“Project development and VCA...”
Simon H - Engineer
8 semaines en 2021
• Sorted and organized files, spreadsheets and reports.
• Analyzed problems, identified solutions and made decisions.
• Completed research, compiled data, updated spreadsheets and
produced timely reports.
• Worked on projects using knowledge gained in classes to put
together recommendations for issues.
• Collaborated in professional team to solve workflow issues.
• Maximized productivity by analyzing protocols and identifying
areas for improvement.
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Pour: Good working atmosphere, interesting work, company visits
Contre: Not enough experience to do the job as a real engineer
Écrit le
19/09/2023
“Excelent”
Pedro C - Data Analyst
5 semaines en 2025
Conducted data cleaning, integration, and visualization in Python (Pandas,
Seaborn) to analyse sales trends and customer loyalty performance.
Identified top-performing product categories and regional delivery inefficiencies,
providing actionable business insights.
Customer Sign-Up Behaviour & Data Quality Audit . Cleaned and analyzed SaaS
customer data using Python to assess data quality and uncover trends in user
acquisition, marketing opt-ins, and support behaviour. Delivered insights to guide
marketing and onboarding strategies.
Built an end-to-end churn analysis in Python (pandas/sklearn) on 1.5K users:
cleaning, EDA visuals and chi-square/t-tests.
Developed an interactive Executive KPI Dashboard in Tableau integrating multi-
source sales, customer, and product data.
Delivered actionable insights on revenue, profit margin, and customer trends.
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Pour: Learnt a lot new things about data analyst
Contre: I do not see any cons
Écrit le
11/11/2025
fr 
Stages d'Ingénierie
Stages chez Refractaires et travaux S.A.
