
Backend & Infrastructure Engineering
Designing scalable backend services, APIs and cloud infrastructure for teams building complex software systems.
Available for freelance and contracting work.
Services
Engineering support for backend systems, infrastructure and distributed platforms.
Backend Architecture
Design and implementation of scalable backend services and APIs.
Experience building distributed backend systems with Go and Node.js.
Infrastructure Engineering
Cloud infrastructure, containerized systems and Kubernetes-based deployments.
Designing reliable infrastructure for development and production environments.
System Reliability
Analysis and stabilization of backend systems under load.
Identifying bottlenecks, improving performance and system stability.
Technical Advisory
Architecture and infrastructure guidance for engineering teams.
Supporting teams in designing scalable and maintainable systems.
Selected Work
Selected engineering work and developer tooling projects.
API Testing Platform
Developer tooling platform for functional and load testing of REST APIs.
- •Distributed test execution engine
- •Scalable backend architecture
- •Kubernetes deployment via Helm
- •Designed for CI testing workflows
API Regression Gate
Standalone tool for detecting behavioural regressions in REST APIs.
- •Automated API response comparison
- •Behavioural diff detection
- •Designed for CI pipelines
- •Derived from internal testing infrastructure
About
Syncorenize is the independent engineering practice of Thomas Zielasny, focused on backend architecture, distributed systems and infrastructure engineering.
I work with teams building complex software systems, supporting the design and implementation of scalable backend services, APIs and cloud infrastructure.
Thomas holds a degree in Electrical Engineering and Information Technology and was awarded the Friedrich-Dessauer Prize by the VDE. He has also contributed technical articles to ITG News.
Contact
If you're looking for support with backend systems, infrastructure or distributed architectures, feel free to reach out.

Syncorenize is an independent engineering practice focused on backend architecture, distributed systems and infrastructure engineering.
© 2026 Syncorenize GmbH. All rights reserved.
Contact

Syncorenize is an independent engineering practice focused on backend architecture, distributed systems and infrastructure engineering.
© 2026 Syncorenize GmbH. All rights reserved.