Adrian Radu

Background

About Adrian Radu

As a graduate of Automatics Control and Computer Technologies at the Polytechnic University of Bucharest, I have built a career of more than 20 years in IT, including 17+ years of hands-on Java development. I specialize in the design, development, and integration of complex backend and enterprise applications that demand reliability, scalability, and performance. Over the years, I have successfully delivered projects across Europe and North America, working with international customers and multicultural teams. I bring strong expertise in modern technologies, including databases, cloud applications, virtualization, and distributed system design, as well as proven experience in backend systems, web services, messaging, and real-time applications. My focus is on creating clean, maintainable code and scalable architectures, while also driving projects through all phases of the lifecycle: from concept and PoC, to delivery, testing, deployment, and long-term support. What I Do • Develop and integrate mission-critical applications (billing, charging gateways, call control, CRM, customer management) • Design and implement scalable architectures for Java-based enterprise applications • Build solutions leveraging PostgreSQL, Oracle, Redis, Kafka, Spring Boot, Hibernate, REST services • Deliver high-availability systems on virtualized and cloud-native environments (VMware, Kubernetes) • Collaborate with international teams and stakeholders to align technical delivery with business goals Key Strengths • 20+ years of IT experience, 17+ years in Java backend development • Expertise in databases, cloud, virtualization, distributed systems • Strong background in system design and architecture for mission-critical platforms • Broad international project experience (Europe & North America) • End-to-end lifecycle experience: from PoC to production and long-term support • Excellent communication skills, adaptable, results-oriented