Florent LIU

Project management teacher

KAI positions itself as a transformative AI-driven knowledge management (KM) solution designed to address the complexities of modern organizational data. By leveraging advanced technologies like natural language processing (NLP), machine learning (ML), and semantic analysis, KAI aims to streamline knowledge discovery, enhance collaboration, and drive data-driven decision-making. Meet KAI KnowledgeAI: ✅ Optimizes knowledge automatically, ensuring high-quality, AI-ready data 🔍 Delivers precise, context-aware answers—empowering businesses to leverage their data for smarter, faster decisions ⚡ Removes bottlenecks in R&D, operations, and customer experience 💡 Stop letting messy data hold you back. Unlock smarter insights and accelerate your next big innovation.

- Development and production deployment of data lake workflow projects: Scala / Akka framework (http/cluster/stream), Kafka, AWS S3, Spark, Hadoop & Hive, PostgreSQL, Neo4j, Airflow & Python, Apache Iceberg, Trino, Promtail / Loki / Prometheus / Grafana, etc. - Development and administration of DevOps pipelines for containerized services on on-premise OpenShift: OpenShift (OCP 4), Kubernetes Kustomization, GitLab CI/CD, Jenkins CI/CD, etc. - Integration and testing of applications: Ansible, Python, etc.

- Data Expert within the DATAHUB – CACHE DIGITAL Project team (Data-Centric SI Data Hub). Working specifically on the implementation of NoSQL databases (Couchbase). - Keywords: Couchbase database modeling, PostgreSQL, Java, SpringBoot API, JavaScript, Git, Docker, Bash.

- Architecture for creating a Data Lake and Data Warehouse: AWS, Glue (Spark job, crawler), DynamoDB, Lambda function, Airflow, Redshift, S3, CloudFormation, CDK, etc. - Audit of Data architecture and systems: AWS, Glue (Spark job, crawler), DynamoDB, Step Functions, Lambda function, Airflow, Redshift, S3, Talend Job, etc. - Optimization of AWS Redshift: Cluster configuration, data distribution, distribution styles, sort keys, compression, query optimization, workload management (WLM), vacuum and analyze, concurrency scaling, schema design. - POC for migrating a project from Axway to Airflow.

- Homes search engine : • HTTP API to find a house by specifying filters and using machine learning enabled sorting • Synchronization of data among different mode resources in batch and streaming. • Scoring houses with Machine Learning classification (LogisticRegression) • Scala 2.13, Elasticsearch sur Elastic.co, Docker, AWS(Spark 2.x on Glue, API Gateway, Lambda, S3, Parquet, DynamDB, Athena, SQS, MySQL, PostgreSQL, CloudFormation, CloudWatch etc), CloudSmith - Events platform : • Collect client-side events (page view, click, ...) and functional logs with transformation and storage to various destinations (S3, API HTTPs, CRM & GTM providers). • Scala 2.13, Kafka sur Confluent.io (Schema Registry, Avro, Kafka Connect, Kafka Streams), AWS(API Gateway, S3, Parquet, DynamDB, Athena, ECR, ECS, EKS, SNS, MySQL, CloudFormation, CloudWatch etc), CloudSmith - Home Recommandation Service : • HTTP API providing house recommendations for different use cases. • The Machine Learning Recommendation • Scala 2.13, AWS(Spark 2.x on Glue , API Gateway, S3, Parquet, DynamDB, Athena, ECR, ECS, MySQL, CloudFormation, CloudWatch etc), CloudSmith - Home Similarity Service : • HTTP API providing similar homes for different use cases. • The data science • Scala 2.13, AWS(Spark 2.x on Glue , API Gateway, S3, Parquet, DynamDB, Athena, ECR, ECS, MySQL, CloudFormation, CloudWatch etc), CloudSmith - AB Test Service : • Data analysis backend and Dashboard service. • Scala 2.13, AWS(Spark 2.x on Glue , API Gateway, S3, Parquet, DynamDB, Athena, ECR, ECS, Javascript, MySQL, CloudFormation, CloudWatch etc), CloudSmith - Documentation and in-company training

Data and DevOps & Cloud engineer within a CICD team. - Development of DAG, operator, sensors etc. of Apache Airflow to collect and transform data - Development of the CI / CD workflow and deployment of Apache Airflow on AWS - Deployment and maintenance of CICD tools (Jenkins, Artifactory, etc.) on kubernetes - Improved security on AWS (Management of secrets, encryption keys, Docker images, etc.) - Deployment of containerized application bricks on AWS (Terraform, Helm, Docker, Kubernetes) - Deploying a configured Jenkins (JobDSL) - Keyword: Python, Groovy, Apache Airflow, AWS, Docker, Kubernetes, Terraform, Helm, Jenkins, Postgresql, ELK, Kafka, Spark, Hadoop, Unittest, Git

Backend developer for an API vision quality control solution based on a new approach to artificial intelligence.

Data engineer and developer for digital projects on the issues of Big Data, IOT (Internet of Things), Data Analytics, allowing to provide a completely digital solution in the various business industries especially dedicated to energy transition, decentralized energy and collaborative economy. - Technical selection, software design and architecture - Integration of various software components and hardware - New technologies watch and POC Realization - Production realization - Business design - Writing technical specifications and technical documentation - Coordination and Steering - Data Analysis and Marketing of new digital business Keyword: Java, Python, Scala, Arduino, NodeJS, MongleDB, R, Python, OpenADR, OSGi Java, MicroSoft Azure ML, Sofia2 Cloud, AWS, IBM Watson IA, DataViz OpenStreetMap & D3js, Hadoop , Neo4j , Spark

Senior developer for a project in Big Data in providing Near real time streaming solution to monitor the energetic consumption per minute with acceptable SLAs for one million meters. - Technical selection, software design and architecture - Product realization with the next techniques - Front Office: Html, Jquery, JavaScript, CSS - Middle Office: Java, CAMEL, NodeJS, ElasticSearch - Back Office: Redis DataBase, AWS Cloud Computing, ElasticSearch - Development, testing, deployment and integration - Writing technical specifications and technical documentation - Modeling and creation of databases - New technologies watch and POC Realization - Implementation of projects with Agile Methods

- SOA(Weblogic server, WLI, ALSB, Oracle Database) - Communicative chain (GPRS, Power-line communication (PLC), embedded software in hubs and smart meter)

- Modeling, design and creation of databases - Creation of the installation procedure, setup and migration / initialization data - Architecture design and development in J2EE - Writing technical/functional specifications and user guide - Management development teams - Integration, installation, configuration and testing developments

- Architecture design and development (J2EE) - Analysis of functional specifications - Definition and proposal of methodologies and procedures for projects - Delivery and put in production with integration - Installation, configuration and deployment of Oracle 9i AS and Portal , IBM Websphere and Domino

- Development, set-up, performance optimisation and troubleshooting for applications - Functional analysis and definition of needs with the customers according to functional specifications - Design of the database model - Product integration, support management, writing of the user's manuals