Davi is available for hire

Davi Nunes Da Vitoria Dos Santos

Verified Expert in Engineering

Business Intelligence Data Analyst and Developer

Location

Vila Velha - State of Espírito Santo, Brazil

Toptal Member Since

September 20, 2023

Davi is a data analyst with expertise in people analytics, production efficiency, and cost-quality assessments. With a rich professional background spanning diverse sectors such as railways, contract management, pelletizing, and human resources, he brings a wealth of expertise to the table. Committed to empowering businesses through data-driven insights, Davi is dedicated to enabling informed decision-making and optimizing operational performance.

DAX Data Analysis Data Visualization Microsoft Power BI Microsoft Excel SQL Visual Basic for Applications (VBA)Pandas Python Business Intelligence (BI)Statistics SaaS Web Scraping SharePoint 365 DevOps

Portfolio

Vale

Business Intelligence (BI), Microsoft Power Platform, Business, Leadership...

Vale

Microsoft Power BI, Dashboards, Business Intelligence (BI), Office 365, DevOps...

Vale

SQL, PostgreSQL, Excel VBA, Python, DAX, M, APIs, Microsoft Power Apps...

Experience

Data Visualization - 5 years SQL - 5 years DAX - 5 years Microsoft Power Automate - 5 years Microsoft Power BI - 5 years Microsoft Power Apps - 2 years Human Resources (HR) - 2 years HR Analytics - 1 year

Availability

Part-time

Preferred Environment

HR Analytics, Microsoft Power BI, Microsoft Power Automate, Microsoft Power Apps, Python

The most amazing...

...achievement of my career was developing a Python script to analyze the health of all global structures within a company with over 60,000 direct employees.

Work Experience

Data Analyst

2023 - PRESENT

Vale

Led the integration of Microsoft Viva Insight, transforming raw data into semantically modeled information. Analyzed and structured metrics, resulting in a data-driven enhancement of the experience for over 15,000 employees.
Led the data integration for Eightfold, focusing on recruitment job applications, which involved defining functional descriptions, and setting up business rules. This effort laid a strong foundation for in-depth scientific analysis of recruitment.
Took charge of organizing and analyzing recruitment data, providing the board with comprehensive insights. Presented data and insights on open positions, canceled and suspended roles, cycle time, etc, empowering data-driven decision-making.

Technologies: Business Intelligence (BI), Microsoft Power Platform, Business, Leadership, Projects, Analysis, Recruitment, Human Resources (HR), Markets, DevOps, Azure Data Studio, People Analytics, SharePoint, Eightfold AI, Microsoft PowerPoint, Data, Data Analysis, HTML, CSS, Wi-Fi Protected Access (WPA), Microsoft 365, Pandas

Data Analyst

2022 - 2023

Vale

Developed a script for evaluating the structural health of more than 5,000 organizational structures, considering factors such as span, layer, and grade.
Created a dashboard that has led to an over 11% improvement in structural health since its initial launch.
Engineered a Microsoft Power Apps application to streamline action capture by managers, eliminating the need for over 150 emails exchanged between business partners (BPs) and managers.

Technologies: Microsoft Power BI, Dashboards, Business Intelligence (BI), Office 365, DevOps, Figma, Microsoft Excel, Microsoft PowerPoint, Employee Experience, People Analytics, Azure Data Studio, SQL Server Analysis Services (SSAS), Viva, Human Resources (HR), SharePoint, Data, Data Analysis, SaaS, HTML, CSS, Microsoft 365, Pandas

Operational Analyst

2019 - 2022

Vale

Developed a script that automatically updates more than 70 reports two times a day, enhancing production analysis capabilities.
Created a dashboard to comply with legal regulations and enable robust emissions tracking for the largest pelletizing plant in Latin America.
Designed a digital form to replace the consumption of more than 5,000 sheets of paper weekly. The data from this form was integrated into a dashboard that generated various pertinent business indicators.

Technologies: SQL, PostgreSQL, Excel VBA, Python, DAX, M, APIs, Microsoft Power Apps, Microsoft Power Automate, Microsoft Power BI, Office 365, Visual Basic for Applications (VBA), SharePoint, Microsoft PowerPoint, Data, Data Analysis, SAP BusinessObjects (BO), MySQL, Web Scraping, Microsoft 365, Pandas

Experience

FMDS Dashboard

Created a daily-use dashboard for the engineering team to analyze production, quality, cost, and environmental indicators. This dashboard is connected to more than 30 reports, ensuring comprehensive access to information.

Structural Dashboard

Developed a comprehensive dashboard for structural management. This report enables analysis of hierarchy distribution by business, managerial level, countries, number of subordinates, micro team status, exceeding employee limits, and other pertinent business information.

Workforce Planning Project

Played a crucial role in leading a project to develop a workforce planning application using Microsoft Power Apps. This application allows focal points to input specific parameters based on business rules, and subsequently, the application calculates the workforce for the given scenario.

Entry Program Dashboard

Created a dashboard showcasing participants in programs like students, professional development programs, trainees, and apprentices. This tool displays essential data, demographics, performance metrics, and career progression of former trainees. It is necessary for understanding program cycles and career trajectories.

Microsoft Viva Analysis

Participated in a project involving Microsoft Viva. It focused on analyzing a database containing metrics for over 19,000 employees. The goal was to uncover patterns and generate valuable insights about the employee experience. This project lasted approximately two months and played a vital role in identifying patterns based on managerial level, performance, and organizational units.

Education

2021 - 2021

Specialization in Artificial Intelligence

Multivix College - Serra, Espirito Santo, Brazil

2015 - 2019

Bachelor's Degree in Business Administration

Estacio de Sa de Vila Velha University - Vila Velha, Espirito Santo, Brazil

Skills

Tools

Microsoft Power BI, Microsoft Excel, Microsoft Power Apps, Microsoft PowerPoint, Figma

Platforms

SharePoint, Microsoft Power Automate, SharePoint 365, Microsoft Power Platform

Other

DAX, Data Analysis, Data Visualization, Dashboards, Office 365, Data, Analysis, Excel 365, Viva, Wi-Fi Protected Access (WPA), Microsoft 365, Business, Markets, Human Resources (HR), Azure Data Studio, People Analytics, Employee Experience, APIs, Statistics, HR Analytics, Eightfold AI, Leadership, Projects, Recruitment, SaaS, SAP BusinessObjects (BO), Web Scraping

Languages

SQL, Excel VBA, Python, M, Visual Basic for Applications (VBA), HTML, PHP, CSS

Libraries/APIs

Pandas

Paradigms

Business Intelligence (BI), DevOps

Frameworks

React Native

Storage

PostgreSQL, SQL Server Analysis Services (SSAS), MySQL

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