Portugues
Quem Sou
Quem Sou
Missao: Arquitetar solucoes de dados escalaveis e de alto desempenho que transformem dados em inteligencia estrategica.
Profissional de TI com 10+ anos de experiencia, sendo 7+ anos dedicados a Engenharia de Dados em ambientes Cloud e On-Premises com foco em Microsoft Azure. Especialista em arquitetura de dados moderna (Data Lakehouse, DataMesh, Medallion Architecture), processamento distribuido com Databricks e Spark (PySpark, SQL) e automacao de pipelines ETL/ELT escalaveis, sustentando solucoes de alto desempenho com governanca de dados corporativa.
Areas de Expertise
ArquiteturaData Lakehouse |
Cloud & Big DataAzure |
ProcessamentoSpark |
GovernancaUnity Catalog |
PipelinesETL/ELT |
DevOpsTerraform |
Estatisticas GitHub
Experiencia Profissional
10+ anos em TI | 7+ anos em Data Engineering | 6+ empresas | Multiplas industrias
NTT DATA Europe & Latam | Engenheiro de Dados (Dezembro 2022 - Presente | 3a 3m)
Arquitetura & Migracao:
- Executei migracao estrategica de infraestrutura entre Azure Tenants, consolidando ecossistemas complexos (ADF, dbt, Snowflake, Airflow) para Azure Databricks
- Implementei e sustentei Unity Catalog para garantir governanca, disponibilidade e seguranca em arquitetura Data Mesh
Performance & Otimizacao de Custo:
- Viabilizei reducao de 95% no tempo de processamento atraves de tecnicas avancadas de otimizacao (Shuffle, Spill, Caching)
- Reducao de 70% nos custos de computacao + 45% adicional via Cluster Sizing inteligente
Engenharia de Pipelines (ETL/ELT/ELTL):
- Desenvolvi fluxos de ingestao de larga escala para Arquitetura Medallion, manipulando dados relacionais e nao-relacionais (MongoDB, Neo4J, Postgres)
- Implementei padroes com Spark (PySpark/SQL) e frameworks como Auto Loader
Streaming & Mensageria:
- Construcao de processos de ingestao em tempo real com Kafka, Event Hub, RabbitMQ
- Aplicacao de padroes CDC/CDF para integridade de dados em cenarios complexos
Infraestrutura como Codigo & DevOps:
- Scripts Terraform para automacao de infraestrutura
- Pipelines CI/CD em Azure DevOps para deploy automatizado de schemas, volumes e configuracoes
Data Quality & Governanca:
- KPIs de qualidade (Freshness, Integrity) com dashboards de governanca (lvdash)
- Automacao de monitoramento de custos e falhas via Power Automate e Webhooks (Teams/Slack)
Mentoria & Documentacao:
- Nivelamento tecnico de profissionais atraves de avaliacao em cases de entrevista
- Elaboracao de documentacao tecnica no Confluence
- Apoio em campanhas internas de certificacao Azure e Databricks
Stack: Databricks, Python, PySpark/Spark SQL, Azure Data Factory, Power BI, Azure DevOps, Kafka/Event Hub/RabbitMQ, CosmosDB, MongoDB, APIs REST
Radix Engenharia e Software | Engenheiro de Dados (Novembro 2021 - Dezembro 2022 | 1a 2m)
- Colaboracao na especificacao de requisitos e criacao de ambientes de dados focados em arquitetura big data
- Execucao de pipelines ETL/ELT em Azure: Data Factory, Databricks, Synapse Analytics, Azure DevOps
- Codificacao de projetos on-premise para cloud, armazenamento em camadas Raw, Trusted, Refined, Serving
- Processamento com Spark (PySpark/SparkSQL) aplicando modelagem dimensional
- Sustentacao e melhorias em Self-Service BI com Analysis Services, Tabular Studio, ALM Toolkit, Dax Studio, Bravo for Power BI
Stack: Azure Data Factory, Azure Data Lake Storage Gen2, Azure Databricks, Azure Synapse, Azure SQL Database, Azure DevOps, Azure Analysis Services, Power BI, Dax Studio, Tabular Studio, ALM Toolkit
Sinqia | Analista de BI (Agosto 2021 - Novembro 2021 | 4m)
- Execucao de processos ETL (Pentaho, SSIS, Power Query) de diversas fontes (APIs, bancos relacionais) com modelagem dimensional
- Tuning em bancos de dados SQL On-Premises e Azure SQL
- Documentacao e melhorias em processos de governanca de dados
- Camada semantica e ambiente Self-Service BI com Power BI e Tableau
- Implantacao de melhorias em sistemas Jira, Protheus, Salesforce com foco em KPIs
- Criacao de dashboards para acompanhamento de projetos (saving, SLAs, satisfacao)
Stack: Power BI, Tableau, SQL Server, SSIS, Pentaho, Power Query, Python
Axxin Data Intelligence | Analista de Dados (Marco 2020 - Julho 2021 | 1a 5m)
- Criacao de relatorios com SQL, MySQL, JQL
- Integracao de APIs e cruzamento de informacoes com sistemas internos e Receita Federal (importacao/exportacao)
- Refatoramento de dashboards Qlik View - Power BI
- Implementacao de ETL com Pentaho Data Integration e Power Query
- Mapeamento de requisitos para Data Marts e Data Warehouse
- Levantamento de requisitos com metodologias: Discovery, Design Thinking, Lean Inception, Scrum
- Melhorias de processo e automacao de obtencao de dados orientada ao usuario final
- Colaboracao com times de Ciencia de Dados e Aquisicao de Dados
Stack: SQL, MySQL, Oracle, Power BI, Tableau, Qlik View, Pentaho, Power Query, Python
Grupo Educacional UNIS | Assistente de TI (Setembro 2018 - Marco 2020 | 1a 7m)
- Manipulacao de dados com SGBD SQL Server
- Mapeamento de processos educacionais, financeiros, contabeis e workflow
- Geracao de analises e relatorios para niveis operacional, gerencial e executivo
- Integracao de layouts bancarios e empresas de cobranca
- Criacao de RM Reports e customizacao do ERP RM TOTVS
- Tuning de bancos de dados (Stored Procedures, Triggers, Functions)
- Parametrizacao e homologacao de releases do ERP RM TOTVS
- Projetos e rotinas de BI com Good Data e Power BI
Stack: SQL Server, RM TOTVS, Good Data, Power BI, T-SQL
FIT Networks Tecnologia em Informatica e Telecomunicacoes | Assistente de Telecomunicacoes (Janeiro 2017 - Setembro 2018 | 1a 9m)
- Suporte tecnico a infraestrutura de provedores de internet
- Preparacao de ambientes para treinamentos (baixa, media e alta complexidade)
- Analise de projetos de redes: FTTH, FTTX, FTTC
- Criacao de indicadores internos conforme ISO 9001
- Configuracoes de equipamentos: OLTs, ONUs, Switches, Roteadores Mikrotik, Servidores
- Apoio tecnico ao time comercial (pre-venda)
- Elaboracao e sustentacao de manuais tecnicos com LaTeX
- Sustentacao do sistema Protheus
Stack: Mikrotik, OLT/ONU, Switches, Protheus, LaTeX
Grupo Educacional UNIS | Auxiliar de Processos Academicos (Maio 2016 - Janeiro 2017 | 9m)
- Execucao de processos academicos e financeiros
- Analise de indicadores da central de servicos compartilhados
- Interacao com setores: atendimento, contabil, registro de diplomas
- Pesquisas por melhorias continuas dos processos educacionais
Grupo Educacional UNIS | Assistente Administrativo de TI (Abril 2015 - Maio 2016 | 1a 2m)
- Suporte interno aos usuarios
- Manutencao de hardwares, ramais, configuracoes VoIP e switches gerenciaveis
- Integracao de novos colaboradores com politicas de seguranca
- Projetos wireless: instalacao de access points Ubiquiti e Aerohive
- Projetos de cabeamento estruturado em todas as unidades
Grupo Educacional UNIS | Estagiario de TI (Agosto 2014 - Marco 2015 | 8m)
- Suporte interno ao usuario
- Gerenciamento de acessos: Active Directory, Servidores de Diretorio
- Manutencao de servidores e rotinas de backup
Cooper Standard | Jovem Aprendiz (Janeiro 2013 - Dezembro 2013 | 1a)
Conhecimentos Tecnicos
Cloud & Data Engineering
Banco de Dados
Orquestracao & Pipelines
Visualizacao & Analytics
Linguagens & Frameworks
DevOps & Infrastructure
Ferramentas & Plataformas
Arquitetura & Padroes
- Data Lakehouse (Medallion Architecture)
- Data Mesh patterns
- ETL/ELT/ELTL workflows
- CDC/CDF (Change Data Capture/Feed)
- Unity Catalog & Governance
- Self-Service BI
- Data Quality (Freshness, Integrity)
- Performance Optimization (Shuffle, Spill, Caching)
Certificacoes & Conquistas
Formacao Academica
| Nivel | Curso | Instituicao | Periodo | Status |
|---|---|---|---|---|
| MBA | Engenharia de Dados e Inteligencia Artificial | Xperiun | 2026 - 2027 | Em Curso |
| MBA | Business Intelligence & Analytics | Xperiun | 2025 - 2026 | Concluido |
| Pos-Grad | Modelagem em C&T | UNIFAL-MG & CEFET-MG | 2018 - 2020 | Concluido |
| Graduacao | Analise e Dev de Sistemas | UNIS | 2016 - 2018 | Honra ao Merito |
| Tecnico | Redes de Computadores | UNIS | 2014 - 2015 | Concluido |
| Prof. | Assistente Administrativo | UNIS | 2015 - 2016 | Concluido |
Sistemas & Plataformas
ERP & CRM:
- ERP Protheus | RM Totvs | Salesforce | ABADI/JDE
Atlassian Suite:
- Jira Service Desk | Jira Software | Jira Cloud
Outros Sistemas:
- Kenoby | Qulture Rocks | Siscomex | Mercante
Soft Skills
- Capacidade de atuacao em diversas frentes (Multitask)
- Pensamento critico
- Autonomia e criatividade
- Prazer em compartilhar conhecimento
Contatos & Redes Sociais
English
About Me
About Me
IT professional with 10+ years of experience, with 7+ years dedicated to Data Engineering in Cloud and On-Premises environments with focus on Microsoft Azure. Specialist in modern data architecture (Data Lakehouse, DataMesh, Medallion Architecture), distributed processing with Databricks and Spark (PySpark, SQL), and automation of scalable ETL/ELT pipelines, supporting high-performance solutions with corporate data governance.
Technical expertise:
- Modern data architecture (Data Lakehouse, Data Mesh, Medallion)
- Cloud data engineering with Azure, Databricks, Snowflake
- Distributed processing: Spark, PySpark, Apache Airflow
- Advanced orchestration: Azure Data Factory, Databricks Workflows, Airflow
- Relational and dimensional modeling for Data Warehouse
- Performance and cost optimization in Big Data environments
- Data governance: Unity Catalog, Data Mesh patterns
- DevOps & IaC: Terraform, Azure DevOps, CI/CD, GitHub
Goal
Architect and implement scalable data solutions with high performance and robust governance, transforming raw data into strategic business intelligence.
GitHub Statistics
Main Languages:
- Python | T-SQL | PySpark | SQL | DAX | Power Query
Check my portfolio: github.com/AfonsoFeliciano
Professional Experience
NTT DATA Europe & Latam | Data Engineer (December 2022 - Present | 3y 3m)
Architecture & Migration:
- Executed strategic infrastructure migration between Azure Tenants, consolidating complex ecosystems (ADF, dbt, Snowflake, Airflow) to Azure Databricks
- Implemented and sustained Unity Catalog ensuring governance, availability, and security in Data Mesh architecture
Performance & Cost Optimization:
- Achieved 95% reduction in processing time through advanced optimization techniques (Shuffle, Spill, Caching)
- 70% reduction in compute costs + 45% additional savings via intelligent Cluster Sizing
Pipeline Engineering (ETL/ELT/ELTL):
- Developed large-scale ingestion flows for Medallion Architecture handling relational and non-relational data (MongoDB, Neo4J, Postgres)
- Implemented patterns with Spark (PySpark/SQL) and frameworks like Auto Loader
Streaming & Messaging:
- Built real-time ingestion processes with Kafka, Event Hub, RabbitMQ
- Applied CDC/CDF patterns for data integrity in complex scenarios
Infrastructure as Code & DevOps:
- Terraform scripts for infrastructure automation
- CI/CD pipelines in Azure DevOps for automated schema, volume, and configuration deployments
Data Quality & Governance:
- Quality KPIs (Freshness, Integrity) with governance dashboards (lvdash)
- Cost and failure monitoring automation via Power Automate and Webhooks (Teams/Slack)
Mentoring & Documentation:
- Technical upskilling through interview case evaluations
- Technical documentation in Confluence
- Support for Azure and Databricks certification campaigns
Stack: Databricks, Python, PySpark/Spark SQL, Azure Data Factory, Power BI, Azure DevOps, Kafka/Event Hub/RabbitMQ, CosmosDB, MongoDB, REST APIs
Radix Engenharia e Software | Data Engineer (November 2021 - December 2022 | 1y 2m)
- Collaboration on requirements specification and big data architecture environment design
- ETL/ELT pipeline execution: Data Factory, Databricks, Synapse Analytics, Azure DevOps
- On-premise to cloud migration with layered storage: Raw, Trusted, Refined, Serving
- Spark (PySpark/SparkSQL) processing with dimensional modeling
- Self-Service BI improvements with Analysis Services, Tabular Studio, ALM Toolkit, Dax Studio, Bravo for Power BI
Stack: Azure Data Factory, Azure Data Lake Storage Gen2, Azure Databricks, Azure Synapse, Azure SQL Database, Azure DevOps, Azure Analysis Services, Power BI, Dax Studio
Sinqia | BI Analyst (August 2021 - November 2021 | 4m)
- ETL process execution (Pentaho, SSIS, Power Query) from various sources (APIs, relational databases) with dimensional modeling
- SQL On-Premises and Azure SQL tuning
- Data governance documentation and improvements
- Semantic layer and Self-Service BI environment with Power BI and Tableau
- System improvements in Jira, Protheus, Salesforce with KPI focus
- Dashboard creation for project tracking (savings, SLAs, satisfaction)
Stack: Power BI, Tableau, SQL Server, SSIS, Pentaho, Power Query, Python
Axxin Data Intelligence | Data Analyst (March 2020 - July 2021 | 1y 5m)
- Report creation with SQL, MySQL, JQL
- API integration and data correlation with internal systems and Federal Revenue (import/export)
- Dashboard refactoring Qlik View - Power BI
- ETL implementation with Pentaho Data Integration and Power Query
- Data Marts and Data Warehouse requirements mapping
- Requirements gathering with methodologies: Discovery, Design Thinking, Lean Inception, Scrum
- Process improvements and user-focused data automation
- Collaboration with Data Science and Data Acquisition teams
Stack: SQL, MySQL, Oracle, Power BI, Tableau, Qlik View, Pentaho, Power Query, Python
Grupo Educacional UNIS | IT Assistant (September 2018 - March 2020 | 1y 7m)
- Data manipulation with SQL Server SGBD
- Educational, financial, accounting, and workflow process mapping
- Report generation for operational, managerial, and executive levels
- Banking and collection company integration
- RM Reports creation and RM TOTVS ERP customization
- Database tuning (Stored Procedures, Triggers, Functions)
- ERP RM TOTVS parametrization and release homologation
- BI projects with Good Data and Power BI
Stack: SQL Server, RM TOTVS, Good Data, Power BI, T-SQL
FIT Networks Tecnologia em Informatica e Telecomunicacoes | Telecom Assistant (January 2017 - September 2018 | 1y 9m)
- Technical support for Internet Provider infrastructure
- Environment preparation for trainings (low, medium, and high complexity)
- Network project analysis: FTTH, FTTX, FTTC
- Internal indicator creation per ISO 9001
- Equipment configuration: OLTs, ONUs, Switches, Mikrotik Routers, Servers
- Commercial team technical support (pre-sales)
- Technical manual elaboration with LaTeX
- Protheus system support
Stack: Mikrotik, OLT/ONU, Switches, Protheus, LaTeX
Grupo Educacional UNIS | Academic Processes Assistant (May 2016 - January 2017 | 9m)
- Academic and financial process execution
- Shared services center indicators analysis
- Interaction with: customer service, accounting, diploma registration sectors
- Continuous process improvement research
Grupo Educacional UNIS | IT Administrative Assistant (April 2015 - May 2016 | 1y 2m)
- Internal user support
- Hardware maintenance, phone configuration, VoIP, and manageable switches
- New employee integration with security policies
- Wireless projects: Ubiquiti and Aerohive access point installation
- Structured cabling projects across all units
Grupo Educacional UNIS | IT Intern (August 2014 - March 2015 | 8m)
- Internal user support
- Access management: Active Directory, Directory Servers
- Server maintenance and backup routines
Cooper Standard | Apprentice (January 2013 - December 2013 | 1y)
Technical Skills
Cloud & Big Data
Databases
Visualization & Analytics
Tools & Platforms
Certifications & Achievements
Databricks Certified
Microsoft Certified
Other Certifications
Systems & Platforms
ERP & CRM:
- ERP Protheus | RM Totvs | Salesforce | ABADI/JDE
Atlassian Suite:
- Jira Service Desk | Jira Software | Jira Cloud
Other Systems:
- Kenoby | Qulture Rocks | Siscomex | Mercante
Academic Background
| Level | Course | Institution | Period | Status |
|---|---|---|---|---|
| MBA | Data Engineering & Artificial Intelligence | Xperiun | 2026 - 2027 | In Progress |
| MBA | Business Intelligence & Analytics | Xperiun | 2025 - 2026 | Completed |
| Post-Grad | Scientific & Technological Modeling | UNIFAL-MG & CEFET-MG | 2018 - 2020 | Completed |
| Bachelor | Systems Analysis & Development | UNIS | 2016 - 2018 | Merit Award |
| Technical | Computer Networks | UNIS | 2014 - 2015 | Completed |
| Prof. | Administrative Assistant | UNIS | 2015 - 2016 | Completed |
Soft Skills
- Multitasking ability
- Critical thinking
- Autonomy and creativity
- Knowledge sharing passion
Contact & Social Media
Implementation Checklist
- Modern layout defined (sections, icons, badges, colors)
- Professional experiences highlighted
- Technical skills listed
- Bilingual sections created (Portuguese & English)
- Language switcher implemented
- Badges and shields added
- Professional profiles linked
- Additional certifications to be documented
- Custom projects section (coming soon)
- Blog/Articles section (coming soon)
Currently Exploring
- Advanced Azure Data Engineering patterns
- Databricks Delta Lake optimization
- AI/ML integration in data pipelines
- Cloud-native architecture design
Let's collaborate! Feel free to reach out!
Last updated: February 22, 2026