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Sergio ColmenaresSC
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Sergio Colmenares

@sergiocolmenares

Junior Data Analyst at HH Global who developed Power BI dashboards and KPI visualizations to monitor performance and support decisions.

Colombia
Message

At HH Global, I developed interactive Power BI dashboards and KPI visualizations to monitor performance and support decision-making. I also cleaned and standardized data in Excel, analyzed trends and relationships between variables, and designed workflow improvements using Power Automate.

I’m developing DataPulse AI, a web tool that harmonizes and reconciles data from tables with differently named columns. My projects also include analyzing power-quality signals with Python and building R.A.V.E.N, a personal AI and Machine Learning assistant.

Experience

Work history, roles, and key accomplishments

Universidad Central logoUC
Current

Student Representative

Universidad Central

Jan 2025 - Present (1 year 10 months)

Represented Electronic Engineering students in faculty discussion forums, channeling complaints and proposing improvements to the program.

DA

Data Harmonization Developer

DataPulse AI

Jan 2026 - Present (10 months)

Developed a web tool for data harmonization and reconciliation, cleaning and standardizing tables with different column names. Built with JavaScript, HTML, CSS, Firebase, and Git.

Education

Degrees, certifications, and relevant coursework

Universidad Central logoUC

Universidad Central

Electronic Engineering, Electronic Engineering

2022 -

Activities and societies: Student Representative for the Faculty of Electronic Engineering since 2025.

Pursuing a degree in Electronic Engineering with an expected graduation in February 2027. Currently in the final semester.

SE

Schneider Electric

Gen E (University), Energy Management

Completed the Gen E (University) certification in May 2026.

NA

NASA ARSET

Fundamentals of Remote Sensing, Remote Sensing

Completed the Fundamentals of Remote Sensing certification in October 2026.

SE

SENA

Electrical Installations, Electrical Installations

Completed the Electrical Installations certification in March 2026.

SA

Santander Open Academy

Power BI, Business Intelligence

Completed the Power BI certification in September 2025.

SA

Santander Open Academy

Internet of Things, Internet of Things

Completed the Internet of Things certification in July 2025.

HE

Hazlo con Excel

Power BI Data Analytics Junior, Data Analytics

Completed the Power BI Data Analytics Junior certification in August 2025.

SA

Santander Open Academy

Agile Project Management, Project Management

Completed the Agile Project Management certification in August 2025.

CU

Cursa

Photovoltaic Systems, Renewable Energy

Completed the Photovoltaic Systems certification in December 2024.

MA

MathWorks

MATLAB, Simulink and Signal Filtering, Signal Processing

Completed the MATLAB, Simulink and Signal Filtering certification in 2024.

Universidad Central logoUC

Universidad Central

Graduate-level module, Data Analytics

Completed a graduate-level module in Data Analytics covering fundamentals of statistics and Linux for cybersecurity environments.

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