• Maintained and extended a complex build and deployment scheme that targetedboth legacy on-premises and multi-architecture AWS ECS platforms.• Created services to load log data from Kafka into an OpenSearch cluster.• Built tools intended to detect and stop excessive user requests.• Created and maintained many JVM-based and Python-based microservices.• Converted Ant/Ivy build chain to Gradle with Jenkins declarative pipelines.• Developed a Kong-based access control mechanism to replace a more expensiveApigee solution.

• Wrote Spark, Scala, Python, and Kotlin-based tools for reading, processing, and presenting weather data from web service, GRIB, and NetCDF sources.• Deployed multiple projects to AWS infrastructure using EMR, S3, and EC2.• Packaged projects using Docker and deployed Docker images to Mesos clusters.• Developed a Scalatra-based RESTful API for consuming industrial sensor readings and aggregations from a Cassandra cluster.• Designed and developed a Spark-based suite of data ingestion services for persisting and aggregating industrial sensor readings read from Kafka topics.• Sent logs to Graylog and charted the results using Grafana.• Wrote and maintained Jenkins build pipeline definition files.

Led the design and implementation of a centralized configuration system. Worked with teams on integrating with the configuration system. Developed an electronic session provisioning system. Wrote tools for integrating and automating the configuration lifecycle of many internal software components.

Served as a tool writer and integration specialist on a large client project. Assisted in the development of a J2EE-based management application.

Worked on the development of a service platform providing services for small businesses. The platform was originally written in Perl/Mason and was ported to Java.

Built and administered streaming audio servers (RealAudio and WMA) that were deployed to radio stations.