Lemuel S Araújo
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Data Science and Business Analytics
Cuiabá, Mato Grosso, Brazil
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Résumé
Jobs
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- DData EngineerFeb 2024 - Current (2 years 8 months)At Caplight, I work across data engineering, automation, and data quality to support our secondary-market operations and investor-analytics ecosystem. My role involves building and maintaining data pipelines, integrating LLM-augmented ingestion workflows, improving entity resolution and deduplication, and developing internal tools that help the company deliver reliable and well-structured datasets. Before stepping into more engineering-heavy responsibilities, I supported backoffice operations through data quality reviews, analytical model validation, scraping workflows, OCR processing, and general dataset cleanup. That experience gave me a strong foundation and eventually led me to focus on scalable ingestion systems, validating complex inv
Data & AI EngineerGold Media TechFeb 2024 - Current (2 years 8 months)Navigating internal and external data, I work across data engineering, automation, and business analytics to support operational and strategic decision-making. With experience in API integrations, data manipulation, LLM-augmented workflows, and visualization, I study business scenarios to design feasible and scalable solutions. From automating processes to increasing data reliability and reducing operational overhead, my work focuses on optimizing performance and delivering tangible value across teams.- DData AnalystOct 2023 - Jan 2024 (4 months)I collaborated on the restructuring of legacy data into a new analytical model using OLAP cubes, enabling enhanced analysis of LTV indicators and key performance metrics (KPIs).
- English TeacherCNA Idiomas | OficialFeb 2023 - Jul 2023 (6 months)English teacher for basic and advanced classes.
- WWeb DeveloperDec 2022 - Nov 2023 (1 year)Full stack web developing with JS/TS, Node, Nest.js, Prisma, GraphQL, MySQL, React and Next.js.
- TTechnical Level TeacherJun 2022 - Nov 2022 (6 months)Technical level teacher of Administrative Assistant and Basic Computing/ Microsoft Office.
- TTechnological Extension Scholarship Holder and Researcher in Data AnalyticsAug 2021 - Jul 2023 (2 years)
Education
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- FGV - Fundação Getulio Vargas — Master of Business Administration - MBA Business Analytics and Big DataFGV - Fundação Getúlio VargasJan 2024 - Dec 2025 (2 years)Executive MBA in Business Analytics and Big Data at FGV, is focused on advanced data analysis for business solutions. The program covers topics such as time series analysis, text mining, statistical modeling, and managerial control, along with tools like distributed databases and data visualization. It develops skills in analytical techniques, predictive analysis, and Big Data management, enabling the creation of strategic insights from large data volumes.
- UUniversidade do Estado de Mato Grosso Carlos Alberto Reyes Maldonado (Unemat) — Bachelor's degree Data Science/AnalyticsJan 2019 - Dec 2024 (6 years)Computer Science graduate with a comprehensive background in algorithms, data structures, programming, and computing fundamentals. The program emphasized applied statistics, differential and integral calculus, machine learning, database management, data visualization, and programming logic. During my studies, I worked on scientific projects and internships focused on data analysis, applying mathematical and computational concepts to derive insights and support strategic decision-making.