As a Data Scientist with 4 years of experience in developing data-driven solutions, I specialize in advanced analytics, machine learning, and cloud-based technologies My expertise spans building scalable data lakes, creating interactive dashboards, and implementing complex models such as Large Language Models (LLM) and Retrieval-Augmented Generation (RAG) to solve real-world business challengesI have a strong background in data processing, ETL, and model deployment, leveraging cloud platforms like Azure (Data Factory, Synapse, Logic Apps, OpenAI) to enhance data integration, governance, and predictive analytics My experience includes designing and optimizing machine learning pipelines, applying imbalanced data modeling techniques, and developing robust models using XGBoost, Random Forest, and LightGBM I am proficient in A/B testing, genetic algorithms for feature selection, and using Shapley values for model interpretabilityI am passionate about MLOps, continuously exploring ways to automate and streamline machine learning workflows to ensure scalable, efficient, and reliable deployments I thrive on tackling complex problems using cutting-edge tools and technologies, including cloud-native solutions, big data platforms, and innovative AI methods My work is focused on creating actionable insights that drive strategic decisions and optimize business outcomes
Advisia Analytics
View- Website:
- advisiaanalytics.com
- Employees:
- 17
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AssociateAdvisia AnalyticsState Of São Paulo, Brazil -
Data ScientistAdvisia Analytics Jun 2022 - PresentSão Paulo, BrasilDevelopment and Implementation of Data Lake, Dashboard, and LLM Chatbot: Built a comprehensive data lake, developed interactive dashboards, and implemented a chatbot using large language models (LLM) with fine-tuning for a global steel manufacturer. Leveraged Azure tools (Data Factory, VMs, Synapse, Automation, Logic Apps, OpenAI) alongside LangChain and Retrieval-Augmented Generation (RAG) techniques to enhance the LLM model.Key words: steel manufacturing, data lake, chatbot, LLM, fine-tuning, Azure, RAG, LangChain, data integration.Cloud Adoption and Analytical Transformation: Supported an analytical transformation project for an insurance company, recommending cloud adoption to enhance data governance and analytical maturity.Key words: insurance, cloud computing, Azure, data governance, analytical transformation.Churn Prediction Models: Built churn prediction models for a wine subscription company, focusing on imbalanced data modeling, feature engineering, and data preparation. Optimized models using XGBoost, genetic algorithms for feature selection, and Shapley Values to identify churn drivers.Key words: wine subscription, churn prediction, XGBoost, genetic algorithm, Shapley Value.Default Prediction Models: Developed default prediction models for a small bank using XGBoost, Random Forest, and LightGBM, applying imbalanced data techniques and KS metrics for optimizing credit risk assessments.Key words: banking, default prediction, XGBoost, LightGBM, KS-statistic.Dynamic Pricing Model: Assisted in developing a dynamic pricing model for an online beauty retailer, focusing on data processing and A/B testing with genetic algorithms.Key words: online retail, dynamic pricing, genetic algorithm, A/B testing.Customer Segmentation: Analyzed customer patterns for an automotive services company using K-means clustering to enhance understanding of customer behavior.Key words: automotive services, clustering, K-means, customer segmentation. -
Data Analyst IAlvarez & Marsal Nov 2021 - Jun 2022São Paulo, BrasilLed a data automation and preparation project for a major company in the construction sector, focusing on building and optimizing data pipelines and ETL processes to ensure efficient data flow and accuracy.Developed and maintained automated data workflows to streamline the extraction, transformation, and loading (ETL) of large datasets from various sources.Created comprehensive data visualizations using Power BI, providing key stakeholders with actionable insights and enhancing data-driven decision-making.Collaborated with cross-functional teams to identify data needs and design solutions to improve reporting and analytics capabilities, increasing operational efficiency.Key words: data automation, ETL, data preparation, data pipelines, Power BI, data visualization, construction sector, analytics, process optimization. -
Corporate Transformation InternAlvarez & Marsal Jan 2021 - Oct 2021São Paulo, São Paulo, BrasilDuring my internship at Alvarez Marsal, I contributed to a data automation and preparation project for a major company in the construction sector, focusing on creating and optimizing data pipelines and ETL processes to ensure efficient data flow and accuracy.I assisted in maintaining automated workflows for extracting, transforming, and loading (ETL) large datasets from various sources, and created data visualizations in Power BI to provide actionable insights to stakeholders. I also collaborated with cross-functional teams to identify data needs and enhance reporting and analytics capabilities, supporting operational efficiency. -
Customer AnalyticsRevelo Oct 2019 - Oct 2020São Paulo E Região, BrasilDuring my internship at Revelo, a HR tech company, I supported clients by developing key performance indicators (KPIs) and conducting Net Promoter Score (NPS) studies to evaluate customer satisfaction and loyalty. I worked closely with the analytics team to generate insights and craft strategies that enhanced our clients' success and optimized their recruitment processes.In this role, I gained hands-on experience in data analytics, including identifying trends, analyzing data patterns, and presenting findings to stakeholders. I also learned to leverage data-driven insights to guide decision-making and improve overall client satisfaction. This internship allowed me to build essential skills in analytics and client management while contributing to meaningful outcomes in a dynamic, tech-driven environment. -
Professor Voluntário De CursinhoCursinho Do Dce Da Usp (Atual Cursinho Florescer) Apr 2018 - Jan 2019São Paulo E Região, BrasilAs a teacher and volunteer assistant at the "Cursinho Florescer da USP" (a preparatory course for university entrance exams), I taught math classes, specifically focusing on geometry and trigonometry. Additionally, I was responsible for organizing events related to the course, such as charity bingos, simulated exams, and the general coordination of the program.
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Colaborador Da Diretoria De EstágiosAeq - Associação De Engenharia Química Sep 2017 - Jun 2018São Paulo E Região, BrasilThe Chemical Engineering Association (AEQ) is the academic center for chemical engineering students at the Polytechnic School of USP.The AEQ Internships project aims to present the course's quarterly cooperative model to companies, thus enabling internship partnerships between companies and chemical engineering students.As a project collaborator, I help organize the project, focusing primarily on communication with companies. -
Bilingual TranslatorMurata Feb 2012 - Jan 2015Izumoshi, Shimane, JapãoAs a bilingual Japanese ⇆ Portuguese translator, I was responsible for the simultaneous and written translations for the company (with a certificate of excellent work) -
Técnico De Suporte De InformáticaMatuda Informática Jun 2010 - Jan 2012Paraguaçu Paulista E Região, BrasilComo técnico de informática, trabalhei em consertos gerais de computadores e notebook, instalação de programas, formatação e manutenção de rede.
Marcelo Arita Education Details
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Mechanical Engineering
Frequently Asked Questions about Marcelo Arita
What company does Marcelo Arita work for?
Marcelo Arita works for Advisia Analytics
What is Marcelo Arita's role at the current company?
Marcelo Arita's current role is Associate.
What schools did Marcelo Arita attend?
Marcelo Arita attended Escola Politécnica Da Usp.
Who are Marcelo Arita's colleagues?
Marcelo Arita's colleagues are Guilherme Bombati Lombardi, Marcelo Kim Man Souza Pinto, Gilberto Volpe, Nicole Gradice Silva, Juan Montanaro, André Shirassu, Marcopolo Cerzosimo De S Escobar.
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Marcelo Arita
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