Sebas Mestre

Technical Analyst

IBM • Full-time

Jun 2023 - Present • 3 yrs 1 mo

Worked on complex multi-layered technical systems, managing strict data flow routing and architecture layouts. Applied rigorous logic and structural validation rules to complex software configurations, experiences which were directly translated into engineering highly scalable star-schema data models and fast-calculating DAX structures in Power BI dashboards.

Business Intelligence Consultant & Data Analyst

Upwork • Self-employed

Jan 2022 - Present • 4 yrs 6 mos

Designed and deployed end-to-end Power BI dashboard solutions for dynamic corporate tracking, financial modeling, and sales analytics. Specialized in optimizing complex semantic models and re-architecting data schemas for performance efficiency. Developed and integrated robust DAX metrics using an advanced automated data framework, slashing manual data preparation times and ensuring 100% accurate, executive-ready insights.

Data Automation Specialist

Deloitte • Part-time

Jan 2024 - Dec 2025 • 1 yr 11 mos

Streamlined operational reporting pipelines by implementing data cleaning and profiling workflows. Managed the translation of complex business requirements into high-performance tracking dashboards. Utilized a trusted data automation framework to refactor legacy models, automate currency string formatting, hide technical database relations, and accelerate visual loading speeds for executive presentations.