Results-oriented data scientist with 5+ years of experience in the industry. Specialized in data analytics, with proven experience in statistics, data mining, machine learning, and business intelligence.
PythonMachine LearningTableauSQLData Science
Experience
Sales Strategy Analyst
Apr, 2022 - Oct, 2022
Sketch
Performed an optimization of dashboard loading times by building new materialized views and tables using Fivetran ETL, achieving a 90% reduction of loading times for monthly sales and subscription status dashboards.
Built several dashboards to track subscription status and monthly sales KPIs, which were used by Sales team leadership and accounting leadership to calculate commissions.
Rebuilding of existing dashboards in order to include more over-time data and less snapshot data.
Answered small analytics questions posted on slack channel.
Technologies: PostgreSQL, Data Science, Python, Notion, Tableau
VoIP Data Specialist
Aug, 2019 - Apr, 2022
Liberty Latin America
Marketing and sales data analytics using Jupyter notebooks for preprocessing and applying machine learning algorithms. Performed both supervised and unsupervised learning to identify customer profiles and achieve a 15% improve on marketing expenditure returns vs historical data.
ETL operations using Xplenty and Fivetran ETL to build a unified database for all the telephonic traffic and customers across business units, extracting data from Oracle SQL databases, MySQL databases, Linux servers, and cloud-based AWS servers.
Managed Oracle SQL database to start storing historical records of core telecommunications systems, and furthermore applying RNN algorithms to predict performance and prevent failures.
Creation and maintenance of several different dashboards and KPI metrics with sales, revenue, telephonic traffic, and business partners performance meant for C-level executives, using Tableau and PowerBI.
Technologies: Python, Oracle SQL, Salesforce, Tableau, Data Science
VNOC Engineer
Sep, 2018 - Aug, 2019
Cable & Wireless Business
Creation and maintenance of business intelligence reports for department manager, using PowerBI to connect to an Oracle SQL database.
Management of core international Ribbon SBCs, which handle international and wholesale telephonic traffic company wide. Creation and maintenance of recurring cases database in MongoDB, for faster resolution of support tickets.
Creation and maintenance of partner/customer contracts database in MongoDB. Part of development team that deployed several web applications programmed in Python with Django, with distinct functionalities.
Data analysis of international telephonic traffic using Genband RSM, monitoring for telephonic fraud and quality assurance. First point of contact for business units and business partners for cases regarding international/telephonic traffic.
Creation and maintenance of dashboards on Tableau and PowerBI showing live statistics of international/wholesale telephonic traffic.
Maintained Oracle SQL database which held all the calls that passed through the international/wholesale core SBCs of the company.
