Guilherme A.
Data Analyst

Skills

Node.js

Cascading Style Sheets

Apollo Graphql

Spark

Typescript

Github

Html

Javascript

Python

Mysql

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Bio

A technology enthusiast with a multifaceted career in the tech sector, including experience in developing small blogs with WordPress and complex e-commerce sites using WooCommerce and Vtex. More recently, the focus has shifted toward data analytics and management. Proficiency in Power BI facilitates intuitive data visualization for pattern recognition and actionable insights. Expertise in Python programming for Big Data and Artificial Intelligence applications enhances data handling efficiency. Rapid learning capabilities are driven by innate curiosity, seeking professional environments that promote mutual learning and growth. Contributions include creating Google Analytics tags for precise measurement, integrating BigQuery for comprehensive analysis, consolidating data from various sources into BigQuery, utilizing Looker Studio for data visualization, and applying AI for forecasting and cluster creation in cloud settings.

Data Engineer
7/1/2023 - Present

Developed and optimized data pipelines for continuous data processing and analysis, leveraging expertise in tools and frameworks such as Apache Spark, Kafka, and Hadoop. Provided insights and data-driven solutions by collaborating with cross-functional teams to extract actionable insights from complex datasets, thereby supporting data-driven decision-making. Demonstrated technical proficiency in SQL and Python for data manipulation and analysis. Utilized advanced analytics techniques and machine learning algorithms to improve pipeline efficiency and accuracy. Ensured data quality and integrity through the implementation of robust data validation and monitoring processes. Familiarity with cloud platforms such as AWS or Azure for scalable data processing and storage solutions. Emphasized collaboration and communication skills to effectively translate complex technical information to non-technical stakeholders.
Web Analyst
3/1/2022 - 7/1/2023

Developed expertise in implementing Google Tag Manager tags, creating comprehensive dashboards, and executing data governance projects. Specialized in the creation and configuration of cloud accounts, data warehouses, analytical tools, and tag management systems for diverse client needs. Demonstrated skills in developing and deploying machine learning models, implementing GA4, and designing efficient data flows to optimize business intelligence and analytics operations.
Developer
1/1/2021 - Present

Successfully contributed to the development of multiple e-commerce websites, demonstrating technical proficiency in JavaScript frameworks including React and Angular. Utilized server-side technologies like Node.js and Express.js to build robust backend systems. Gained experience in database management with MySQL and MongoDB, ensuring efficient data retrieval and storage. Employed RESTful API design principles to facilitate seamless communication between frontend and backend systems. Leveraged cloud platforms such as AWS for deployment, scaling, and monitoring of applications. Applied version control best practices using Git, maintaining codebase integrity and enabling effective team collaboration. Demonstrated proficiency in CI/CD pipelines using tools like Jenkins and Docker to automate testing and deployment processes. Played an integral role in the Agile development process, participating in sprint planning, daily stand-ups, and retrospectives to ensure timely delivery of high-quality features.
National Sales
7/2/2019 - 1/2/2021

Adept at customer service in both online and in-person settings, honed skills in organizing goals and actions to achieve sales targets. Fostered an aggressive sales approach among employees to focus the team on set objectives. Planned strategic actions and introduced new products to enhance the brand portfolio. Negotiated with suppliers to secure high-quality products at competitive prices. Managed logistics through meticulous organization of delivery spreadsheets. Handled the closing of monthly sales commissions efficiently. Maintained strict standards for workplace organization and hygiene. Additionally, managed a secondary activity involving B2B coffee sales.
Manager
1/2/2015 - 1/2/2018

Provided exceptional customer service both online and in-person. Organized and aligned individual and store goals, driving team improvement and focusing on enhancing service with a strong emphasis on sales conversion. Conducted negotiations with suppliers to secure optimal pricing and extended terms, consistently seeking the best cost-benefit ratios. Managed social media initiatives that generated 80% of the store’s revenue. Oversaw the logistics of order organization and established partnerships for product launches. Managed recruitment processes, including hiring and termination of staff, to maintain an efficient and productive team environment.

Administration at Paulista University
2018 - 2023
Master's in Big Data and Artificial Intelligence at Pontifical Catholic University of Goiás
2021 - 2023