José A.Data Analyst
Skills
Technologist in Building Construction with extensive experience in research focused on integrating alternative and recycled materials into building components, emphasizing technical enhancements, economic efficiency, and sustainability. Over seven years of expertise in Customer Experience (CX), with a strong emphasis on strategic planning and data analysis over the past five years. Has led analytical initiatives for implementing back-office operations and chargeback systems, significantly contributing to the development of reports, dashboards, databases, ETL processes, and other operational workflows using tools such as Excel, Access, MySQL, SQL Server, and Power BI. Engaged in contractual analyses that effectively reduced multimillion-dollar fines and played a key role in decision-making processes with senior management and board members. Currently responsible for end-to-end data processes, from requirement gathering to data visualization, leveraging PostgreSQL, SQL Server, Pentaho, and Power BI.
Senior Data Analyst
3/1/2023 - Present
Gained expertise in data quality assurance and data enrichment processes. Utilized various data engineering tools and frameworks including Apache Hadoop and Spark to process large datasets efficiently. Employed SQL for database management and complex query execution, ensuring accurate data handling and transformation. Demonstrated proficiency in programming languages Python and R for scripting and automation of data quality checks. Leveraged ETL tools such as Talend and Informatica for data integration and enrichment tasks. Conducted thorough data profiling using tools like DataStage and Microsoft Power BI to identify and rectify data inconsistencies. Employed machine learning algorithms to enhance data enrichment workflows. Used version control systems like Git for code versioning and collaborative work. Produced detailed documentation and reports using Jupyter Notebooks and Tableau to communicate findings and improvements in data quality to stakeholders.Senior Data Analyst
7/1/2022 - Present
Engaged in extensive activities including data modeling, creation, normalization, and establishing relationships between tables. Developed proficiency in writing and optimizing procedures, functions, and triggers. Conducted comprehensive ETL and ELT processes utilizing SQL Server, PostgreSQL, and Pentaho. Enhanced skills in data visualization through the use of Power BI to deliver insightful and actionable business intelligence.Planning Analyst PL
8/1/2017 - 7/1/2022
Led the development of forecasts and planning for short, medium, and long-term strategies. Collaborated with multiple departments to define and optimize operational strategies. Maintained databases using SQL and Access, while creating dynamic dashboards utilizing Excel and Power BI. Developed ETLs and data warehouses using VBA, Power Query, SQL, and Excel to streamline data management processes.Telemarketing and Sales Attendant
12/1/2015 - 8/1/2017
Developed expertise in inbound customer service for credit card clients, ensuring excellent customer satisfaction and efficient issue resolution. Transitioned to the sales team, where conducted outbound calls to market and offer financial products to businesses across various sectors.Owner
8/1/2015 - 4/1/2017
Owned and managed a clothing store, demonstrating expertise in financial control, pricing strategies, purchasing, and inventory control. Ensured efficient business operations by overseeing all aspects necessary for maintaining a successful retail environment. Utilized advanced techniques and tools for inventory management, applied strategic financial planning, and executed purchasing decisions to optimize product availability and profitability.
Construction Management at Federal Institute of Education, Science and Technology of Paraíba
2013 - 2021
IBM Tools For Data Science at Coursera
3/1/2022Inventory Management at Sebrae
1/1/2017Tutoring in Differential and Integral Calculus at IFPBOFICIAL
10/1/2015Green Roofs with Local Technology for Greener Cities at IFPBOFICIAL
6/1/2015
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