React, React Native & Node.js Freelancer for production-ready web and mobile apps

• React / Next.js Web Apps

  Dashboards, admin tools, SaaS interfaces and performant web applications with React, Next.js and TypeScript.

  • ·Dashboards and admin tools
  • ·SaaS interfaces
  • ·Performant web applications

  • React
  • Next.js
  • TypeScript
  • JavaScript

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• React Native Mobile Apps

  Mobile apps for iOS and Android with API integration, push notifications and production-ready backend integration.

  • ·iOS and Android apps
  • ·API integration and push notifications
  • ·Backend integration

  • React Native
  • TypeScript
  • iOS
  • Swift

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• Node.js / NestJS Backends

  Scalable APIs, authentication, role models, database logic and integrations with Node.js, NestJS, REST and GraphQL.

  • ·REST and GraphQL APIs
  • ·Authentication and role models
  • ·Database logic and integrations

  • Node.js
  • NestJS
  • REST API
  • GraphQL

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• Full Stack Product Development

  End-to-end development of frontend, mobile app, backend, database and infrastructure.

  • React
  • React Native
  • Node.js

• Refactoring & Maintenance

  Analysis, stabilization and further development of existing web, mobile and backend applications.

  • React
  • React Native
  • Node.js

Featured Case Studies

• WeCare Services GmbH

  Web and Mobile Platform for COVID Testing

  • 5M+ tests processed
  • 2M+ users
  • 60+ test stations
  • CTO / Technical Lead

  Industry

  Healthcare

  Role

  CTO / Technical Lead

  Goal

  Technische Verantwortung für eine Plattform zur Verwaltung von Coronatests mit unterschiedlichen Rollen für Rezeption, Labor, Admin, Superadmin und B2B-Kunden. …

  Contribution

  Technical leadership for a production platform managing COVID tests with roles for reception, lab, admin, superadmin and B2B customers.

  Technologies

  • TypeScript
  • React.js
  • NestJS
  • Hapi.js
  • MongoDB
  • AWS

  
• Prime Video & Amazon Studios

  Anonymous Feedback System for Film Productions

  • Streaming / Film production
  • Anonymous feedback
  • React + NestJS + AWS

  Industry

  Streaming / Film Production

  Role

  Full Stack Developer

  Goal

  Entwicklung einer Plattform, über die Schauspieler:innen und Produktionsteilnehmer:innen anonymisiertes Feedback geben können. Ziel war die frühzeitige Erkennun…

  Contribution

  Development of a platform for anonymized feedback in film productions to improve working atmosphere and production processes.

  Technologies

  • TypeScript
  • React.js
  • NestJS
  • MongoDB
  • AWS Elastic Beanstalk
  • AWS Cognito

  
• AESZ GmbH

  AI-powered HR-Tech Platform

  • Lead Full Stack Developer
  • AI / LLM APIs
  • SaaS platform

  Industry

  HR-Tech / Blue-Collar Recruiting & Onboarding

  Role

  Lead Full Stack Developer

  Goal

  Technische Konzeption, Architektur und Umsetzung einer SaaS-Plattform für KI-gestützte Recruiting-, Onboarding- und Mitarbeiterbindungsprozesse im Blue-Collar-B…

  Contribution

  Conception, architecture and implementation of a SaaS platform for AI-powered recruiting, onboarding and employee retention processes.

  Technologies

  • TypeScript
  • React
  • Next.js
  • Node.js
  • PostgreSQL
  • OpenAI / LLM APIs

  

More Projects

• React Native

  React Native Management Software

  Role:

  Full Stack Developer

  Industry:

  Cleaning Industry

  Completion and stabilization of management software for cleaning processes with web, mobile and infrastructure components.

  • TypeScript
  • React.js
  • React Native
  • Node.js
• Data visualization

  Social Media Analytics Platform

  Role:

  Full Stack Developer

  Industry:

  Influencer Marketing / Social Media Analytics

  Analytics platform for data-driven evaluation of TikTok content, reach and campaign performance.

  • TypeScript
  • React.js
  • NestJS
  • DynamoDB
• Digital health

  Digital Health App

  Role:

  Full Stack Developer

  Industry:

  Digital Health

  Development of a web and mobile application for capturing, analyzing and evaluating mental health data.

  • TypeScript
  • React.js
  • React Native
  • NestJS