Juan David Mosquera Neira
@juandavidmosqueranei
Data Analyst transforming complex datasets into actionable insights for business growth and faster decisions.
ColombiaWhat I'm looking for
I’m a Data Analyst with 3+ years of experience transforming complex datasets into actionable insights that enhance business performance. I’ve designed and implemented automated ETL workflows in Alteryx, implemented data validation and monitoring to reduce reporting errors by 25%, and accelerated recurring reporting with automation that improved operational efficiency by 35%.
I bring strong data engineering and business intelligence skills across SQL Server and Python, including optimizing relational databases and maintaining 99% accuracy while increasing data refresh frequency by 40%. I also build interactive Tableau dashboards that improve decision-making speed by 20%, and I’ve supported global marketing and payments analytics—plus delivered CRM analytics through Salesforce as an Assoc Solution Consultant.
Experience
Work history, roles, and key accomplishments
Data Analytics
Mediabrands
Dec 2022 - Mar 2025 (2 years 3 months)
Designed and implemented automated ETL workflows in Alteryx, reducing manual processing time by 30% and improving reporting consistency. Built Tableau dashboards and introduced data validation/monitoring to cut reporting errors by 25% and improve decision-making speed by 20%.
Assoc Solution Consultant
ACI Worldwide
Feb 2022 - Dec 2022 (10 months)
Developed Salesforce dashboards and CRM analytics to provide real-time visibility of sales and client KPIs, improving reporting efficiency by 25%. Built automation tools that reduced consultants’ data preparation time by 30% and supported data-driven go-to-market strategy using payment industry trend analysis.
Education
Degrees, certifications, and relevant coursework
Smart Data Lima
Specialization in Data Science and AI with Python, Data Science and AI
Completed a specialization in Data Science and AI with Python at Smart Data Lima in 2025.
IEBS Business School
Master in Business Intelligence and Data Analytics, Business Intelligence and Data Analytics
2021 - 2023
Completed a Master in Business Intelligence and Data Analytics at IEBS Business School from 2021 to 2023.
Universidad de la Sabana
Industrial Engineer, Industrial Engineering
2017 - 2022
Earned an Industrial Engineer degree from Universidad de la Sabana in Chía, Colombia, between 2017 and 2022.
Tech stack
Software and tools used professionally
Availability
Location
ColombiaAuthorized to work in
Portfolio
naujmn.github.io/PortfolioJob categories
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