osilvahudson

Senior Data Engineer

Senior Data Engineer with over 8 years of experience in data engineering and solution architecture for Big Data, data lakes, and cloud computing (AWS, Azure, GCP). Extensive
experience with Snowflake, Databricks, and Spark, optimizing data pipelines and storage scalability to achieve significant improvements in efficiency and processing speed. Proven expertise in technical leadership and data strategy implementation, resulting in cost reductions exceeding 50% and productivity gains of up to 5x. Driven to transform data into valuable insights and collaborate with teams to develop robust, scalable data solutions.





Experience: 8 years

Yearly salary: $96,000

Hourly rate: $45

Nationality: 🇧🇷 Brazil

Residency: 🇧🇷 Brazil


Experience

DataOps Engineer
BEES
2023 - 2024
1. Project: B2B digital platform connecting retailers and suppliers, streamlining orders and deliveries with innovative business tools. It operates in over 28 countries. 2. Main Achievements * Resolved performance issues in Azure and Databricks, reducing response time by 30%. * Gathered requirements with business teams, improving data accuracy by 25%. * Optimized data pipelines in MongoDB, reducing processing time by 20%. * Optimized pipelines in Databricks and Snowflake, increasing efficiency by 40% and reducing costs by 15%. 3. Tech stack Azure (Data Lake, Data Factory, Databricks) | Snowflake | DBT | Power BI | MongoDB | Jira | Python | SQL | Scala
Senior Data Engineer
Vale
2023 - 2023
1. Project: Global mining leader, focusing on iron, nickel, and copper production with a commitment to sustainability. 2. Main Achievements * Implemented a Data Warehouse on Snowflake and automated transformations with DBT, improving query performance by 40%. * Improved data quality by 15% by developing dimensional data models. * Automated data pipelines with CI/CD on Azure, reducing integration time by 30%. * Enhanced business alignment by translating requirements into technical solutions, boosting efficiency by 20%. * Managed data infrastructure with over 150 TB of data processed daily. 3. Tech stack Azure (Data Lake, Data Factory, Databricks, DevOps) | Snowflake | DBT | CI/CD | Data Modeling | Terraform | Power BI | Business Analysis | Python | SQL | Scala
Senior Data Engineer (GCP)
Semantix
2022 - 2023
1. Project: Brazilian startup specializing in Big Data, Internet of Things, Artificial Intelligence and Data Analytics solutions listed on Nasdaq valued at US$ 1 billion. 2. Main Achievements * Evaluated and tested new features of the Semantix data platform, increasing feature adoption by 30%. * Used GCP and tools such as Hive and Trino to optimize queries, resulting in performance improvements of 25%. * Introduced Kubernetes for container orchestration, reducing deployment time by 40%. * Led the evaluation and adoption of new data technologies, enhancing data engineering capabilities and improving overall system performance by 40%. 3. Tech stack Google Cloud Platform (Storage, Dataflow, Composer, Google Kubernetes Engine, BigQuery, Dataproc) | Python | Spark | Snowflake | Scala | SQL | Airflow | Kafka | DBT | Hive | Trino | Hadoop | Agile Methodology (Scrum) | DataHub Data Catalog | Open Metadata | Erwin Data Modeler | Talend Open Studio
Senior Data Engineer (Azure) - Temporary Contract
Cyrela
2022 - 2022
1. Project: Brazil's largest construction and real estate company. 2. Main Achievements * Orchestrated the migration of the data pipeline from Python Pandas to PySpark, reducing processing time by 40%. * Leveraged Azure services for scalable cloud solutions, eliminating bottlenecks and increasing productivity by 30%. * Reduced data latency by over 50% by optimizing cloud infrastructure. 3. Tech stack Azure (Data Lake Storage, Data Factory, Synapse Analytics, AKS, Azure DevOps) | Python | Spark | SQL Server | Power BI | CI/CD Pipelines | Airflow | Docker | Hadoop | Scala | SSIS | SSMS | Business/Data Analysis | Erwin Data Modeler | Sharepoint | SQL
Data Architect
Paschoalotto
2020 - 2021
1. Project: Operated in credit recovery and customer service, as well as outsourcing business processes. 2. Main Achievements * Developed a scalable architecture, supporting data growth of 200% without loss of performance. * Reduced storage costs by 30% with optimization and compression in the data lake. * Led the migration to the cloud, reducing queries by 50% and facilitating real-time access. * Implemented data governance policies and security processes, ensuring compliance with GDPR and LGPD, improving data security and integrity by 30%. * Established data quality assurance processes, improving data accuracy and consistency by 25% and reducing integration errors by 40%. 3. Tech stack Azure (Data Lake Storage, Data Factory, Synapse Analytics, AKS, Azure DevOps) | Python | Spark | SQL Server | Power BI | CI/CD Pipelines | Airflow | Docker | Hadoop | Scala | SSIS | SSMS | SSAS | Business/Data Analysis| Erwin Data Modeler | Sharepoint
Lead Data Engineer (AWS)
Fundação Renova
2019 - 2020
1. Project: Entity maintained by the companies Samarco, BHP Billiton and Vale, responsible for mobilizing to repair the damage caused by the rupture of the Fundão dam, in Mariana (MG/Brazil). 2. Main Achievements * Developed data architecture on AWS, increasing productivity and reducing response time by 500%. * Aligned requirements across 5 systems using AWS, Kafka, and PostgreSQL. * Led a team of 4 engineers, managing agile projects and ensuring on-time deliveries. * Enhanced data security by implementing encryption at rest and in transit. * Boosted productivity by 20% by mentoring junior engineers. * Processed high-volume data streams by implementing real-time data architecture with Apache Kafka. * Achieved 99.9% data accuracy by utilizing automated validation processes in data pipelines. 3. Tech stack AWS (S3, EC2, Redshift, Glue, QuickSight, RDS, EMR) | Python | Spark (Scala, PySpark) | PostgreSQL | Kafka | Hadoop | CI/CD Pipelines | Talend Open Studio | Pentaho Data Integration | Git | API’s | Erwin Data Modeler | Agile Methodology (Scrum)

Skills

big-data
scala
sql
python
english
portuguese