Jean-Pierre Matsumoto

– Member of cloud team managing 20k+ cpu-cores K8S clusters including 2k dedicated to 200 Elasticsearch pods – Administration of 10+ ES clusters running with ECK (0.7 PB of data stored) – Stabilization and performance tuning for critical use cases – Enhanced ES monitoring via Grafana and ad-hoc Kibana dashboards for performance optimization – Linux tuning related to ES including NUMA optimisations. Deployment is with Ansible – ES automation for Kubernetes or Operating System maintenance – ES automation for shard splitting by Python script – Development of automation tools and Kibana dashboards for per-application volume monitoring – Housekeeping and maintenance using Jupyter notebooks and Python scripts – Migration of primary logging clusters from Elasticsearch to OpenSearch – Maintenance and bug fixes for ES Helm charts – 24/7 on-call support for major Elasticsearch incidents

– Administration of huge Kafka Elasticsearch deployment – Elasticsearch / Kibana Sizing + index sharding – Ansible playbooks for the full Elastic Stack – Upgrade to Elastic Stack 8.x – Admin scripts in Python – Monitoring – Consultant about improvements of Java or Python code using Elasticsearch – Mapping optimizations – Massive caching with ad-hoc algorithms + Redis – Consultant & support of Elasticsearch deployments in IBM Cloud – Elastic Agent automation + Customization of Elastic integrations

– Member of AEM Base Squad part of Web Portal Tribe. The portal welcomes 30 millions visitor per month and is in top 30 French web site. – Improve reliability of ELK pipelines Filebeat > Kafka > Logstash > Cross-cluster Elasticsearch (200 millions docs per day / 15 TB storage) – Performance tracking, ELK sizing and optimization (_source, index compression, index switch in Logstash to target different retention, ...) – Add new AEM logs in ELK (grok expressions, ECS mappings = AEG in CATS) – VEGA visualizations, some based on calculated fields – ELK content versioning and automatic deployment with complex DevOps pipeline : Gitlab / XL Release / Jenkins / Jenkins / Docker / Nexus / Ansible / Bash – Kibana alerts and automatic reports – Bash scripts for AEM or ELK – AEM performance tracking with NeoLoad / Grafana / Dynatrace. Bug isolation thanks to Microsoft Playwright – AEM upgrade to recent version – Maven refactoring related to OSGi @annotations

– Integration between Orange API dans salesforce.com for French pro market – Follow-up of integration tasks – Risk identification – Security advisor / coordinator for OAuth2 related topics – Validation tests with Docker, Postman, Selenium – Member of architect commitee to use Apache Kafka to synchronize entities between salesforce and Orange

– Add support of VHDL language in SonarQube. Architecture + development – More than 100 Java 8 classes written included SSLR Parser – DevOps / CI / TDD with Maven, Chef, Azure, Selenium, AssertJ, JUnit, Jacoco, Jenkins, Bitbucket, SonarQube, Jira – User interface included written with React, NodeJS, TypeScript, TSX

– Extracted Webl report elements to Word document using ad hoc Office Add-in. – Think Analysis for Office but for Word. – Webl SDK – Office JavaScript Add-in for Word 2016 – HTML – Angular 2

– Freelance consultant – Architect for worldwide data schema for Roche MES / LIMS systems – SME for JBoss Data Virtualization (formally known as Red Hat JBoss Enterprise Data Services Platform) – Advanced understanding of data modeling & system integration strategies. – Performance analysis (at modelling level or even execution plan level eg "why a query is not fully pushed to datasource ?") – Modeling of WW data schema – Addition of OSIsoft PI AF as new data source – Architecture & Development of testing framework for continuous test (non-regression) of virtual databases. – Developer for a lot of complex virtual tables and JBoss DV (Teiid) procedures.

– Support level 3 for their new BO BIP 4.x / BODS 4.x including issues during BIP 4.1 / BODS 4.2 upgrade. – Team leader for 3 onsite / 5 offshore consultants – Training of SAP Basis experts to extend their skills to BI 4.0 – Performance & sizing of BO BIP including JMeter benchmarking for stress tests – 3000 reports produced every day on 32 vCPU – Load-balancer on Tomcats – Root cause analyzer for unplanned outage, CAPA – Monitoring with Solution Manager, Introscope, BIP Monitoring, Vblock metrics – BO BIP SDK programmer (Java) – Import of BIP contents to merge systems – Advisor for the BO architect team – Monthly report of KPI on server uptime, incident SLA – 3rd parties management for support of OS / network / DBA / storage – Security evaluation & fix of vulnerabilities discovered by continuous security scan tools.

– Freelance consultant – Detailed specification for migration of Excel reporting to BO. The data source is HP Quality Center. – End-users discussions / alignments – Specification and Java code development to migrate DeskI BO XI R2 + Citrix application to Webl XI R3 using custom Java web application. – Fix SQL performance issue of BO XI R3 reports above Oracle.

– Freelance consultant – JMeter Benchmarking of Bl 4.0 / BW deployments to find the maximum workload – PoC of BIP / BODS split to IPS

– Freelance consultant – Installation / tunning of BIP 4.0 – BIP training of onsite consultants

– Freelance consultant – Installation / tunning of new BIP 4.0 landscape for multiple customers.

– C# developer for a new startup product. – Tunning of SQL Server performance

– Leader for the connectivity between Data Federator et SAP BW. Specification with two architects of SAP BW. Implementation, performance optimisation. – Support for key accounts of Data Federator and SAP BusinessObjects. Add of knowledge base articles for SAP BW / BO. On site training of consultants. – Analysis, architecture, specification and tests of integration of Analysis Authorizations of BW into Data Federator 3.x dans SAP BO BI 4.x. – Creation of parametrization framework for the configuration and performance optimization of Data Federator. Deployment and internal documentation. – Integration of Data Federator into the SAP BusinessObjects 4.0 for the multi-sources universes (MSU). – SQL Query plan caching – Main author for the training guide of Data Federator. – Integration in WW 12 hours BO build system

– Teacher for two master modules: – Database during 5 years – XML during 2 years – Assistant for lessons : Java, OO programming, Networking, Algorithms, Web.

– After a short internship, I have enjoyed to be contractor in parallel of university studies. Then I have started my PhD and I was also research engineer for Medience Startup. – Developer for European projects around shared distributed database system for scientific datasets. – System engineer for the team (8 peoples) – Research Engineer for Medience startup acquired by SAP BusinessObjects in 2005 – Complex Java developments around Data Federator SQL Query Engine (called LeSelect at this period). – Add connectivity to Oracle + PostgreSQL including BLOB management. – Trainer for LeSelect customer – Administrator of bug tracking infra (Bugzilla, CVS, Bash scripts) – Java RMI - CORBA - Customer support