Samuel Padierna Zapata

Senior Data Analyst | Python & Power BI

Salary / Daily rate

Colombia, Valdivia, Antioquia, Colombia

Freelance

Skills

PythonSQL QueriesPower BIData Analysis

Languages

English

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.

Links

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

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