Hi, my name is
Stefano Lucka.
I build software applications.
I am a Principal Software Engineer specializing in building backend applications in the Cloud. Currently, I am focused on building Spring Boot microservice applications in Google Cloud as a Freelancer.
About Me
Moin! My name is Stefano and I am a Senior Software Engineer, Architect and (Google Cloud) Platform Engineer. Having more than 12 years of professional experience in software development, I have worked on a variety of projects ranging from large enterprise systems to microservice web applications.
My main focus these days is Freelance Software Engineering for backend applications, however a couple of times I have also digged into the frontend world, coding a couple of Vue3.js + Vuetify components.
Here are a few technologies I’ve been working with recently:
- Java
- Kotlin
- Spring
- MongoDB
- PostgreSQL
- Google Cloud Platform

What I can do
12+ years of professional experience.
- Delivered scalable microservices leveraging Spring Boot, Java and Kotlin, with a focus on high traffic and performance considerations.
- Ability to deep-dive into complex systems and troubleshoot complex issues quickly and effectively
- Expertise in refactoring distributed monoliths into a modular, lightweight deployment solutions
- Specialized in API-first design, including REST, GraphQL, and OpenAPI standards, ensuring seamless integration and maintainability.
- Expertise in data modeling and backend design using MongoDB and PostgreSQL using Domain-Driven-Design standards
- Advocated and implemented clean code principles (SOLID, KISS, Hexagonal Architecture) to ensure maintainability and team scalability
- Comprehensive experience with testing frameworks such as JUnit, Mockito, and Pact for high-quality software delivery.
What’s Next?
Get In Touch
For my complete exposé, including all projects and my full skill set, please feel free to get in touch. You will receive a response within a maximum of 24h.
freelance@stefano-lucka.de