I am a Data Engineer with a strong background in data engineering, integrations, analytics, and enterprise systems. I design and support production ETL/ELT pipelines using Python, SQL, PySpark, Apache Spark, AWS, and Azure, with hands-on experience in cloud data platforms, data lakes, APIs, incremental processing, data quality, and production troubleshooting. I enjoy working across technical and business teams to turn requirements into reliable data solutions. I am experienced in building scalable pipelines, improving data quality, investigating incidents, and documenting processes in Agile enterprise environments. I hold multiple AWS certifications, including AWS Certified Data Engineer – Associate.

Tiago Marques Pereira

I am a Data Engineer with a strong background in data engineering, integrations, analytics, and enterprise systems. I design and support production ETL/ELT pipelines using Python, SQL, PySpark, Apache Spark, AWS, and Azure, with hands-on experience in cloud data platforms, data lakes, APIs, incremental processing, data quality, and production troubleshooting. I enjoy working across technical and business teams to turn requirements into reliable data solutions. I am experienced in building scalable pipelines, improving data quality, investigating incidents, and documenting processes in Agile enterprise environments. I hold multiple AWS certifications, including AWS Certified Data Engineer – Associate.

Available to hire

I am a Data Engineer with a strong background in data engineering, integrations, analytics, and enterprise systems. I design and support production ETL/ELT pipelines using Python, SQL, PySpark, Apache Spark, AWS, and Azure, with hands-on experience in cloud data platforms, data lakes, APIs, incremental processing, data quality, and production troubleshooting.

I enjoy working across technical and business teams to turn requirements into reliable data solutions. I am experienced in building scalable pipelines, improving data quality, investigating incidents, and documenting processes in Agile enterprise environments. I hold multiple AWS certifications, including AWS Certified Data Engineer – Associate.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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Language

Portuguese
Fluent
English
Advanced
Spanish; Castilian
Intermediate

Work Experience

Data Engineer at Renova Consulting Group
July 1, 2026 - Present
Design, develop, and maintain scalable production data pipelines using PySpark, Apache Spark, SQL, Azure Databricks, and Azure Data Factory. Build ETL/ELT workflows integrating REST APIs, SFTP, CRM platforms, files, and enterprise systems. Develop incremental ingestion and transformation processes within layered Delta Lake architecture, applying validation, standardization, and business rules. Design monitored workflows with dependency management, failure handling, and reprocessing procedures. Implement data quality controls, investigate production incidents, perform root cause analysis, and optimize SQL and Spark transformations for large-scale processing. Document architectures, data flows, dependencies, and operational procedures while working with Git, Azure DevOps, and Jira in Agile environments.
Data Engineer at Stefanini
October 1, 2025 - July 1, 2026
Built and maintained cloud-based data pipelines and integrations using Python, SQL, and AWS services. Developed ingestion and transformation workflows using Amazon S3 as a data storage layer, and worked with AWS Glue and Athena for processing, cataloging, querying, and analytics. Created Python-based automation and serverless processing with AWS Lambda. Used Amazon Redshift for analytical storage, transformation, and querying. Integrated data from APIs, PostgreSQL databases, and cloud services into analytical environments. Implemented data validation, monitoring, and troubleshooting processes to improve pipeline reliability.
IT Business Analyst (Analytics) at Getronics
January 1, 2023 - April 1, 2025
Gathered, documented, and translated business requirements into data-driven solutions in collaboration with stakeholders and SAP development teams. Defined, monitored, and analyzed business and operational KPIs to support strategic decision-making. Validated datasets, dashboards, and reports for accuracy, consistency, and business alignment. Supported reporting improvements, data quality initiatives, User Acceptance Testing, and Agile/Scrum delivery activities.
IT Business Analyst at ExamRoom.AI
May 1, 2022 - December 1, 2022
Collaborated with U.S.-based stakeholders to gather, document, and prioritize business and analytics requirements. Validated reporting outputs, dashboards, and datasets to ensure accuracy and business compliance. Supported data-driven initiatives through requirements analysis, process documentation, and UAT activities. Acted as a bridge between business users and technical teams to facilitate communication and delivery alignment.
IT Business Analyst at Dootax
November 1, 2021 - May 1, 2022
Defined business requirements and functional specifications for data integrations and system enhancements. Performed SQL-based analysis to support KPI monitoring, reporting, and operational decision-making. Documented APIs, integrations, and cloud-based services to ensure process transparency and governance. Collaborated with product, engineering, and business teams to improve operational efficiency and data accessibility in Agile environments.
Junior Software Quality Analyst at Dootax
August 1, 2020 - November 1, 2021
Planned and executed functional and integration tests for APIs and microservices. Validated business rules, data consistency, and reporting scenarios across multiple systems. Identified and documented defects, contributing to process reliability and data accuracy. Collaborated with development teams to ensure solution quality and successful releases.
Technical Support Analyst at Dootax
July 1, 2019 - August 1, 2020
Investigated and resolved technical and data-related issues using SQL queries and system analysis. Performed data validation and troubleshooting across enterprise applications. Worked with XML and JSON structures to support integrations and issue resolution. Collaborated with internal teams to improve operational efficiency and customer support processes.

Education

Technologist in Information Technology Management at USCS – Universidade Municipal de São Caetano do Sul
January 1, 2018 - July 1, 2020

Qualifications

AWS Certified Solutions Architect – Associate
January 11, 2030 - August 26, 2026
AWS Certified Data Engineer – Associate
January 11, 2030 - August 26, 2026
AWS Certified Machine Learning Engineer – Associate
January 11, 2030 - August 26, 2026
AWS Certified AI Practitioner
January 11, 2030 - August 26, 2026
AWS Certified Cloud Practitioner
January 11, 2030 - August 26, 2026
Databricks Certified Data Engineer Associate
January 11, 2030 - August 26, 2026

Industry Experience

Computers & Electronics, Software & Internet, Professional Services