David H. Email & Phone Number

Experienced in extensive collaboration with AWS, utilizing DBT for data processing and Terraform for infrastructure. Specialized in ETL pipeline implementation, optimizing data flow, and efficiently migrating from Redshift to Databricks. Proficient in Python for extracting data and integrating custom APIs, fostering a collaborative, data-driven environment with cross-functional teams.

Spain

Experienced in extensive collaboration with AWS, utilizing DBT for data processing and Terraform for infrastructure. Specialized in ETL pipeline implementation, optimizing data flow, and efficiently migrating from Redshift to Databricks. Proficient in Python for extracting data and integrating custom APIs, fostering a collaborative, data-driven environment with cross-functional teams.

**Software Engineer Role:**In my capacity as a Software Engineer, I spearheaded several key initiatives:- I took charge of designing and developing a new backend API using NodeJS and ExpressJs, providing a robust foundation for our applications.- I led the development of a platform dedicated to trading advertising campaigns, streamlining our advertising operations.- I architected and developed a microservices application using Java Spring Boot, connecting it to Beeswax and Mediamath APIs, two major players in the DSP market. This microservices API seamlessly integrated with various databases to present essential analytics data.My work in this role demonstrated my technical prowess and ability to collaborate with multidisciplinary teams.**Data Engineer Role:**In my role as a Data Engineer, I undertook the following responsibilities:- I designed and developed ETL pipelines using Spark Scala, enabling data ingestion and storage in our Datalake on S3.- I played a key role in processing and aggregating data, subsequently storing the results in multiple databases, including MongoDB, Clickhouse, PostgreSQL, and Elastic Search. This data transformation and storage process was pivotal in enhancing our data analytics capabilities.Throughout this role, I was an integral part of a diverse, cross-functional team that included Frontend, Backend, and Data Engineers.

Madrid Y Alrededores, España

In the R&D Security Department, I led a groundbreaking Big Data project, creating a dynamic platform with Cyber Investigation and Digital Surveillance applications. I gathered data from social networks and other sources, processing it in JSON format using NodeJS workflows. I established smooth communication between components with RabbitMQ, a powerful message broker, and developed a robust RESTful API for database access, utilizing NodeJS and ExpressJS. My expertise covered various databases, including NoSQL (MongoDB, ElasticSearch, Neo4j, Redis) and SQL (PostgreSQL), with NodeJS for data acquisition and Apache Storm for large-scale processing. I crafted a user-friendly interface with MarionetteJs, and followed an agile Scrum methodology for efficient project delivery. My skills include JavaScript, Java, SQL, and proficiency in tools like Maven, NPM, Git, Jenkins, and Redmine.

Madrid Y Alrededores, España

EGS-CC Project:- Spearheaded the EGS-CC project, demonstrating my proficiency in developing user interfaces using Java and Eclipse RCP plugins.- Expanded my knowledge by successfully completing courses on Apache Servicemix, Blueprints, and Zookeeper.- Meticulously managed code versions using Git, ensuring a streamlined development process.Skillfully handled dependency management with Maven.- Contributed to comprehensive project documentation on Sharepoint.- Leveraged a tech stack that included Java, Eclipse, RCP, and OSGI.- Utilized development tools such as Maven, Git, Jenkins, Nexus, Redmine, Jira, and Sharepoint.Sentinel to EUD4S2k Migration Project:- Played a pivotal role in the migration of user interfaces within the Sentinel ground control system, involving the transformation of C++ code into Java through the creation of Eclipse RCP plugins.- Proficiently worked with a tech stack encompassing C++, Java, Eclipse RCP, Ant, and CORBA.- Managed the project's development processes with tools like SVN, Jenkins, and Redmine.

Madrid Y Alrededores, España

Fortuny Project at the Ministry of Justice:- Was part of the Fortuny Project at the Ministry of Justice, showcasing expertise in J2EE development with Struts and Spring on the IBM WebSphere application server.- Drove the implementation of new features, code optimization, and system maintenance, ensuring a robust and efficient application.- Conducted in-depth code quality analysis using Sonar, ensuring the highest coding standards.- Innovatively designed an administration console for managing scheduled tasks with Spring.- Implemented rigorous unit testing using JUnit to maintain code integrity and reliability.- Leveraged Hudson for continuous integration, automated deployments, and testing, streamlining the development lifecycle.- Utilized the IBM Rational Application Developer environment, an Eclipse-based platform, for efficient development.- Proficiently managed code versions using Subversion, ensuring seamless collaboration among the team.- Demonstrated expertise in handling the IBM WebSphere application server, guaranteeing a well-maintained and high-performance application.

Ministerio De Hacienda. Dirección General Del Catastro.

At the 'Ministerio de Hacienda' within the 'Dirección General del Catastro', I undertook responsibilities related to the maintenance of the core Cadastre application, SIGECA. In this role, I extensively utilised Oracle Forms Builder and Oracle Reports frameworks, while also implementing PL/SQL processes in the database.Furthermore, I executed the programming of resource-intensive tasks in Cobol, contributing to the application's efficiency.To ensure the robust performance of all implemented modules, I designed comprehensive test suites.Additionally, I played a key role in swiftly resolving application issues and incidents within SIGECA

Indra Software Labs

Internship Overview:During my internship, I had the opportunity to work in the Innovation Department, contributing to two key projects: TacTIC and Sagaz.TacTIC Project:Engaged in the design and development of user interfaces using Java, with a focus on creating intuitive and user-friendly interfaces. Utilized tools such as NetBeans and Eclipse IDE to bring these interfaces to life.Sagaz Project:Participated in the development of an Android mobile application, which involved designing and implementing user interfaces to enhance the user experience.Documentation:Played an integral role in documenting both the TacTIC and Sagaz projects, ensuring comprehensive records and facilitating effective knowledge transfer.

Ingeniería, Informática

Licentiate Degree, Mathematics

Master De Programación En Android, Desarrollo De Aplicaciones Móviles