
Denis W
Senior Data Analyst
Habilidades

Revisa mis servicios

Porfolio
Experiencia laboral
Assent
Tiempo completo • 4 yrs 11 mos
Data Intelligence Lead
Jul 2024 - Present • 2 yrs 1 mo
Key Achievements: - Exceeded declaration upload targets by 300% through strategic process automation and coordinated team execution, directly contributing to operational efficiency and client satisfaction - Optimized Salesforce case lifecycle processes, reducing turnaround time by 40% and significantly enhancing stakeholder satisfaction through data-driven workflow improvements Core Responsibilities: - Design and maintain executive-level dashboards in Looker Studio, Sigma, and Salesforce to track KPIs, monitor team performance, and enable data-driven decision-making - Lead end-to-end data intelligence projects aligned with business OKRs, from requirements gathering through delivery, ensuring measurable impact on organizational performance - Drive operational excellence through process optimization, comprehensive documentation, and knowledge management initiatives - Conduct skills gap analyses and develop targeted training programs to upskill team members and maintain high-performance standards
Data Intelligence Specialist
Aug 2021 - Jun 2024 • 2 yrs 10 mos
Key Achievements: - Pioneered AI innovation: Developed custom GPT solution generating SQL scripts from database schema, reducing SQL development time by 50% and accelerating analytics delivery - Automated complex data cleaning workflows using Python, achieving 40% reduction in data processing time and improving data quality consistency - Developed automated anomaly detection system using R and T-SQL, cutting data quality complaints by 60% through proactive issue identification - Led QA review sessions that propelled team performance from 98% target to 99% achievement in Q3 2024 through actionable insights and continuous improvement Core Responsibilities: - Delivered complex analytical reports and dashboards for internal stakeholders and high-value clients, translating technical insights into actionable business recommendations - Conducted comprehensive data investigations and root cause analyses on client databases to identify and resolve data discrepancies - Built and optimized SSIS ETL workflows, ensuring data consistency and quality across multiple systems - Provided technical mentorship and hands-on training to junior analysts, elevating team capabilities and ensuring consistent delivery standards