Toshiaki Maki
Senior Principal Architect at Broadcom
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolToshiaki Maki is a Senior Principal Architect with 16 years of experience designing and operating cloud-native platforms, currently driving Tanzu-related architecture at Broadcom after a multi-year tenure at VMware. He combines deep Java and Spring expertise with hands-on platform delivery—leading deployments of Tanzu Kubernetes Grid, Tanzu Application Platform, and cloud migrations across vSphere, AKS and EKS. An active contributor to high-profile Spring projects (Spring Framework, Spring Boot, Spring Cloud, and the new Spring AI), his open-source work ranges from CacheControl and JDBC fixes to Kafka/SSL enhancements and PostgresML embedding support. He excels at bridging developer experience and operational reliability, having built platform teams, SRE practices, and CI/CD automation for large enterprises. Trained at the University of Tokyo (BS/MS), he pairs research-oriented thinking with pragmatic engineering—often surfacing subtle API and tracing improvements that improve observability and long-term maintainability.
16 years of coding experience
14 years of employment as a software developer
University of Tokyo
Github Skills (38)
application-framework10
artificial-intelligence10
ssl10
tls1210
postgresql10
spring10
distributed-tracing10
testing10
app-framework10
microservices-application10
kafka10
tls1310
jdbc10
java10
javas10
Programming languages (15)
Github contributions (5)
spring-projects/spring-ai
Sep 2023 - Oct 2024
An Application Framework for AI Engineering
Role in this project:
Backend Engineer
Backend EngineerContributions:2 reviews, 7 PRs, 14 comments in 1 year 1 month
Contributions summary:Toshiaki primarily contributed to the integration of PostgresML support for embedding clients. This involved implementing the dimensions method and adding MetadataMode support, specifically focusing on the 'EMBED' mode. The user also dropped the pgml extension during tests and disabled the PostgresMlEmbeddingClientIT by default. Additionally, the user addressed a description issue in the PdfDocumentReaderConfig Javadoc and addressed some build configuration issues.
artificial-intelligencejava
spring-cloud/spring-cloud-sleuth
Dec 2016 - Jun 2021
Distributed tracing for spring cloud
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 review, 9 commits, 4 PRs in 4 years 6 months
Contributions summary:Toshiaki primarily contributed to the core functionalities of the Spring Cloud Sleuth project, focusing on distributed tracing. They modified auto-configuration classes to conditionally include dependencies like `RpcTracing` and `MessagingTracing`, and they updated properties for disabling tracing. Furthermore, the user enhanced the RSocket instrumentation, specifically setting the `spanId` and incorporating traceIdHigh and debug flags, improving the project's tracing capabilities. These changes were designed to improve the overall tracing experience.
open-telemetry-javaspringmicroservicesdistributed-tracingopentracing
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