Summary
Stefan Meiwald is an engineering lead based in Sydney with 12 years of experience building cloud-native, event-driven transaction systems and ML-backed fraud detection. He progressed at Tyro Payments from software engineer to engineering lead, modernizing payment and e‑commerce services with Kotlin, Spring/Ktor, Kafka and AWS while introducing CI/TDD practices. Previously at ImmobilienScout24 he led containerization and machine learning projects—authoring classifiers for spam and fraudulent listings and helping shift trust/security capabilities into production. Stefan combines hands-on coding with technical leadership, preferring open-minded teams that challenge decisions and prioritize rational engineering tradeoffs. He has a keen interest in security engineering and ML applications, and is actively deepening expertise in cloud microservices and event-based architectures. A pragmatic problem-solver, he often bridges data science and platform concerns to deliver reliable, auditable systems.
12 years of coding experience
12 years of employment as a software developer
IT-Specialist specialised in software development, IT-Specialist specialised in software development at Oberstufenzentrum für Informations- und Medizintechnik Berlin-Neukölln
Master of Science - MS International Media and Computing, Master of Science - MS International Media and Computing at Hochschule für Technik und Wirtschaft Berlin