Radu Ciumag is an Enterprise Architect with over 15 years of JVM and Java experience, currently shaping domain models and public APIs at AdsWizz. He progressed from hands-on Java development to leading teams and now guiding architecture, performance and reliability for core services in advertising and finance domains. Comfortable both as an individual contributor and manager of teams of 4–11 engineers, he blends analytical rigor with creativity to produce simple, high-performance solutions. He routinely bridges product and engineering, presenting coherent architectures to stakeholders while preparing teams for scalable evolution. Based in Romania, Radu’s pragmatic focus on new technologies, observability and API health complements deep experience with Spring, reactive frameworks, AWS and streaming platforms.
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