Alfredo Javier Jimenez Zambrano
Data engineer
Barranquilla
Summary
Results-focused data professional equipped for impactful contributions. Expertise in designing, building, and optimizing complex data pipelines and ETL processes. Strong in SQL, Python, and cloud platforms, ensuring seamless data integration and robust data solutions. Known for excelling in collaborative environments, adapting swiftly to evolving needs, and driving team success. Database engineering professional with experience in database design, optimization, and management. Skilled in SQL, NoSQL, and performance tuning. Strong focus on team collaboration and delivering results. Reliable, adaptable, and driven by achieving project goals and efficiency.
Overview
8
8
years of professional experience
2
2
Languages
Work History
Data Engineer
Michael Page
03.2025 - Current
- Designed and developed data architectures in Azure, focusing on optimizing the storage, processing, and analysis of large volumes of information.
- Implemented efficient and reliable data pipelines using Azure Data Factory to ensure smooth and automated data flow management.
- Transition of data between different layers of the Medallion architecture with Azure Databricks, improving integration and processing speed.
- Developed artificial intelligence models for interpreting and answering questions in natural language, using Genie AI to enhance the interactivity and accuracy of the systems.
- Integrated APIs for automated data extraction, optimizing collection processes and ensuring continuous information updates.
- Automating repetitive tasks to increase operational efficiency, reducing time spent on manual processes and minimizing the risk of errors.
Data Engineer
Ntt Data
12.2023 - 03.2025
- Designed and developed data architectures in Azure, selecting optimal services and tools for data storage, processing, and analysis.
- Created and maintained efficient and reliable data pipelines using Azure Data Factory, Azure Databricks, and Azure Synapse Analytics for extracting, transforming, and loading data from multiple sources.
- Managed data flow within the organization, ensuring data cleansing, transformation, integration, and enrichment to maintain data quality and availability.
- Identified and resolved performance bottlenecks in data pipelines and storage systems by applying partitioning, indexing, and query optimization techniques.
- Automated repetitive tasks and established monitoring systems with Azure Monitor and Azure Automation for real-time issue detection and resolution.
- Optimized data processing by implementing efficient ETL pipelines and streamlining database design.
- Documented processes, pipelines, and data architectures in Azure, and provided training and technical support to other team members.
Data Engineer
Alianza Fiduciaria
10.2023 - 01.2024
- I designed and maintained SQL Server databases, focusing on efficiency and optimizing data schemas for superior performance.
- I developed and implemented SSIS packages for ETL, facilitating the integration of data from multiple sources into SQL Server.
- I created OLAP cubes in SSAS for multidimensional analysis, improving access to and management of large volumes of data.
- I performed maintenance and optimization tasks on SQL Server databases, ensuring their efficiency and constant availability.
- I used Git for version control, promoting effective collaboration and meticulous tracking of changes to code and database objects.
- I generated interactive reports and dashboards in Power BI, providing intuitive visualizations and valuable data to end users.
- I automated ETL processes and tasks with SSIS and PowerShell scripts, increasing operational efficiency and minimizing manual errors.
Junior Data Architect
Xolit S.a.
03.2022 - 07.2023
- Designed internal process improvements to automate repetitive tasks, shortening data delivery times.
- Migrated numerous legacy systems to newer technologies, reducing costs, and enhancing efficiency of computing tasks.
- Gathered, defined and refined requirements, led project design and oversaw implementation.
- Unified disparate data structures and operating environments during revamps of processing facilities, data centers, and more.
- Developed and delivered business information solutions.
- Verified isolation of data to specific geographic borders to comply with national and international data transmission laws and regulations.
- Created multi-site system architecture plans to reduce redundancy across entire organization.
Lead BI
Grupo Previsalud Y Mulfarma
05.2021 - 12.2021
- Development and implementation of Business Intelligence (BI) strategies for the organization.
- Management and leadership of BI professional teams, assigning tasks and fostering skills development.
- Data analysis and creation of visualizations to facilitate informed decision-making.
- Collaborated with other departments to understand the full scope of business needs, ensuring comprehensive solutions were delivered.
- Spearheaded efforts to improve overall data literacy within the organization through training sessions and workshops.
- Conducted regular audits of BI system usage, ensuring compliance with data privacy regulations and company policies.
- Established consistent data standards to maintain data integrity across multiple sources.
BI Analyst
Viva 1a Ips
01.2018 - 05.2021
- Creation of functions and stored procedures to optimize saving and deleting information in SQL databases (extensive knowledge of query languages, Viva la Ips, Barranquilla).
- Collecting data from different information sources using ETLs, Python tools for reading and working with data, JSON structures, among others.
- Data management and processing using stored procedures, functions, and database triggers. SQL and scheduled tasks.
- Creating projects in relational, SQL, and dimensional databases with Analysis Services.
- Creating and maintaining models for projects published in the Viewer (Power BI).
Education
Systems Engineer -
Politecnico Costa Atlantica
Barranquilla01.2024
Diploma in Project Management -
Politecnico Costa Atlantica
Barranquilla01.2023
Asis Technologist -
Politecnico Costa Atlantica
Barranquilla01.2019
Systems Technician -
Sena
Barranquilla01.2013
Skills
azure databricks
Timeline
Data Engineer
Michael Page
03.2025 - Current
Data Engineer
Ntt Data
12.2023 - 03.2025
Data Engineer
Alianza Fiduciaria
10.2023 - 01.2024
Junior Data Architect
Xolit S.a.
03.2022 - 07.2023
Lead BI
Grupo Previsalud Y Mulfarma
05.2021 - 12.2021
BI Analyst
Viva 1a Ips
01.2018 - 05.2021
Systems Engineer -
Politecnico Costa Atlantica
Diploma in Project Management -
Politecnico Costa Atlantica
Asis Technologist -
Politecnico Costa Atlantica
Systems Technician -
Sena