Christian Holzer – Freelance Senior Software Architect & Principal Engineer

About

I design and build scalable e-commerce platforms, order management systems and API-based architectures for large enterprises: from selecting the right systems and defining the architecture to implementing, rolling out and coaching the teams.

20+ yearsin software architecture and engineering
Hands-onan architect who designs and builds
Globalrollouts across 50+ countries and 16 brands

Focus

E-commerce & order management

Headless commerce, distributed order management, marketplaces.

API-based architectures

MACH, microservices, GraphQL, REST/OpenAPI.

Enterprise integration

Complex systems and their integration

Cloud & delivery

AWS, GCP, Kubernetes, DevOps, performance.

Leadership & coaching

Technical project leadership, agile methods, team coaching.

Technologies

TypeScript
Kotlin
Java
Node.js
Spring Boot
Next.js
GraphQL
REST
OpenAPI
OAuth 2
Kafka
Kubernetes
Docker
AWS
GCP
PostgreSQL
MongoDB
Redis
Oracle
Commercetools
Fluent Commerce
Contentful
Contentstack
Prismic

Contact

Have a project in mind? Write me a few lines about it.

info@holzerc.net LinkedIn