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Work Background
UnlimitailData Scientist – Retail Media & Advanced Analytics
Nov. 2025São Paulo, São Paulo, Brazil
UnlimitailTech & Data Specialist
Dec. 2023 - Dec. 2025São Paulo, São Paulo, Brasil- As a Data Specialist, I was responsible for the complete implementation of the data area in a retail media company, from conception to the delivery of advanced solutions. I led the creation of a robust data architecture environment, with a focus on scalability and governance, ensuring a solid foundation for large-scale data processing. - I directed data modeling and developed efficient pipelines for the ingestion, transformation, and storage of large volumes of information. These solutions powered dashboards, automated reports, and analytical tools used by both internal and external clients. - I developed insight-driven solutions for the retail media sales and operations teams, providing a strategic view to optimize sponsored product campaigns and banners in e-commerce. Additionally, I implemented suggested search term databases and automated product catalogs, optimizing the campaign creation process and maximizing advertisers’ ROI. - Furthermore, I created automated data flows for generating detailed performance and marketing intelligence reports, accelerating strategic decision-making and enhancing the end-customer experience.
JP ConsultingData Solutions Leader
Sep. 2023 - Dec. 2023Brasil- I was the professional responsible for leading a technical team in implementing data solutions, designing scalable architectures, ensuring alignment with strategic objectives, and promoting data-driven decision-making through efficient dashboards and reports. - Leadership in Data Architecture and Infrastructure - Need to structure and integrate structured and unstructured databases to support data-driven decisions. I designed and implemented a scalable data architecture, integrating systems with other parts of the technology pipeline and establishing validation processes to ensure high data quality. - I built robust and reliable databases that enabled more accurate analyses and agile decisions, reducing data processing time by 40% and the GCP costs by 67%.
JP ConsultingData Scientist
Jul. 2022 - Sep. 2023Brasil- Professional specialized in transforming raw data into actionable insights, responsible for developing predictive models, process automation, and creating advanced analyses that support data-driven decision making and business process optimization. - Data Analytics and Data Science Projects – The business needed to transform raw data into actionable insights to solve complex business problems. I developed and implemented predictive models using Google Cloud, dbt, Apache Airflow and Python, aligning business objectives with analytical needs and creating solid foundations for Data Analytics projects. - I built Insights that allowed the identification of process optimization opportunities and cost reduction, generating an estimated annual savings of 20% in the departments served.
Arese Pharma Ltda.Product Owner / Accounting and Tax Analyst
Jan. 2022 - Jul. 2022Valinhos, São Paulo, Brasil• Process improvement • Creation of indicators • Implementation of tools and methods for eliminating process waste • Calculation of taxes • ICMS - ICMS/ST • DIFAL • CIAP • GIA • SPED Fiscal/EFD ICMS/IPI • PIS&Cofins • EFD Contributions • ISSQN • DMS • Withholding taxes • Reinf • DCTF • DCTF-WEB • PER-DCOMP • DIRF • Classification, Validation and bookkeeping of invoices via SAP • Analysis and reconciliation of accounts • Audit • Compliance with inspections • Internal and external audits
GRUPO NCTax Analyst
Sep. 2021 - Jan. 2022Hortolândia, São Paulo, Brasil• Process improvement • Implementation of tools and methods for eliminating process waste • Call handling • Execution of tax classification, validation and inputs via SAP
KrotonAdministrative Analyst
Jun. 2020 - Sep. 2021Valinhos, São Paulo, Brasil• Backlog indicators control • Ombudsmanship • Complain here • Customer experience • Financial analysis
Jonatas William Alves 04514415910Freelance
Jul. 2018 - Jun. 2020Campinas, São Paulo, Brasil• Consulting on tax and financial areas, individuals and companies • Billing • Interactive dashboards in MS Power BI • Process mapping for continuous improvement application
CapgeminiProduct Owner / Tax Process Leader
Jul. 2017 - May. 2018Campinas e Região, Brasil• Manage processes, raise requirements, align with the client on the expectations of the area's deliverables • Create and sustain indicators and monthly schedule • Act in hiring, engagement and retention of team talent • Apply feedbacks, conduct 1-1 and assist in the development and monitoring of the IDP • Focal-point of the automations of the sector and facilitator of the area for new projects and innovation ideas • Consolidate tax information with management reporting of results • Monthly control of tax calculations, obligations and payments • Support the team in the activities of determination of withholding taxes, reconciliations of tax accounts and answer calls
CapgeminiFinancial Process Analyst - Senior
Sep. 2013 - Jun. 2017Campinas e Região, Brasil• Calculation of taxes: PIS&Cofins, ICMS - IPI, CPRB, CIDE, INSS, IRRF, ISSQN, CSRF; • Preparation and delivery of accessory obligations: Dacon, EFD-Contributions, DMS, DCTF, DCTF-web, DIRF, PERDCOMP, SISCOSERV; • CAPEX and OPEX; • Fixed assets: Asset management, depreciation and credits, implementation of ERP Oracle asset module; • Billing; • Data analysis, calculation of provisions, preparation of reports and statements, postings, reconciliations and analysis of accounting accounts; • Application of internal training, taxes and MS-Excel-intermediate, for professional development.
CapgeminiFinancial Process Analyst - Pleno
Jan. 2012 - Aug. 2013Campinas e Região, Brasil• Calculation of PIS&Cofins; • Exclusion of ICMS from the PIS&Cofins base; • Analysis and reconciliations of accounting accounts; • Accounting entries; • Calculation, updating and contingent accounting; • SAP
CapgeminiFinancial Process Assistant
Aug. 2010 - Dec. 2011Campinas e Região, Brasil• Tax classification; • Determination of federal and municipal withholding taxes and contributions; • Delivery of municipal advisory obligations; • Experience as an ERP SAP user; • Analysis and reconciliation of accounting accounts.
Concre-Test Controle TecnologicoAdministrative Assistant
Jul. 2009 - Jul. 2010Campinas e Região, Brasil• Responsible for the sectors of billing (accounts payable and receivable, calculation of measurements, issuance of NFS-e) and personnel department (admission, dismissal, control of benefits, control of health insurance, time control, calculation and issuance of payroll)
Escritório Contábil Santa AméliaAdministrative Assistant
Sep. 1999 - Apr. 2006Santa Amélia, PR - Brasil• Fiscal bookkeeping, invoice issuance, Darf calculation - Simples Nacional, GR-PR calculation in the agricultural branch, file organization and collections
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