Cláudio Domingos
Data Engineer
Experience
Data Engineer
Eviso Spa
Develop and maintain ETL processes
Database administration tasks (MySQL and PostgreSQL)
Database performance optimization
Monitoring the health of a large database
Azure MySQL + on-premises MySQL
PostgreSQL w/ Timescale
Python
Prefect (for CI/CD)
Azure PowerApps
Power BI dashboards
Docker
Talend Open Studio 7.3
C#
Data Engineer
Groundworks Systems
Supported web development with database tasks
Migrated data between different DB systems (MySQL, Access, SQL Server)
Developed and maintained ETL processes
Optimized database performance
Processed GIS data
Azure MySQL + on-premises MySQL
Python
Power BI Report Builder + Power BI Desktop
Azure SQL Server + Azure Data Factory
Linux + Docker
C#
ClickUp
Talend Open Studio 7.3
C# Developer
Freelancer
Designed the infrastructure for the entire project
Created the data model
Built an API service
Developed a mobile app to run on the API
ASP.NET/C#, XAML, Xamarin.Forms
RestSharp, Swagger, Dapper, LINQ
SQLite, SQL Server
Data Engineer | ASP.NET/C# Developer
Proxio, Inc
Worked in a data integration (ETL) team responsible for developing and maintaining daily data loads sent by clients
Provided worldwide customer support
Talend Open Studio
SQL Server 2008 R2 / 2016
Java (light use)
MySQL
Unix (light use)
XML / XSL / JSON
Web services
ASP.NET/C#
Data Engineer
DevFactory FZ LLC
Migrated procedures, functions, packages, and data between databases
Oracle
Sybase
SQL Server
PostgreSQL
MySQL
ETL Consultant
Novabase
Data integration (ETL)
PostgreSQL 9.x
Talend Open Studio
SOAP
XML
Database Developer
Intergraph Portugal
Data migration between two geospatial platforms (ETL)
Developing a BPM (Business Process Management) engine to represent the customers business model
Ensure data correctness
Oracle 10g, 11g
SQL Server 2008 R2
SQL Server 2008 R2 Report Builder
PostgreSQL 9.x / PostGIS 2.x
Oracle Forms Developer
Logica
Rebuild existing Oracle Forms to support new features
Oracle 10g
Oracle Forms
Telecommunications Auditor
Melaneu
Analyse dataware house
Analyse operational databases
Oracle 10g
Database Developer
Agap2IT
- Creating/updating end-user Oracle Forms and Reports
- Auditor profile in a major telecommunication
- Database developer in a geospatial company
- GIS data migration
- BPM (business process management) engine for a corporate product solution
- Data integrations
Database Developer
Logica
Develop Oracle Forms
Data loading to DW
Oracle 10g
Oracle Forms
Lieutenant / Database Developer / Web Developer
Portuguese Navy
Developing an intranet portal to store documentation
Creating Reports/Discoverer Sheets
End-user training of build Reports/Discoverer Sheets
Team member of MainFrame migration
Officer in an internal legal process
Security responsibilities
PL/SQL, Oracle SQL Developer, Oracle 10g Reports Builder, Oracle 10g BI Discoverer Administrator, Oracle 10g BI Discoverer Plus
PHP 5.x, MySQL 5, CSS
Web Developer
Megaflop Informatics, Lda
Developing online store
PHP
MySQL
CSS
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Information Technology (18 years), Telecommunication (5 years), Real Estate (4.5 years), and Aerospace and Defense (2.5 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (20.5 years), Business Intelligence (14.5 years), Product Development (6 years), Customer Service (4.5 years), Legal (2.5 years), and Audit (0.5 years).
Summary
Data Engineer with over 19 years of professional experience, working remotely/home office for the last 11 years. My experience is focused on databases and data integrations (ETL) from various data sources (databases, APIs, raw files, XML, JSON, and more). I have solid experience managing on-premises servers, and I also have basic CI/CD skills. I'm here to help you!
Skills
Workshop On "Microsoft Web & Gaming Technologies"
Work In Virtualbox Environments
Team Spirit
Strong Sense Of Responsibility
Languages
Education
Universidade do Algarve
Degree in Accounting and Computer Science · Accounting and Computer Science · Faro, Portugal
Certifications & licenses
70-461 Querying Microsoft SQL Server 2012
Microsoft
70-761: Querying Data With Transact-Sql - Sql Server 2016
Microsoft
Profile
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