# Data Engineer - Nicolas GERARD ![Nico](//img/profile-2286591f6f6201e1.jpg) Nicolas [](mailto:\g\e\r\a\r\d\n\i\c\o\@\g\m\a\i\l\.\c\o\m "Email Me") [](https://github.com/gerardnico "My Work on GitHub") [](https://www.linkedin.com/in/gerardnico "Connect on Linkedin") [](https://calendly.com/gerardnico/30min "Schedule a time that works for you") [](https://maps.app.goo.gl/G5UG8UkrLKKQgTR66 "Where I live, Oegstgeest (Netherlands Randstad)") Ask AI Open As Table of Contents * [Advanced Skills](#advanced-skills) * [Characteristics](#characteristics) * [Portfolio](#portfolio) * [Projects / Employments](#projects) * [Skills Set](#skills) * [Languages](#languages) * [Interests](#interests) * [Education](#educations) * [Certificates](#certificates) # Data Engineer Deploy quickly with confidence and delight your users Creator of Tabulify, author of Datacadamia, big proponent of AI agentic data processing, with more than 20 years experience. Mastering the data landscape from data harvesting, integration, visualization, deployment and monitoring. Feel free to contact me to discuss any data questions or problems as well as my competences to implement or resolve them. The entire resume is a Graph of 426 nodes. A click on a link opens a node. ## Characteristics Me in 3 points ### T-shaped Engineer Data is my passion and I'm able to work on front-end, back-end and infra allowing me to tackle a broad range of complex real-world problems without extra hire. ### Give a damn High agency. Relentless result-driven with a high creativity on solutions. Being idle while waiting for a never-coming answer is not in my nature. ### Clear Model Builder Deep ERP modeling expertise , capable of building clear models , spotting inconsistencies, understanding interconnections and trade-offs (Intractable problems find their source in bad models) ## Portfolio Show, don't tell For the full list, check the [portfolio page](/portfolio "/portfolio") ### Tabulify A data processing framework that focus on prototyping and testing for a quick and confident deployment (Java based). ### Datacadamia I write openly since 2008 and inadvertently created Datacadamia , one of the biggest data enjoyed by 14K users daily (bots excluded). ### Kubee Built Kubee , a Kubernetes client framework that install idempotently a cluster, a full prometheus monitoring system and deploy apps in one command. ## Projects / Employments By Work Position Projects Layout : All Projects by Work PositionsAll Projects by Competency Periods Disciplines : Data EngineeringPlatform EngineeringSoftware Engineering ### 2019/26 - Full Stack Data Developer Bytle  - Software development, Educational Content Founder, worked on application and business development Projects: * Ansible to Kubernetes migration (Prometheus, Grafana, Helm, Jsonnet, Kustomize, ArgoCd) * ETL Workflow Engine Development (Java, Graph, Real-Time, Polling) * Image Service Processing (Sharp, Node Express, Vite Middleware) * Mail delivery platform development (Smtp, Java, Vertx, Dkim, Dmarc, Dns) * Multi-tenant Authentication Application (OAuth, JWT, React, Postgres, Java Vertx) * Multi-tenant Mailing List Application (Smtp, Rest, Graphql, React, Java Vertx) * React Rsc Server (Vite Rsc, Middleware, Mdx, Jsx, Typescript) * SEO - Page Performance, Quality and Search Ranking (Parser, Php, HTML) * Source and Sink ETL Connectors Development - Multiple File (Java NIO) and Database Systems (JDBC) ### 2011/19 - Senior Engineer (Bi, Data, Infra) HotITem  - Business and IT consulting Worked on data engineering (dashboarding, reporting, data lake and data warehouse development) and data platform tasks (DBA, CI/CD, Cluster and monitoring) Projects: * Automotive Marketing Analytics - Peugeot (Aws, Pl/Sql, Google Analytics Api integration) * Call Center DataWarehouse Development - Kpn (Obiee, Owb, Oracle, Data Vault) * Cloudera Data Platform Migration - Ziggo (Hadoop HortonWorks, Spark, Zookeeper) * Coaching Application Development - Kpn (Apex, Obiee, BIP, Java, JQuery) * Etl Workflow Performance Audit and Solutions - Tommy Hilfiger (Perf, Parsing, Statistics, Partitioning) * Informatica Big Data platform implementation - NS (Spark, Ansible, Powercenter BDM, Azure) * Oracle/Sap Hana loader development - Tommy Hilfiger (Partition, parallel thread, compression, buffering) * PowerCenter Big Data Management Implementation - Vgz (Obiee, Spark, Jupyter, Python, R-lang) * User Comments NLP analytics (Python NLTK, Endeca) ### 2009/11 - Business Intelligent and DataWarehouse Consultant Ciber  - IT consulting Worked with the Oracle team on data warehousing projects. Projects: * Oracle E-Business Analytics development - Rotterdam (Obiee, Owb, Obia) * Renewi - 360 Analytics DataWarehouse - Renewi (Obiee, Owb, Oracle) ### 2008/09 - Business Intelligent Consultant NewFrontiers  - Analytics software editor Worked on the development and implementation of the flagship product BI4SAP QuickStart product, a SAP analytical product Projects: * Automatic Label Translation Application (Java Swt, Oracle) * Implementation of BI4SAP QuickStart Analytics - Schouten en Nelissen (Owb, Oracle, Obiee, Sap) * SAP Analytics Migration to an new Oracle environment - Tommy Hilfiger (Owb, Obiee, Oracle, Sap) * SAP Data Quality Master Data Management - Engie (Spatial, MDM, Obiee, Sap) ### 2005/08 - ERP Project Manager and Developer SemWare  - ICT consultancy and ERP software editor Worked as ERP specialist and developer specialized on the BAAN (Infor Ln) and IGus (Seeds Management) ERP. Projects: * ERP consulting: audit, workshops and reorganizational projects (Baan, IGus) * IGUS ERP Developer and Integration (Oracle Forms, Report, Business Object, Pl/Sql) ### 1998/04 - IT and Project manager LANCY  - Concrete pumps manufacturer After a successful ERP implementation, took the position of manager to make IT a competitive advantage (150 K Euro Yearly Budget) Projects: * 360 supply - stock management automation (Reduction of 10% stock and a 50% purchase book order gain) * ERP analytics and reporting platform implementation (Crystal Report, Oracle) * ERP migration project: selection and implementation (Baan, Sales, Supply Chain, Finance) * IT and business: various project management (Barcode, Product Life Management, Telephony, Euro) ## Skills Set Tools and technologies Skills Set : Curated SelectionAll Skills Analytics Data Viz , Notebooks , Olap , Reporting Business Intelligence BIP , Bobj , Crystal Reports , Data Viz , Obiee Broker Kafka , RabbitMQ , Redis CI/CD Ansible , ArgoCd , Docker , Git , GitHub , Kubernetes , Ssh , Terraform Cloud Aws , Azure , Gcp Computer Science Ai , Algorithms , Compiler , Compression , Crypto , Data Science , Event Loop , Languages Data Lake Big Query , Data Warehouse , Hive , Kimball , Parquet , Snowflake , Spark Data Science Ai , Data Viz , Notebooks , Python , R Lang Data Viz Data Science , Ggplot , Grafana , JQuery , Jupyter , Notebooks , Svg Data Warehouse Data Lake , Data Vault , Kimball , Mdm / Data Quality , Stream/Batch Databases Clickhouse , MySQL , Oracle , Postgres , Redis , Sap Hana , Sql Server , SQLite ETL Nifi , ODI , Owb , Powercenter , Powercenter Bdm Languages Bash , Compiler , Go , Java , Php , Pl/Sql , Python , R Lang , Sql , Typescript Notebooks Data Science , Data Viz , Excel , Jupyter , R Lang , RStudio Performance Algorithms , Compression , Data Structures , HTML Performance , Modeling , Query Plan Platform Ansible , ArgoCd , Dns , Docker , Grafana , Kubernetes , Prometheus , Ssh , Terraform Real Time Grafana , Kafka , Nifi , Prometheus , RabbitMQ , Stream/Batch Reporting BIP , Crystal Reports , Typst Data Structures Avro , Collections , Compiler , Graph , Json , Parquet , Spatial , Svg , Table , Text , Xml ## Education Degrees and diplomas ### 1997/98 - Master - Production and Computer Engineering University of Bordeaux  - With honors ### 1994/96 - Bachelor - Industrial Engineering with Production specialization University of Burgundy  - With satisfactory honors ## Certificates The papers Data Mining with Weka Linear Algebra Scalable Machine Learning (CS190.1x) Big Data with Apache Spark (CS100.1x) Statistical Learning with R ## Interests And Hobbies Games Chess, Rugby Reading Computer Science, Product Design, Psychology Sports Running, Skiing, Swimming ## Languages Lost in Translation Dutch( Fluent ) English( Fluent ) French( Native Speaker )