Senior Data Engineer | Database Specialist | Cloud Infrastructure Expert

🏢 Currently working at @iclinic (Afya) since June 2024 as Database Engineer
📍 São Paulo, Brazil
🌍 International experience across Brazil, Portugal, Spain, and Austria

• About Me
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Distinguished senior Information Systems professional with 15+ years of experience orchestrating mission-critical data infrastructure and driving innovation across organizations. I specialize in database management, cloud computing, and data engineering, with a proven track record of delivering transformative results that align technology solutions with business goals.

My journey spans from IBM-certified DB2 specialist to modern data engineering, bridging traditional database administration with cutting-edge cloud-native solutions.

Data Engineering & Analytics:

• Orchestration: Apache Airflow, dbt (data build tool)
• Data Warehousing: Amazon Redshift → migrating to Databricks Delta Lake
• ETL/ELT: Stitch, AWS DMS, custom Python pipelines
• Programming: Python 3, SQL, Shell Scripting

Cloud & Infrastructure:

• AWS: RDS Aurora, DMS, comprehensive AWS toolkit
• Infrastructure as Code: Terraform
• Containerization: Docker, Kubernetes
• CI/CD: GitHub Actions
• Monitoring: Datadog, Zabbix, Grafana, Elasticsearch

Databases (Expert Level):

• IBM DB2 (Certified DBA - 15+ years)
• Amazon Redshift
• PostgreSQL, MySQL, SQL Server
• MongoDB

• Data Architecture & Modeling (Bronze/Silver/Gold layers)
• Database Performance Optimization
• High Availability & Disaster Recovery
• Cloud Migration Strategies
• DevOps & Automation
• Team Leadership & Knowledge Transfer
• Agile/Scrum Methodologies

• Advanced Databricks & PySpark
• Modern Data Stack Architectures
• ML Engineering Pipelines
• Data Mesh Concepts

• Architecting data pipelines on Redshift with dbt orchestration
• Managing ETL processes across medical solutions (iClinic, Whitebook)
• Leading migration from Redshift to Databricks Delta Lake
• Implementing AWS DMS migration solutions with Terraform

• Sr. Cloud Engineer @ Avanade (2024) - Multi-database support across AWS/Azure
• Database Migration Specialist @ INDRA Spain (2021-2023) - DB2 Mainframe to LUW migrations
• International Remote Experience - Austria, Portugal, Spain

• 8 years at IBM - from intern to Software Engineer
• IBM Certified Database Administrator - DB2 9 for Linux/UNIX/Windows
• IBM Excellence Awards (2013) - Teamwork and Technical Excellence
• Enterprise clients: Morgan Stanley, Banco do Brasil, Superior Court of Justice
• PureScale expertise - achieving 40% performance improvements

2024-Present  │ Sr. Data Engineer @ Afya/iClinic
2024         │ Sr. Cloud Engineer @ Avanade
2021-2023    │ Database Administrator @ INDRA (Spain)
2019-2020    │ Database Administrator @ SOFTINSA (Portugal)
2017-2018    │ DB2 DBA @ TIVIT Brasil
2011-2016    │ Software Engineer @ IBM Brasil
2009-2011    │ Database Administrator @ IBM Brasil
2008-2009    │ DBA Intern @ IBM Brasil

Education:

• Bachelor's in Data Science - FATEC (2025-2027)
• Bachelor's in Information Sciences - Anhanguera Educacional (2008-2011)

Certifications:

• IBM Certified Database Administrator - DB2 9 DBA for Linux/UNIX/Windows
• IBM Certified Database Associate - DB2 9 Fundamentals
• AWS Cloud Practitioner Essentials
• Kepner-Tregoe Resolve

I believe in bridging technical excellence with business value, creating robust, scalable solutions that drive competitive advantage. My approach combines deep technical expertise with strategic thinking, always focusing on:

• 🎯 Business-aligned solutions
• 📊 Data-driven decision making
• 🔄 Continuous improvement
• 👥 Knowledge sharing & team growth
• 🛡️ Security & reliability first

• 📧 Email: maira.melo26@gmail.com
• 💼 LinkedIn: linkedin.com/in/mairamelo26

"Transforming data into insights, infrastructure into innovation." ✨