Dautmer Javier Contreras Martinez
Implementador de soluciones de BI
Professional profile
Business Intelligence & Data Analyst with experience in designing, developing, and implementing data solutions. Skilled in database management, ETL processes, and interactive dashboard creation using tools like SQL Server, Power BI, Tableau, Excel, Azure Data Factory, and SAP SAC.
Work experience
Encargado de soluciones de datos, en entornos dinamicos con herramientas como Power BI, sql Server, Microsoft Fabric
At Outsourcing S.A.S BIC, I focused on data extraction, transformation, and automation, ensuring high-quality insights for business decision-making.
Major achievement✅ Enhanced efficiency – Automated data processes, reducing manual workload by 40%. ✅ Improved data quality – Implemented validation methods, decreasing errors by 65%. ✅ Optimized reporting – Developed interactive Power BI dashboards, improving data accessibility.
At Seidor Analytics, I contributed to data-driven decision-making by optimizing ETL workflows, developing interactive dashboards, and enhancing data processes.
Major achievement✅ 20% efficiency boost – Implemented a new process that improved operational workflows. ✅ 15% increased KPI visibility – Designed dashboards in Power BI & SAP SAC, improving strategic insights. ✅ 30% reduction in processing time – Developed optimized Alteryx workflows, streamlining data transformati
Education experience
Sena | Técnico/Tecnólogo
