David Schöninger | Freelancer

Full-Stack Software Engineering

Get the delivery speed of AI agents with the stability of human-audited code. I leverage AI workflows under my strict governance as a senior engineer who owns every line of complexity. The results are robust systems that are easy to maintain, extend, and debug.

Backend Engineering

Backend Engineering

10+ years of experience with security-focused applications like Identity Providers and banking applications.

  • Preferred Framework: Spring Boot
  • Spring Security Expert
  • Spring Authorization Server Expert
  • Secure API Design & Database Optimization
Frontend & Mobile

Frontend & Mobile

Specialized in enterprise-grade Angular development and cross-platform mobile solutions using Ionic Framework.

  • Preferred Framework: Angular
  • Progressive Web Apps (PWAs)
  • Mobile Apps with Ionic (Angular)
  • Angular Material, Tailwind, Clarity
DevOps & Infrastructure

DevOps & Infrastructure

'You build it, you run it' mentality to bridge development and operations, ensuring seamless deployment and maintenance of applications.

  • Kubernetes & Helm Expertise
  • CI/CD Pipelines
  • Centralized Logging & Metrics
  • Infrastructure as Code (IaC)

Portfolio.

Featured partners and clients from my professional journey as a freelancer.

Porsche Informatik GmbHsproof GmbHHello bank!hobex AG

Coming soon: Showcases of selected projects.