Paul J. Email and Phone Number

Cloud Common ServicesSecure Software Supply Chain Go, Kubernetes, Docker, REST APIs, SLSA, GUAC, ArangoDB, Ginkgo tests, AWS (EKS, DynamoDB, S3, KMS, SQS), jsPolicyBuilding and productizing a set of Go microservices that enable software supply chain integrity for ATMOS - Guidewire’s Cloud Platform. Focused on implementing the SLSA specification, Software Bill of Materials (SBOM), and provenance generation.

Cloud Container Distribution (CCD) - Ericsson's Kubernetes offering optimized for telco workloads.Go, Kubernetes, Helm, Ansible, Docker, Openstack, Jenkins, Spinnaker, ETCD, Shell scripting, Fluentd-Fluentbit, BareMetal, containerd • As a member of a cross-functional team, I've collaborated on various feature sets and requirements. My contributions range from developing new features to actively participating in the setup of CI/CD pipelines.• Contributed to converting a… Show more Cloud Container Distribution (CCD) - Ericsson's Kubernetes offering optimized for telco workloads.Go, Kubernetes, Helm, Ansible, Docker, Openstack, Jenkins, Spinnaker, ETCD, Shell scripting, Fluentd-Fluentbit, BareMetal, containerd • As a member of a cross-functional team, I've collaborated on various feature sets and requirements. My contributions range from developing new features to actively participating in the setup of CI/CD pipelines.• Contributed to converting a standalone open-source application into a microservice, adhering to company design standards.• Handled priority customer bugs, providing analysis, workarounds, and detailed root cause analysis. Show less

SDN - DOAA (Datacenter Onboarding Automation Agent) team at Ericsson's R&D unit.Java, REST, OSGi, Event Driven Architecture, Karaf, Maven, OpenDayLight SDN Contoller, Yang modelling Raft Protocol, MDSAL, Jolokia, JMX, Java Flight Recorder, Jenkins, Juniper JunOS MX routers. • Developed a network orchestrator and controller from scratch using OpenDayLight SDN framework written in Java. Modelled it based on event driven programming principles.• Developed innovative strategies… Show more SDN - DOAA (Datacenter Onboarding Automation Agent) team at Ericsson's R&D unit.Java, REST, OSGi, Event Driven Architecture, Karaf, Maven, OpenDayLight SDN Contoller, Yang modelling Raft Protocol, MDSAL, Jolokia, JMX, Java Flight Recorder, Jenkins, Juniper JunOS MX routers. • Developed a network orchestrator and controller from scratch using OpenDayLight SDN framework written in Java. Modelled it based on event driven programming principles.• Developed innovative strategies to optimize product performance in the face of limited hardware resources. Through extensive real-world testing, identified performance issues and conducted in-depth analysis to pinpoint areas of improvement. Designed and implemented strategic architectural changes that resulted in a significant performance boost of at least 200%, enhancing the overall efficiency and responsiveness of the product.• Analyzed and implemented remote debugging flows and scripts in alignment with the company's developer environment network configurations. Collaborated with the team to successfully integrate these solutions, resulting in improved developer efficiency and reduced turnaround time for issue resolution.• Identified critical open-source issues during project milestones and devised immediate hacks to mitigate risks and ensure timely project delivery. Simultaneously worked on developing and implementing a proper, long-term solution to address the issues. Successfully delivered the project within the designated timeline.• Provided mentorship and guidance to 5 engineers, engaging in pair-programming sessions and assisting with significant code refactoring efforts. Conducted knowledge sharing sessions, as well as organized product and code walkthroughs to ensure a thorough understanding of the project. Show less

Software Defined Networking (SDN) team at Ericsson's R&D unit.Java, OpenDayLight SDN Controller, RAFT, Yang modelling, RegEx• Developed custom Karaf CLI tools to aggregate data and trigger workflows to improve usability of Ericsson’s OpenDayLight Controller based SDN product.• Designed complex Perl-RegEx patterns to extract relevant data from large volumes of logs and network hardware outputs in customer telco deployments.• Experimented with multiple node… Show more Software Defined Networking (SDN) team at Ericsson's R&D unit.Java, OpenDayLight SDN Controller, RAFT, Yang modelling, RegEx• Developed custom Karaf CLI tools to aggregate data and trigger workflows to improve usability of Ericsson’s OpenDayLight Controller based SDN product.• Designed complex Perl-RegEx patterns to extract relevant data from large volumes of logs and network hardware outputs in customer telco deployments.• Experimented with multiple node OpenDaylight (ODL) configurations to gain knowledge about RAFT Protocol, Akka Clustering, and Distributed Actor Framework. Assisted the team in troubleshooting issues in the core SDN controller. Show less