Razvan Zanc
Technical Lead at Software Development Academy
Based in Cluj, Romania
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Seniority
Manager
Department
Information Technology
Location
Cluj
Industry
Professional Training and Coaching
Company size
455
Contact information
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r•••••••@sdacademy.pl
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Background
About Razvan Zanc
I’m a Java Development Lead and Cloud Architect with a strong focus on high-performance and secure backend systems. Over the past years, I’ve led teams and projects building mission-critical microservices in healthcare and enterprise environments, where performance, scalability, and security aren’t optional — they’re the baseline. My expertise includes- Java, Quarkus & Spring – building high-performance microservices that scale- Concurrency & Performance – virtual threads, CompletableFuture, and advanced synchronization- PostgreSQL – designing and tuning high-volume systems with 50M+ row tables, custom functions, job queues, and replication- Security – end-to-end TLS/MTLS, Hardware Security Module integration, cryptography, and OCSP validation in distributed environments- Cloud & Distributed Systems – delivering resilient, automated, and observable platforms at scale. As a hands-on engineer and development lead, I thrive on debugging production incidents, solving performance bottlenecks, and building software used by millions of users. My passion is making systems fast, reliable, and secure, while keeping codebases maintainable for the teams who build them.
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