Aaron Rosales
@aaronrosales1
Data Analyst running A/B tests and customer segmentation to drive retention and campaign performance.
ZimbabweWhat I'm looking for
I run A/B tests and experimentation strategies in customer value management at Digicel TT, using SQL and Python to segment users and build predictive frameworks for more personalized campaign delivery.
Before that, I built automated reporting and monitoring for prepaid/postpaid portfolios, managed end-to-end data flows for charging and mediation systems, and developed rating models that bridge technical back-end systems with business logic.
Experience
Work history, roles, and key accomplishments
CVM Campaign Management Analyst
Digicel TT
Oct 2024 - Present (1 year 10 months)
Lead A/B testing and experimentation strategies for customer value management, identifying high-impact levers for user retention. Utilize SQL and Python to segment user bases and create predictive frameworks.
VAS & Billing Engineer
Digicel TT
Sep 2019 - Oct 2024 (5 years 1 month)
Developed automated reporting and monitoring nodes to track system performance and financial accuracy for prepaid/postpaid portfolios. Managed end-to-end data flows for charging and mediation systems.
Customer Care Technician
Digicel TT
Apr 2019 - Sep 2019 (5 months)
Conducted root-cause analysis on system outages and customer pain points to drive improvements in user experience. Optimized reporting workflows and application management.
Customer Care Representative
Digicel TT
Sep 2018 - Apr 2019 (7 months)
Resolved complex customer queries by analyzing account data to identify underlying service patterns and friction points.
Intern
Church's
Jan 2012 - Dec 2017 (5 years 11 months)
Developed foundational skills in data entry, spreadsheet modeling, and direct customer service within high-pressure environments.
Intern
T&TEC
Jan 2012 - Dec 2017 (5 years 11 months)
Developed foundational skills in data entry, spreadsheet modeling, and direct customer service within high-pressure environments.
Intern
CPL
Jan 2012 - Dec 2017 (5 years 11 months)
Developed foundational skills in data entry, spreadsheet modeling, and direct customer service within high-pressure environments.
Intern
Carib Brewery
Jan 2012 - Dec 2017 (5 years 11 months)
Developed foundational skills in data entry, spreadsheet modeling, and direct customer service within high-pressure environments.
Education
Degrees, certifications, and relevant coursework
University of the West Indies, St. Augustine
Bachelor of Science, Electrical and Computer Engineering
Bachelor of Science in Electrical and Computer Engineering from the University of the West Indies, St. Augustine, completed in 2019.
Trinity College, Maraval
Secondary Education, General Studies
2005 - 2012
Completed C.A.P.E. and C.S.E.C. qualifications at Trinity College, Maraval from 2005 to 2012.
Availability
Location
ZimbabweAuthorized to work in
Job categories
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