Senior Java Backend Engineer

Marcos Tonina is a Senior Backend Engineer with 15+ years of experience, specialized in the Java ecosystem and high-scale systems. He has worked as a contractor for Apple (Ad Serving) and Eron International, focusing on performance tuning, fraud detection architecture, and cloud migrations. He possesses a strong background in distributed systems and DevOps (K8s/AWS/GCP) and is also an IT Professor at UTN. He enjoys solving complex concurrency issues, optimizing database performance, and mentoring teams. He is looking for a Senior Backend role in a remote-first company to contribute to core architecture and scalability challenges.