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Andrés Buelvas Diago

Andrés Buelvas Diago

Data Analytics Alumni

Holidata | Madrid, Spain

Technologies

My Portfolio Highlights

My New Course

Introduction to SQL

Cognitive explorer, unraveling the mysteries of human-like AI.

My Work

Take a look at my latest work.

course

Understanding Machine Learning

course

Introduction to Power BI

course

Introduction to SQL

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

Vecttor | Mar 2024 - Nov 2024

Finance Associate Data Engineer

️ Developing and optimizing automated data pipelines for financial reports using Google Apps Script. Automating financial P&L model transformations for databases. ️ Optimizing workflows, reducing manual tasks, and enhancing key metrics analysis. Collaborating with the finance team to ensure data accuracy and availability for critical financial analysis. ️️ Automating relational data modeling, including the extraction, transformation, and loading (ETL) of financial data into a centralized data warehouse.
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Holidata | Jun 2023 - Mar 2024

Data Analytics Project Professional

Applied Python for Exploratory Data Analysis (EDA) on a car fuel consumption dataset, visualizing key insights, including consumption rates and price comparisons. Implemented ETL with Python and developed Power BI reports to resolve profit issues and enhance sales analysis for strategic decision-making. Developed KPI dashboards using Python and NLP tools to analyze customer reviews and identify areas for improvement, enhancing user experience and stakeholder reporting. Created a detailed MySQL tutorial on schema creation, data management, and advanced queries using WSL Ubuntu Terminal, including data migration techniques. Technology and Tools: Programming Languages: Python, SQL Libraries: Matplotlib, Seaborn, Pandas, NumPy, NLTK ️ Tools: Power BI, Tableau Public, WSL, MySQL Data Processing: ETL (Extract, Transform, Load), DAX

NTT DATA Europe & LATAM | Feb 2022 - Apr 2023

Global Compensation | Management Analyst

- Developed Excel and Power BI dashboards for varied reports for my manager. - Generated monthly salary reports using Excel macros for EMEA and LATAM. - Managed and updated the policy database, by structuring data and forms - Enhanced accuracy and efficiency in policy implementation by developing a robust form, benefiting other team services as well.

Ministerio de Tecnologías de la Información y las Comunicaciones | Oct 2018 - Dec 2018

Acceleration Program Participant (Apps.co) - Digital Business Discovery.

We developed a digital service that solves the lack of knowing English in the professional market. The service was validated with clients. The program lasted 8 weeks to meet 6 challenges: 1. Validation of the problem. 2. Client archetype. 3. Value proposition. 4. Functional prototype. 5. Minimum viable product. 6. Traction.

SiliconValley.Travel | Jun 2017 - Sep 2017

Participant of the Silicon Valley Immersion and Acceleration Program.

Workshops: 1. Lean Startup: From the idea to Rapid Prototyping, Pre-Validation of the Value offer, Product Market Fit and Business Model. 2. Design Thinking: focus on customers/users and their problems that require solutions 3. Pitch Deck and growth strategies Networking events to develop our communication skills; and conferences with experts in Google, Linkedin, Apple and Facebook.

Enel Colombia | Feb 2016 - Aug 2017

Global Business Services Assistant

I closed 10 contracts and 6 extensions for hydroelectric plant services. • I monitored the purchase orders • I reported the weekly status of service contracting • I managed SAP to review contracts

ONAC | Apr 2015 - Feb 2016

Administrative & Financial Assistant

We increased net profits by 13%, compared to the previous year. • I monitored the execution of the budget, within the strategic plan • I reported the monthly financial statements • I monitored the activities of the contractors for the real estate project • I documented the Administrative and Financial processes

Fundación Saldarriaga Concha - NGO | Sep 2012 - Jan 2015

Risk Management Project Consultant

"The risk management process was automated in the information system, which generated graphs with the impact values for each project": 1. I collected and organized the information of the projects executed between 2010 and 2015 2. I reviewed reports, follow-up and closing minutes, and risk management by project 3. I built the risk database of the projects and did the data cleaning 4. I recorded only valuable information to be uploaded to the risk management system 5. I documented the implementation processes for risk management

SGS Colombia | Jan 2012 - Aug 2012

Customer Service Analyst

improvement - Worked with the UK branch to resolve certificate delivery issues identified in reports - Determined a 3.5-day deadline to resolve certificate issues, from KPI reports - Reduced incidents by 56%, due to delivering delayed certificates and so, enhanced client satisfaction.

Bilateral | Mar 2011 - Dec 2011

Customer Service Representative - Call Center

• I activated new mobile services for clients • I helped customers with credit card purchases • I increased my level of conversational English in B2 - C1

My Education

Take a look at my formal education

Data Analytics BootcampIronhack Spain | 2024
Engineer's degree, Business, Management, Marketing, and Related Support ServicesUniversidad del Norte | 2008

About Me

Andrés Buelvas Diago

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