Talles Costa
Analista De Dados at act digital
Lagos, Portugal
Summary
👤
Senior🎓
Top SchoolTalles Costa is a results-driven Data Analyst with eight years of professional experience and a strong track record of turning complex datasets into actionable business insights using Python, SQL, and Power BI. He has repeatedly delivered measurable efficiency gains—boosting analysis speed by 70% at ASISA Portugal and improving operational/reporting efficiency by up to 80% at logistics and retail clients—through ETL automation and dashboarding. Comfortable working across finance, logistics, and retail domains, he migrated legacy Excel processes to scalable BI solutions that cut decision times and eliminated data loss during migrations. Currently based in Lagos, Portugal and studying Computer Science, he blends hands-on scripting and query optimization with practical product-facing reporting. Beyond technical delivery, Talles brings customer-facing experience from retail and Vodafone roles, which helps him translate stakeholder needs into intuitive analytics products.
8 years of coding experience
Bacharelado, Computer Science, Bacharelado, Computer Science at Cruzeiro do Sul Virtual
Portuguese, English
Github Skills (3)
commerce7
javascript6
ecommerce5
Programming languages (1)
Github contributions (5)
TallesCosta/E-CommerceBooks
Sep 2017 - Dec 2017
E-Commerce Books Project
Contributions:198 commits, 9 PRs, 118 pushes in 2 months
javascriptecommercecommercee-commerce
TallesCosta/UML-SpringCodeGenerator
Oct 2017 - Mar 2018
Contributions:24 commits, 13 PRs, 19 pushes in 5 months
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