Freelancer profile translated to English.
Back to original languageAbout Colin
Are you looking for a fullstack developer who reliably implements both backend and web and mobile frontends?
I develop scalable backends withSpring Bootand connect them with modern frontends inReact, Angular(Web) andReact Native(Mobile Apps) – all from a single source.
How I can specifically support you:
Development of robustREST APIs and Microservices
Implementation of performant web applications with React
Development of cross-platform mobile apps with React Native
Connection of databases (PostgreSQL, MySQL, MongoDB)
Modern interfaces with OpenAPI
What sets me apart:
Full project execution: fromplanningthroughdevelopmentto delivery
Clear communication and binding agreements
Technical focus on stability, maintainability, and scalability
Typical projects:
Backend & Mobile App for Startups
Web interfaces for internal tools
API development and integration of external services
Goal: Clear solutions for real problems – without detours.
German
Native or bilingual
English
Fluent
Can work on-site
Düsseldorf (up to 50km)
Experience
- ARAGSoftware DeveloperJanuary 2025 - Today (1 year and 5 months)My task is to create microservices and UIs. I use Spring Boot, Java, OpenAPI, Angular, and more!
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