Efrain L.
Senior Data Engineer
Salary / Daily rate
Berlin, Germany
Freelance, open to permanent contract
Skills
Languages
About me
Intro
Data Engineer with 6+ years at CARIAD specializing in Azure cloud solutions and ETL pipelines. Expert in PySpark, Azure Databricks, and machine learning with proven experience building scalable data infrastructure for automotive industry. Ready to transform your data challenges into actionable insights with cutting-edge cloud technologies.
Work experience
Data Engineer - Software Design Engineer
CARIAD
Nov 2020 - Present
6 years
Berlin, Germany
Skills: Azure DevOps Services · Visión por computador · Workload Prioritization · Python in Azure · Data Structures · Microsoft Azure Machine Learning · Bash · Inglés hablado · MongoDB · Docker Products · NoSQL · Microsoft Office · Quality Assurance · JSON · Extraer, transformar y cargar (ETL) · Debugging · pytest · PostgreSQL · Cloud Development · Communication · Model Based Testing · Canalizaciones de datos · HTML5 · Fiabilidad · Azure Data Lake · NumPy · Azure Databricks · PySpark · Databases · Containerization · Problem Solving · Sistemas de bases de datos · Modelo de datos · Soluciones de software · Integración continua
Data Engineer - Software Design Engineer
Carmeq GmbH
Nov 2018 - Dec 2020
2 years 2 months
Berlin Metropolitan Area
Skills: Azure DevOps Services · Jenkins · Visión por computador · Workload Prioritization · Python in Azure · Data Structures · Microsoft Azure Machine Learning · Bash · Inglés hablado · Docker Products · NoSQL · Microsoft Office · Quality Assurance · JSON · Debugging · pytest · PostgreSQL · Cloud Development · Model Based Testing · Canalizaciones de datos · HTML5 · Fiabilidad · Planificación de pruebas · Azure Data Lake · NumPy · Azure Databricks · PySpark · Databases · Containerization · Problem Solving · Sistemas de bases de datos · Modelo de datos · Soluciones de software · Integración continua
Software Engineer - Scrum Master
ADVA Optical Networking
Oct 2014 - Dec 2017
3 years 3 months
Berlin, Germany
Skills: Application Programming Interfaces (API) · Jenkins · Workload Prioritization · Data Structures · Bash · Microsoft Office · Quality Assurance · JSON · Debugging · pytest · PostgreSQL · Model Based Testing · HTML5 · Fiabilidad · Planificación de pruebas · NumPy · Databases · Problem Solving · Sistemas de bases de datos · Soluciones de software · Integración continua
DLR
Sep 2013 - Jul 2014
11 months
Berlin Metropolitan Area
Thesis Diploma
Sep 2013 - Jul 2014
11 months
Berlin Metropolitan Area
Skills: Application Programming Interfaces (API) · Workload Prioritization · Data Structures · Microsoft Office · JSON · Debugging · PostgreSQL · Cascading Style Sheets (CSS) · Model Based Testing · HTML5 · Fiabilidad · Databases · Problem Solving · Sistemas de bases de datos · Soluciones de software · Integración continua
Research assistant
Sep 2013 - Jul 2014
11 months
Berlin Metropolitan Area
Skills: Application Programming Interfaces (API) · Workload Prioritization · Data Structures · Inglés hablado · Microsoft Office · JSON · Debugging · pytest · PostgreSQL · Cascading Style Sheets (CSS) · HTML5 · Fiabilidad · Databases · Problem Solving · Sistemas de bases de datos · Soluciones de software · Integración continua
Software Developer
Moccu GmbH & Co. KG
Oct 2011 - Aug 2013
1 year 11 months
Berlin Metropolitan Area
Skills: Workload Prioritization · Microsoft Office · JSON · Debugging · pytest · PostgreSQL · Cascading Style Sheets (CSS) · Communication · HTML5 · Fiabilidad · Databases · Problem Solving · Sistemas de bases de datos · Soluciones de software · Integración continua
Senior Software Developer
Fundación Universidad Empresa de la provincia de Cádiz
Aug 2010 - Jul 2011
1 year
The Derry, Londonderry BT48 6PU, UK
Skills: Workload Prioritization · Microsoft Office · Debugging · pytest · PostgreSQL · Cascading Style Sheets (CSS) · HTML5 · Databases · Problem Solving · Integración continua
Intern
virtual7 GmbH
Sep 2009 - Mar 2010
7 months
Greater Karlsruhe Area
Skills: Microsoft Office · Debugging · pytest · PostgreSQL · Cascading Style Sheets (CSS) · HTML5 · Databases · Problem Solving
Junior Software Developer
Universidad de Cádiz
Sep 2008 - Jul 2009
11 months
The Derry, Londonderry BT48 6PU, UK
Skills: Debugging · pytest · PostgreSQL · HTML5 · Databases · Problem Solving
Técnico Superior de la Administración
Instituto Nacional de Estadística (INE)
Feb 2004 - Mar 2005
1 year 2 months
The Derry, Londonderry BT48 6PU, UK
Skills: Workload Prioritization · Debugging · pytest · PostgreSQL · HTML5 · Databases · Problem Solving
Education
Universitat Oberta de Catalunya
Master Degree in Data Science
2017 - 2018
1 year 1 month
Universidad de Cádiz
Master's degree
2008 - 2014
6 years 1 month
Universidad de Cádiz
Bachelor's degree
2003 - 2008
5 years 1 month