Fernando Meyer is a Principal Software Engineer based in Berlin with 19 years of experience designing and scaling distributed systems, currently building datastore and provisioning stacks at Okta. He has led platform and modernisation efforts across startups and enterprises—driving a 60% performance improvement on core APIs at SeatGeek and modernising data ingestion and DAG-based pipelines at Decisiv. A former Drools core contributor at Red Hat, he brings deep backend expertise in Java and event-driven architectures and has a history of shipping search, payment, and SRE-driven migrations to cloud. Comfortable moving between hands-on coding and technical leadership, he also implements pragmatic DSLs and privacy-preserving data solutions for product teams. Colleagues rely on him for tough reliability problems at the edge of scale and for turning messy legacy systems into maintainable platforms.
19 years of coding experience
17 years of employment as a software developer
Bachelor of Science (BS) Computational and Applied Mathematics, Bachelor of Science (BS) Computational and Applied Mathematics at USP - Universidade de São Paulo
BS Computer Science, BS Computer Science at Universidade Estadual do Oeste do Paraná
Drools is a rule engine, DMN engine and complex event processing (CEP) engine for Java.
Role in this project:
Backend Developer
Contributions:158 commits in 4 years 10 months
Contributions summary:Fernando primarily contributed to correcting type mismatches and implementing methods from the WorkingMemory Interface. They also added `serialVersionUID` fields to several Java classes. Furthermore, the user's commits focused on adding tests and resources for the XML parser, including support for nesting conditional elements, and adding language features.
Contributions:2 releases, 24 pushes, 1 branch in 1 year 11 months
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Fernando Meyer - Principal Software Engineer at Okta