
Samuel O.
Certified Microsoft Excel and Google Sheets Expert
Habilidades

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Portfólio
Experiência profissional
Excel Data Analyst | Data Engineer
Idmsoft • Período integral
Apr 2025 - Present • 1 yr 1 mo
In this role, I am responsible for managing, processing, and transforming large volumes of business data into clean, structured, and actionable insights for stakeholders across multiple departments. Key Responsibilities & Achievements: Dashboard Development: Designed and deployed interactive dashboards adopted by 5 departments company-wide, enabling real-time visibility into key business metrics and supporting faster decision-making. Report Automation: Built automated monthly reporting systems using Excel and VBA, eliminating manual data compilation and significantly reducing turnaround time for leadership reports. Data Cleaning & Processing: Successfully cleaned and standardized a dataset of over 50,000 rows, resolving inconsistencies, duplicates, and formatting errors to ensure data integrity and accuracy. Data Engineering — Developed and maintained efficient data pipelines and structured databases to support smooth data flow across teams and departments.
Excel Macro & Automation Specialist
Nexus Mods • Freelance
Jan 2019 - Present • 7 yrs 4 mos
Developed advanced Excel VBA macros to automate repetitive business processes, reducing manual workload and improving reporting efficiency. Designed dynamic dashboards with pivot tables, charts, and formulas to track KPIs and business performance. Cleaned and structured large datasets to ensure accuracy and usability. Delivered customized automation solutions for finance and operations teams, helping clients save time and improve decision-making through reliable data insights.
Power BI Developer
Nexora Analytics • Freelance
Feb 2025 - Nov 2025 • 9 mos
Designed and deployed interactive Power BI dashboards for clients across finance, marketing, and operations. Integrated multiple data sources including Excel, SQL databases, and cloud-based datasets to create unified reporting systems. Built advanced DAX measures and optimized data models to improve dashboard performance and usability. Automated recurring reporting processes, reducing manual reporting time by over 60% and minimizing errors. Collaborated with stakeholders to define KPIs and translate business requirements into actionable visual insights. Delivered scalable dashboards that enabled real-time decision-making and improved overall business performance.