Main results:1. Development of a management dashboard with the main metrics of a food delivery marketplace company in India. The final result of the project was a dashboard hosted in a Cloud environment and made available through a web link.2. Creation of an interactive dashboard to view the main metrics of the company Fome Zero, a restaurant marketplace. The dashboard was implemented in a Cloud environment, accessible online, and allows the CEO to view critical data for strategic… Show more Main results:1. Development of a management dashboard with the main metrics of a food delivery marketplace company in India. The final result of the project was a dashboard hosted in a Cloud environment and made available through a web link.2. Creation of an interactive dashboard to view the main metrics of the company Fome Zero, a restaurant marketplace. The dashboard was implemented in a Cloud environment, accessible online, and allows the CEO to view critical data for strategic decision-making.3. Development of an interactive application for sentiment analysis in customer reviews using Natural Language Processing (NLP) techniques. The VADER algorithm was applied to classify feedbacks into positive, negative or neutral sentiments.4. Conducting an experimental study with Classification, Regression and Clustering algorithms to evaluate the impact of adjustments in the overfitting and underfitting control parameters.Projects: https://jz1nn.github.io/portfolio_projetos/ Show less

Main responsibilities:● Development of a sentiment analysis application using Natural Language Processing (NLP) with the VADER algorithm.● Creation of an interactive system for classifying customer feedback as positive, negative or neutral, accessible via Streamlit.Some achievements:● Project made available via Streamlit, accessible from any device, providing valuable insights into customer satisfaction.

Main responsibilities:● Development of data solutions for business problems, aligned with the real challenges of companies, using public datasets from Data Science competitions. Worked from problem definition to implementation of the trained algorithm in production, using Cloud Computing technologies for scalability and efficiency.● This project applied advanced knowledge of Data Science, efficient manipulation of large data sets and integration of tools such as Python… Show more Main responsibilities:● Development of data solutions for business problems, aligned with the real challenges of companies, using public datasets from Data Science competitions. Worked from problem definition to implementation of the trained algorithm in production, using Cloud Computing technologies for scalability and efficiency.● This project applied advanced knowledge of Data Science, efficient manipulation of large data sets and integration of tools such as Python, Streamlit and GitHub. The goal was to create a strategic dashboard that presented the fundamental metrics of the company Fome Zero, a restaurant marketplace.Some achievements:● The final result was a dynamic and interactive dashboard hosted in the cloud, accessible through a web link. This dashboard provides valuable insights to the CEO and stakeholders, facilitating informed and strategic decision-making for the growth and continuous improvement of the Fome Zero platform. Show less

Main responsibilities:● Built data solutions for business problems, close to the real challenges of companies, using public data from Data Science competitions, where the problem was addressed from the conception of the business challenge to the publication of the trained algorithm in production, using Cloud Computing tools.● In this project, the concepts of Python Programming, data manipulation, strategic thinking and business logic, together with web development tools such as… Show more Main responsibilities:● Built data solutions for business problems, close to the real challenges of companies, using public data from Data Science competitions, where the problem was addressed from the conception of the business challenge to the publication of the trained algorithm in production, using Cloud Computing tools.● In this project, the concepts of Python Programming, data manipulation, strategic thinking and business logic, together with web development tools such as Streamlit and Github, were used to develop a management dashboard with the main metrics of a food delivery marketplace company in India.Some achievements:● The final result of the project was a dashboard hosted in a Cloud environment and made available through a web link. The dashboard can be accessed by any device connected to the internet. Show less

Main responsibilities:● Analyzed the reports of accredited doctors' care by specialty, to make better use of the time available to each doctor.Some achievements:● 20% more time for each specialist.● 18% increase in the Clinic's revenue achieved by adopting the algorithm.

Main responsibilities:● Conducted an analysis of the sales strategy used by the company on its website and made changes to obtain greater profit.Some achievements:● Increased sales of double products instead of single products.● Increased revenue by 57%

Key Responsibilities:● Data Processing Administration: Managed data processing for over 2,000 clients, ensuring the reliability of data generated for task execution over 4 years.● Teamwork: Collaborated with 2 cross-functional teams on 3 data analytics projects throughout 2023.● Stakeholder Engagement: Engaged with over 2,000 stakeholders (internal and external) to define analytics and reporting requirements in 6 months.● Stakeholder Orientation on the Use of Analytics Tools:… Show more Key Responsibilities:● Data Processing Administration: Managed data processing for over 2,000 clients, ensuring the reliability of data generated for task execution over 4 years.● Teamwork: Collaborated with 2 cross-functional teams on 3 data analytics projects throughout 2023.● Stakeholder Engagement: Engaged with over 2,000 stakeholders (internal and external) to define analytics and reporting requirements in 6 months.● Stakeholder Orientation on the Use of Analytics Tools: Trained 4 users on the use of data visualization tools, resulting in a 100% increase in adoption of these tools.● Data Security and Governance Ensuring: Implemented data security and governance policies, resulting in a reduction in the risk of data security breaches. Some achievements:● 20% increase in customer base based on data analysis in 2023.● Achieved a 95% customer satisfaction rate over a 4-year period.● Training of internal stakeholders, reducing support requests by 40%.● Reduction in risks of data breaches by 90% after implementing security guidelines.● Reliability of data generated by 96% for financial queries Show less