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Portfolio

Roan Guilherme Weigert Salgueiro

https://www.linkedin.com/in/roan-guilherme-weigert-salgueiro-711183138/

Data Analyst Specializing in Using Analytics to Improve Customer Success and Conversion

Stakeholder Management | Requirement Gathering | Sales and Marketing | SQL | Python | R | Tableau | PHP | Excel | PowerPoint

In today's data-driven world, it's more important than ever to be able to effectively communicate complex information to various stakeholders. Whether you're analyzing data, developing new processes, creating software, or reporting on project outcomes, the ability to present your findings in a clear and visually appealing way can make all the difference. In this portfolio, I'll be showcasing my skills in data visualization, process development, software documentation, and stakeholder reporting, providing real-world examples of how I've used these skills to deliver high-quality results in a variety of contexts. Through these examples, I hope to demonstrate not only my technical expertise, but also my ability to effectively collaborate with colleagues and stakeholders to achieve shared goals.

Python

• Apprentice Chef Project - Regression Analysis https://github.com/roangws/regression-analysis

• Housing project - Hyperparameter Tuning https://github.com/roangws/hyperparameter-tuning

SQL

• Stored procedure for Profit and Loss (P&L) and Balance Sheet (B/S) statements https://github.com/roangws/stored-procedure-sql

• Do dietary preferences effect price? - Case study https://github.com/roangws/dietary-preferences-sql

PHP

• Created a startup plataform for Precise and periodic 3d constructions monitoring https://github.com/roangws/Obra3d

Data visualization

As a data visualization enthusiast, I am passionate about turning complex data sets into easily understandable visuals. One example of my work in this area is a dashboard I created for a meal prep company. Using tools such as Tableau and Excel, I was able to showcase their sales, customer retention rates, and feedback in a clear and concise way. The dashboard allowed the company to make data-driven decisions, ultimately leading to an increase in revenue and customer satisfaction.

meals-roan

Process development

Process development is a critical aspect of any business, and I have experience in creating efficient and effective processes. One example of my work in this area is the video production of 60 processes for a company. Through my expertise in project management, I was able to gather information from various departments and translate it into easily understood and standardized processes. The videos were instrumental in training new employees, resulting in a reduction in errors and an increase in productivity.

Screen Shot 2023-02-17 at 3 18 03 PM Screen Shot 2023-02-17 at 3 18 28 PM

Software documentation

As a software developer, I understand the importance of clear and concise documentation. One example of my work in this area is creating user cases for a software I developed. By analyzing the user flow and anticipating potential scenarios, I was able to create comprehensive user cases that were essential in the development process. The documentation ensured that the software was created efficiently and met the needs of the end-users.

Screen Shot 2023-02-17 at 3 30 04 PM

Stakeholder reporting

Creating reports that provide valuable insights to stakeholders is essential in any business. One example of my work in this area is an analysis of contractors for a company. Using data analysis and visualization tools, I was able to present a comprehensive overview of the contractors' performance, including their strengths and weaknesses. The report was instrumental in guiding the company in decision-making and ultimately led to improved contractor management.

Screen Shot 2023-02-17 at 3 31 23 PM

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