¡Bienvenido al perfil Malt de Julio Steven !
Localización y desplazamiento
- Localización
- Barcelona, CT, España
- Puede trabajar en tus oficinas en
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- Alrededor de Barcelona y 50 kms
- Alrededor de Madrid y 50 kms
Preferencias
- Duración del proyecto
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- ≤ 1 mes
- Entre 1 y 3 meses
- Entre 3 y 6 meses
- ≥ 6 meses
Verificaciones
Firmado el código de conducta freelance
Consultar el código
Idiomas
Categorías
Habilidades (19)
- BigData
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- Databases
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Principiante Intermediario Confirmado
- Data Science
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Principiante Intermediario Confirmado
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Principiante Intermediario Confirmado
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- Todos
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Principiante Intermediario Confirmado
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Principiante Intermediario Confirmado
Julio Steven en pocas palabras
Para llevar a cabo mis proyectos siempre analizo los problemas y aporto soluciones consistentes en cada fase del desarrollo.
Principalmente utilizo las siguientes tecnologias:
- Modelado de datos utilizo Python (Numpy, Pandas, Spark)
- Soluciones de Machine Learning (TensorFlow, Keras y R)
- Reporting con PowerBI o Tableau
La tarifa es variable según (proyecto, dimensiones del dato y resultados)
Experiencia
Naturgy Renovables - Naturgy
Energía
Data Engineer
• Design widget in Databricks notebooks
• Develop with PySpark & SparkSql to resolve solutions
• Implement different automations on Databricks
• Model data following the client's KPIs
• Perform test runs with python
PepsiCo International Limited - Pepsico
Gran distribución
Big Data Engineer - Como freelance
- Development code inside of notebooks
- Design widget to improve dataset for marketing, sales, logistics...
- Extraction data from API with Postman for his analytics
- Develop with pyspark to resolve solutions
- Define code to transform dataset in business value data
- Develop a strategy on data route to his processed on Databricks
- Fulfill deadlines from every week goal
TECHNOLOGIES:
- Cloud Azure (DataFactory, DWH, Databricks, Azure Explorer))
- Data (SqlServer, Oracle, MongoDB, APIs, Json)
- Big Data (Spark, Scala)
- Python (Numpy, Pandas, Databricks and Jupyter)
- Agile Methods (Scrum, Azure Devops)
Axa - AXA
Banca & seguros
Azure Consultant - Como freelance
- Development of data processing pipelines
- Cooperate with teams to resolve incidents, errors, bugs, etc...
- Extraction of Insights data for his analytics
- Develop a strategy on data route to his processed on Azure
- Fulfill deadlines and costs of billing on Cloud
TECHNOLOGIES:
- Cloud Azure (DataFactory, DWH, Databricks, CosmosDB)
- Storage Azure (Blobs, ADLS, Containers)
- Databases (SqlServer, Oracle, MongoDB)
- Big Data (Spark, Scala, SnowFlake)
- Reporting (PowerBI, Tableau)
- Machine Learning (TensorFlow, Scikit, Jupyter)
- Agile Methods (Scrum, Azure Devops)
MCR solutions
Consejo & auditoría
Senior Business Intelligence Developer
- Perform queries in databases
- Perform financial reports with Jedox
- Correcting errors in the processing of reports in Jedox
- Processing data with ETL and Jedox
- Making reports with Google Data Studio
- Development and implementation of data analysis and reporting
TECHNOLOGIES:
- Relational Databases (SqlServer, Oracle, PostgreSQL)
- Reporting (Jedox, Google Data Studio)
- Agile Methods (Kanban, Azure Devops)
CaixaBank - Caixabank
Banca & seguros
DBA Oracle
- Design of Databases (index, views, jobs, triggers, packets)
- Manage process with packets, variables, scripts on Oracle
- Solve incidents y deliver reports with tool BI
- Manage security to access Databases
TECHNOLOGIES:
- Databases on Oracle Developer & ODI (Oracle Data Integrator)
- Develop with PL/SQL en ODI
- Tools (Asana, Citrix, Excel)
K-Tuin
E-commerce
Data Architect
- Develop & implementation of data migration, analysis, and reporting
- Cooperate with different teams to define data solutions
- Develop a strategy on data management and creation of data route
- Management of teams, fulfill deadlines and costs projects
- Implementation of pipelines on the process with Azure
- Management on DWH and architecture of analysis on his scalability
- Design of algorithms to predict the trend of customers
TECHNOLOGIES:
- Azure (DataLake, DataFactory, DWH, Databricks, Synapse, CosmosDB y Blobs)
- AWS (Lex, SageMaker, EMR, DynamoDB, Athena, Kinesis, Redshift, QuickSight)
- Relational Databases (SqlServer, Oracle, PostgreSQL)
- No Relational Databases (Cassandra, MongoDB)
- Big Data (Spark, Hadoop, Hive, Scala)
- Reporting (PowerBI [Dax], QlickView, Tableau)
- Machine Learning (TensorFlow, Scikit, Keras, NLP, Jupyter)
- Agile Methods (Scrum, Kanban, Jira)
Grupo Sesé
Logística & Supply Chain
Data Engineer
- Design of Databases (index, views, jobs, triggers, packets)
- Backups on Databases (configuration, reviews)
- Data analysis and extraction of Insights with relevant information
- Develop queries of High quality on Databases
- Develop with ETL to improve his analysis
- Develop & implement of data migration, analysis, and reporting
- Design of algorithms to predict trends of customers
TECHNOLOGIES:
- Relational Databases (SqlServer, Oracle, Exadata, PostgreSQL, Teradata)
- No Relational Databases (MongoDB)
- Others Services (Golden Gate, Dataguard, RMAN, Oracle Enterprise Manager)
- Develop Databases (T-SQL, PL/SQL)
- Languages (Python, R, Numpy, Pandas, Matplotlib)
- Process ETL (SSIS, SSAS, SSRS)
- Reporting (PowerBI, QlikView)
- Machine Learning (Pytorch, ScyPy)
Recomendaciones externas
Consulta las recomendaciones de Julio Steven