Stefania Aina

Available to hire

Language

Portuguese
Fluent
English
Fluent
Spanish; Castilian
Advanced

Work Experience

Senior Data Engineer at Bayer Crop Science (via MTP Consultoria)
January 1, 2024 - December 31, 2025
Led production of end-to-end data pipelines across raw, staging, and curated layers with governance, observability, and traceability. Designed and deployed a semantic layer and data models to support digital farming initiatives; built CARLOTA, an irrigation-recommendation system powered by satellite and sensor data; migrated legacy workflows to modern multi-cloud architectures (GCP + AWS); produced real-time insights and dashboards to drive business decisions and cost efficiency; collaborated across engineering, science, and product teams to deliver scalable, business-focused data solutions.
Data Scientist at GoBots AI Startup
January 1, 2020 - December 31, 2022
Founded and led data-science initiatives; built automated reporting and dashboards (Metabase, Power BI); migrated legacy workflows to modern cloud-native pipelines; translated business needs into data-driven solutions for major retailers; contributed to the startup’s data strategy and growth.
Data Scientist at Bayer Crop Science (via MTP Consultoria)
January 1, 2024 - December 31, 2025
Spearheaded digital farming initiatives and cloud-native data pipelines; implemented the NEW VALORA crop-prescription program; integrated satellite and sensor data into a production-ready cloud solution; led end-to-end data architecture, governance, and analytics leveraging Python, PySpark, SQL, Azure Data Factory, Databricks, and BigQuery; deployed dashboards and governance across ERP and field data.
Data Scientist at GoBots - AI Startup
January 1, 2020 - December 31, 2022
Led end-to-end data engineering and analytics; migrated to multi-cloud architecture (GCP + AWS); built automated ETL/ELT pipelines across raw, staging, process, and curated layers; established governance, observability, and traceability; developed real-time dashboards and analytics for product, sales, and operations; collaborated across engineering, science, and product teams.
Data Engineer at Grupo Salt a Educação
January 1, 2022 - December 31, 2023
Spearheaded ingestion of complex data from multiple business systems (HR, OKRs, Finance, Trello); designed and implemented robust ETL pipelines; built a cloud-based data platform; automated financial and operational reporting; established governance, observability, and data quality controls; delivered Power BI dashboards and analytics for executives; reduced manual reporting by automating processes; founded and led the data team and analytics workflows.

Education

Bachelor of Agricultural Engineering at State University of Campinas (UNICAMP)
January 1, 2014 - January 1, 2022
Agricultural Engineering at UNICAMP (State University of Campinas)
January 1, 2014 - December 31, 2022

Qualifications

Certificate of studies: Digital Agriculture
September 1, 2015 - November 30, 2021

Industry Experience

Agriculture & Mining, Software & Internet, Professional Services, Manufacturing, Education, Life Sciences