Javier Barón Pérez Email & Phone Number

- Designing and building the self-service OLX Global Data Platform used by all brands (Europe, Autos, classifieds, etc) at scale on the cloud.- Playing a key role in the architecture and sharing the knowledge between teams.- High impact improving the way of working (agile) and defining the team vision.Tech stack:AWS, Python, Lambda, EMR/EC2, EFS, Glue, Kinesis, SageMaker, DynamoDB, DAX, ECS, EKS, Route53, ELB, KMS, Terraform, etc

- Designing and building a data platform on AWS that receives IoT device’s data in streaming and batch, store & enrich a Data Lake and create/deploy ML predictive models & dashboards.- Representing SEAT:CODE as the data lead inside VW Group.Tech stack:AWS, Python, Spark, Lambda, Glue, IoT Core, IoT Greengrass, Kinesis, SQS, API GW, Athena, Sagemaker, CodeBuild/CodePipeline, CloudFormation

- Building self-service Big Data & IA platforms on AWS for different companies (bank, ecommerce & insurance). Covering the entire data lifecycle from data ingestion, data governance & quality and data consumption using ML or exploration using BI.- Introducing and mentoring also new members to the team.- Designing the material and tutoring engineers to become Data Engineers on AWS covering all the areas: Distributed data processing, storage, ingestion (serverless and containers), DevOps, Machine Learning (MLOps), visualization, etc.Tech stack:AWS, Python, Scala, Spark, Lambda, Glue, EMR/EC2, Athena, SQS, API GW, DynamoDB, Sagemaker, StepFunctions, Sagemaker, CodeBuild/CodePipeline, CDK, CloudFormation

Madrid Y Alrededores, España

- Building the platform (backend) used by most of the train companies in the UK to sell and validate their train tickets (E2E).- Introducing and mentoring new members to the team.Tech Stack:Scala, Java, Akka, Slick, RabbitMQ, Doobie, SBT, ScalaTest, etc.