API Design & Security Expert | Strategic Consulting & Implementation for Mid-Sized Companies

API Design & Security expert with 10+ years’ experience. I help mid-sized companies modernise legacy APIs, improve security, and scale reliably - across SaaS, e-commerce, FinTech, and public platforms.

• API-Entwickler
• Graphql
• HTML5
• JavaScript
• Projektmanagement (IT)
• Python
• Representational State Transfer (REST)
• Vue.Js
• Webdesign

With nearly a decade of hands-on experience, I specialise in designing, securing, and scaling APIs that power real-world business outcomes. From securing APIs serving 50M+ users to enabling enterprise deals through robust API strategies, I’ve helped organisations across e-commerce, SaaS, InsurTech, EdTech and public sector platforms transform their API ecosystems.

? Core competencies
API Design (REST & GraphQL) incl. OpenAPI & HATEOAS
DevSecOps & CI/CD integration
GDPR-compliant architecture & data handling
Developer experience optimisation

?️ Key activities
Modernising legacy APIs for mid-market companies
Designing scalable API-first architectures
Integrating security best practices early in the lifecycle
Conducting API audits & developer enablement workshops
Building internal tools and post-sales platforms based on secure APIs

? Industries served
B2B SaaS
FinTech / InsurTech
ERP & e-commerce (Odoo, Magento, etc.)
Public education and open source (state-wide platforms)
DTC consumer platforms (desktop + mobile)