Roberta Nascimento Email & Phone Number

Sydney, New South Wales, Australia

Sydney, New South Wales, Australia

I’m undertaking a dynamic role as a Data Engineer, encompassing a variety of tasks and accomplishments. I’m responsible for the end-to-end development of efficient data pipelines, extracting, transforming, and loading data from diverse sources into structured formats for analysis. This role involved designing and managing databases, ensuring optimal performance and schema integrity. Collaborating extensively, I work closely with cross-functional teams to understand data requirements, resulting in streamlined data integration processes. Furthermore, I take charge of automating data-related tasks, enhancing operational efficiency, and actively monitored and optimized pipelines for performance and scalability. By contributing to data quality initiatives and implementing stringent security measures, I uphold data integrity and compliance standards. Documenting processes and staying updated with emerging trends showcased my commitment to maintaining a robust and cutting-edge data ecosystem.Tech stack: GCP | BigQuery | Composer | AirFlow | Google Cloud Functions | Python | Excel | Tableau | PowerBi | Amazon RedShift | Amazon S3

Greater Sydney Area

Tech stack: SQL Server 2016 | SQL Server Profile | SQL Tuning | Teams Foundation Server(Source Code Control) | PowerBuilder | PFS-Paxus

Sydney, New South Wales, Australia

Tech stack: SQL Server 2016 | SSIS | Microsoft Access | Tableau

Tech stack: Teradata | GCFR framework | GCP | BigQuery | AirFlow | Composer | PostgresSQL | QlikView | Shell Script | Perl Script | Python Script | Linux | Control-M

Jundiaí

Tech stack: Oracle | QlikView | BusinessObject(SAP) | Web Intelligence | Desktop Intelligence | Xcelsius | Pentaho | Erwin data modeling | Shell Script |

São Paulo E Região, Brasil

Tech stack: Teradata | SQL Server 2005 | Oracle | Microsoft Access | Excel | SSRS | SSIS| Erwin data modeling | Linux

São Paulo E Região, Brasil

Project: Query optimization Objective/Outcome: Elevate the user experience of public school teachers on the Moodle learning platform. This endeavor necessitated the implementation of critical enhancements, including precision indexing of tables, optimization of the database's relationship architecture, and fine-tuning of stored procedures, functions, and triggers. The result was a significantly improved and streamlined educational interface.Key ResponsibilitiesI undertook a continuous pursuit of resource and technical enhancements to ensure both information availability and reliability. I was actively engaged in the development and maintenance of an array of data manipulation elements, including queries, Stored Procedures, Functions, Triggers, and Views. Furthermore, I played a key role in creating and sustaining reporting systems utilizing Crystal Reports, enhancing data visualization.A critical aspect of my responsibilities involved meticulous testing of all reports and scripts before compilation, ensuring their accuracy and effectiveness. I also took charge of the maintenance and administration of databases, optimizing query performance through job management. My commitment to adhering to best practices was evident in the development of scripts that supported the database's efficiency.I proficiently managed the import and export of data, contributing to the seamless flow of information. Additionally, I contributed to the effectiveness of data organization and accessibility by participating in data modeling initiatives. This comprehensive approach collectively contributed to the robustness and efficiency of data operations.Tech stack: SQL Server 2005/2008 | SQL Server Profile | SQL Tuning | Moodle | Crystal Reports | Microsoft Access

São Paulo E Região, Brasil

Project: Query optimization Objective/Outcome: Achieve a 50% reduction in ETL processing time by implementing efficient indexing, optimizing tables, thoroughly documenting all queries, and ensuring rigorous testing of all stored procedures and functions prior to their deployment to the production environment.Key ResponsibilitiesDuring the time with Tivit, I excelled in developing efficient and effective Stored Procedures and queries, catering to precise data retrieval and manipulation needs. My role involved implementing advanced tuning techniques, including indexing and query optimization, which resulted in significant efficiency gains. I consistently ensured the adherence to best practices for optimal query performance.In addition, I played a pivotal role in maintaining database server performance and health through diligent monitoring practices. Collaborating seamlessly with relevant teams, I skillfully facilitated the analysis, planning, and successful execution of changes to existing routines. This strategic approach significantly improved operational efficiency while minimizing any potential disruptions.My responsibilities extended to verifying the integrity of backups and skillfully managing user access, ensuring data security and reliability. Through a holistic approach that combined technical prowess and collaboration, I contributed to a seamless and efficient data management environment during my tenure at Tivit.Tech stack: SQL Server 2000/2005 | SQL Server Profile | Data Transformation Services (DTS) | SQL Tuning | Jira | Excel

Diploma, Project Management

Advanced Diploma, Leadership And Management

Tableau Training For Data Science, Data Science

Learn data visualization through Tableau 10 and create opportunities for you or key decision makers to discover data patterns such.

Master Of Business Administration - Mba, Business Administration And Management, General

Bachelor'S Degree, Computer Science