
Samuel Padierna Zapata
Senior Data Analyst | Python & Power BI
Salary / Daily rate
Colombia, Valdivia, Antioquia, Colombia
Freelance
Skills
Languages
About me
Intro
Data Scientist with 5+ years transforming financial operations through Python automation and Power BI analytics. Built KPI dashboards that identified process bottlenecks and automated collections processes, improving cash flow efficiency. Specialized in machine learning, statistical analysis, and business intelligence solutions that drive measurable results.
Work experience
PRGX Global Inc.
Apr 2024 - Present
2 years 7 months
Hybrid
Senior Data Analyst
Apr 2025 - Present
1 year 7 months
Hybrid
Skills: Python (Programming Language) · Statistical Data Analysis · SQL · Microsoft Power BI
Audit Analyst III
Apr 2024 - May 2025
1 year 2 months
Hybrid
Accounts Receivable & Collections Supervisor
Sycomp
May 2023 - Dec 2023
8 months
Remote, OR 97458, USA
Solvo Global
Nov 2020 - May 2023
2 years 7 months
Medellín, Medellin, Antioquia, Colombia
AR Manager
Dec 2022 - May 2023
6 months
Medellín, Medellin, Antioquia, Colombia
As an AR Manager, I spearheaded the transformation of our collections process through strategic policy implementation. I categorized customers based o n their payment habits. Additionally, I innovated by developing a Python script for automating prenotification letters, particularly for delinquent customers. This proactive approach not only improved cash flow but also significantly reduced manual effort, demonstrating a commitment to efficiency and customer-centric collections practices.
Accounts Receivable Senior Accountant
Jan 2022 - Dec 2022
1 year
Medellín, Medellin, Antioquia, Colombia
In my role as a Senior AR, I took a proactive approach to optimize our financial operations. I successfully designed and implemented KPIs, alongside Power BI dashboards, to monitor the behavior of our operations, identify potential process bottlenecks, and extract valuable insights from our financial data. This data-driven strategy enabled us to develop and execute targeted improvement strategies, ultimately enhancing operational efficiency and contributing to the achievement of our objectives.
Accounts Receivable Associate
Nov 2020 - Jan 2022
1 year 3 months
As an Accounts Receivable Associate, I leveraged my technical skills to enhance efficiency and accuracy in financial processes. I implemented VBA auto mation to streamline routine tasks, significantly reducing processing time and minimizing the risk of human error. This initiative not only improved operational efficiency but also contributed to a more reliable financial workflow, ultimately supporting the organization's financial goals.
Bilingual Customer Service Representative
Renting Colombia SAS
Sep 2019 - Dec 2020
1 year 4 months
Medellín, Medellin, Antioquia, Colombia
Credit Risk Intern
Avon
Feb 2019 - Aug 2019
7 months
Medellín, Medellin, Antioquia, Colombia
Education
Universidad EAFIT
Master of data science and analytics
2025 - 2026
1 year 6 months
Institución Universitaria ESUMER
Financial Administration
2016 - 2021
5 years 6 months