSG for inclusive design
- API development & backend architecture with Node.js or Spring Boot
- Database management and access using Next.js, Node.js, or Spring Boot
- CMS integration with headless systems like Contentful
- Deployment & infrastructure via Vercel, Azure, and CI/CD workflows
- Optimization for SEO, performance, and usability
I help companies improve their digital presence, whether through a new website, a web app, or the optimization of existing systems. My standard: Clean code, well-thought-out architecture, and smooth collaboration.
I look forward to your message!
German
Native or bilingual
English
Fluent
Can work on-site
Willich (up to 50km)
Experience
- Knauf Digital GmbHFullstack DeveloperDIGITAL AND ITJune 2025 - Today (1 year and 1 month)München, Germany
- Migration of GraphQL, REST APIs including OpenAPI specs with
comprehensive test coverage (Spring, NestJS)- Performance optimization of PostgreSQL queries
- Further development of admin and account frontends with complex authorization and invite logic
- Optimization and expansion of authentication (next-auth v5)
- State management, UI optimization, and dependency migration
- End-to-end testing support (Playwright)
- Webshop new development, from concept to productive rollout (checkout flow, shopping cart, pricing integration)
- Sparkassen DirektVersicherung AG (Provinzial AG)Agile Software DeveloperBANKING AND INSURANCESeptember 2023 - March 2025 (1 year and 6 months)Düsseldorf, Germany
- Responsive web design
- Refactoring and modernization of React applications, both technically and in terms of design (UX)
- OS-independent app development with Capacitor
- Optimization of time-controlled jobs
- Bug fixing and further development of Java microservices
- Accessible web development (up to level AA)
- Ceyoniq Technology GmbH (A KYOCERA Group Company)Fullstack DeveloperSOFTWARE PUBLISHINGJuly 2023 - August 2023 (1 month)Bielefeld, Germany
- Bug fixes for a Java-based ECM system
- Improvement and optimization of existing solutions
- Careful analysis and quick familiarization with new tasks
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Education
- Computer Science Studies, BachelorHeinrich Heine University Düsseldorf2020Informatik-Studium, Bachelor
- AbiturFichte-Gymnasium Krefeld2017Abitur