VITOR LEANDRO DOS SANTOS SILVA
São Paulo
Summary
ETL Developer and Database Engineer with 6+ years of experience designing, optimizing, and maintaining large-scale data processing systems. Strong expertise in SQL Server, ETL processes, T-SQL performance tuning, schema design, and data modeling. Experienced in Python for automation and ETL, and Azure Data Services (ADF, Data Lake, Queues). Adept at improving processing times, rebuilding indexes, and modernizing data architectures. Dynamic Database Developer with extensive experience in database design and query tuning. Known for optimizing high-volume ETL processes and resolving performance issues, contributing to reliable and efficient data pipelines that support business goals.
Overview
7
7
years of professional experience
Work History
Database Developer
Cyncly
05.2022 - Current
- Lead developer responsible for full lifecycle database engineering, including stored procedures, views, triggers, schema changes, indexing strategies, table design, and performance optimization.
- Designed and maintained ETL processes supporting high-volume data ingestion and transformation.
- Improved performance and stability by identifying bottlenecks, optimizing queries, and applying resource-efficient modeling.
- Performed troubleshooting, debugging, and resolution of database performance issues.
- Created technical documentation, SOPs, and data governance guidelines.
- Collaborated with cross-functional teams to ensure reliability and efficiency of production data pipelines.
SQL Server Database Administrator
Orbium
01.2021 - 05.2022
- Optimized SQL Server environments through performance tuning, index maintenance, and query optimization.
- Ensured high availability, scalability, and secure data storage solutions.
- Reviewed SQL code and recommended improvements to reduce execution time and resource consumption.
SQL Developer
Orbium
08.2020 - 05.2022
- Developed SQL databases, stored procedures, views, and reporting queries.
- Built T-SQL scripts used for Crystal Reports and Pentaho BI integrations.
- Designed performant data structures and access methods for large transactional systems.
Data Analyst & Support
Orbium
06.2019 - 08.2020
- Analyzed large datasets to extract insights and support business decision-making.
- Built dashboards and analytical reports to communicate trends and KPIs.
- Maintained database tables, dictionaries, and structures to ensure data integrity.
- Provided client support for application functionality and data-related issues.
Education
Advanced English - English
Embassy English NZ
Auckland, New Zealand09-2018
High School Diploma -
ETEC Horacio Augusto Silveira
11-2017
Course - Electronics Technician
ETEC Horacio Augusto Da Silveira
São Paulo, Brazil11-2017
Skills
- ETL
- SSIS
- Data Warehousing
- Data Modeling
- SQL Server
- T-SQL Advanced
- Azure Data Factory
- Azure Data Lake
- Python
- Performance tuning
- Optimization of large datasets
- Database design
- ETL processes
- Performance optimization
- Data modeling
- Query tuning
- Problem solving
Languages
- Portuguese, Native
- English, Fluent
Timeline
Database Developer
Cyncly
05.2022 - Current
SQL Server Database Administrator
Orbium
01.2021 - 05.2022
SQL Developer
Orbium
08.2020 - 05.2022
Data Analyst & Support
Orbium
06.2019 - 08.2020
Advanced English - English
Embassy English NZ
High School Diploma -
ETEC Horacio Augusto Silveira
Course - Electronics Technician
ETEC Horacio Augusto Da Silveira