André Barros

Data Analyst | Python, SQL, Tableau

Salary / Daily rate

Paris, France

Freelance, open to permanent contract

Remote only

Skills

PythonData VisualizationTableauData AnalysisPower BINumPypandasscikit-learnMySQLData Science

Languages

French

About me

Intro

Engineer specialized in Data Analytics with 8+ years of experience. Proficient in Excel and Power BI, developing Python, SQL, Tableau, Excel and Machine Learning. Skilled at transforming complex data into insights through clear visual storytelling that supports decision-making and drives measurable impact

Links

Work experience

Big Data Analyst

Living Stones Foundation

Sep 2025 - Present

1 year 2 months

Remote

Designed and implemented a SQL database schema to efficiently power the application and ensure data integrity. Developed interactive dashboards for customer service teams

Data Analyst – Training Program

Ironhack

Feb 2025 - Present

1 year 9 months

Europe · Remote

- Completed an intensive 9-week Data Analytics Bootcamp covering: • API's & Webscraping • Data pipelines, ETL, SQL, databases (PostgreSQL, MySQL) • Data wrangling & cleaning, exploratory data analysis • Inferential Statistics with Python • Business Intelligence applied with Python • Story-Telling techniques & Visualization of Data in Python, MS Excel, Google Sheets and Tableau • Machine Learning (Supervised & Unsupervised; Building, training, evaluating models with Scikit-Learn) - Delivered a capstone project, Solar Bitcoin, exploring the viability of mining Bitcoin using surplus solar energy, including an interactive dashboard and predictive model. - Collaborated in teams to perform A/B testing, data cleaning, and storytelling with real-world datasets.

Founder

Aprendendo Cripto

Aug 2019 - Mar 2025

5 years 8 months

Remote

• Researched diverse sectors of the crypto and web3 world. • Produced over 70 educational blog posts. • Build, design and manage the website using WordPress.

TE Connectivity

Nov 2016 - Mar 2025

8 years 5 months

Portugal · On-site

Project Manager - Continuous Improvement

May 2024 - Mar 2025

11 months

Portugal · On-site

• Spearheaded high-impact continuous improvement projects, leveraging Lean methodologies to optimize production line efficiency and operational performance. • Successfully implemented a Value Stream Mapping project, achieving a 40% increase in production within 4 months while utilizing just 5% of the initial budget. • Led a SMED (Single-Minute Exchange of Dies) project aimed at reducing changeover times by over 70%, enhancing process agility and reducing downtime.

Manufacturing Quality Engineer Supervisor

Feb 2022 - May 2024

2 years 4 months

On-site

• Managed 3 teams of up to 57 members in Germany and Hungary supporting ramp-up of new production lines. • Coordinating the engineering team of 8 people accountable for quality control and improve manufacturing processes in 7 different products with continuous improvement mindset. • Responding to customer complaints using 8D methodology. • Setting priorities to achieve production goals using 4DX approach.

Team Manager

Sep 2021 - Jul 2023

1 year 11 months

Managed 3 teams of up to 57 members in Germany and Hungary supporting ramp-up of new production lines for the organization. This position was held during dedicated timelines, as follow: • Up to 57 members in Wört, Germany during 5 months - September 2021 to February 2022 • 20 members in Speyer, Germany during 3 months - October 2022 to February 2023 • 20 members in Esztergom, Hungary during 2 months - May to July 2023

Manufacturing Engineer

May 2017 - Jan 2022

4 years 9 months

Evora, Portugal

• Improved production line performance by 30% in 6 months using LEAN methodology. • Applied problem-solving techniques using 6sigma principles. • Defined process parameters for production line in industrialization phase and trained line operators. • Applied P-FMEA method according to IATF 16949.

Manufacturing Engineer Trainee

Nov 2016 - May 2017

7 months

Évora Area, Portugal

Skills: Operational Efficiency · Tomada de decisões baseadas em dados · Solução de problemas técnicos · Melhoria contínua · Manufacturing Engineering


Education

Ironhack

Data Analytics

2025 - 2025

4 months

Frankfurt School of Finance & Management

Bitcoin Talents program

2023 - 2023

1 month

University of Évora

Bachelor of Engineering - BE

2012 - 2016

4 years 1 month

AGH University of Krakow

2014 - 2015

7 months

on the Erasmus + program

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