Skip to content
View MatALass's full-sized avatar
4 followers · 7 following

Achievements

Achievement: Pull Shark

Achievements

Achievement: Pull Shark

Highlights

  • Pro

Block or report MatALass

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Maximum 250 characters. Please don't include any personal information such as legal names or email addresses. Markdown supported. This note will be visible to only you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
MatALass/README.md

Mathieu Alassoeur

Data Analyst | BI Engineer | Analytics Engineering

Final-year Engineering Student — EFREI Paris

About

I design and build reliable data systems transforming raw, inconsistent data into:

  • structured datasets
  • actionable KPIs
  • decision-ready dashboards

My approach combines:

  • data engineering rigor
  • business-oriented analytics
  • reproducible and scalable workflows

Professional Experience — ISM (Germany)

Data Analyst Intern (Completed)

Worked on improving the reliability and usability of institutional data systems.

Key Contributions

  • Designed data cleaning & normalization pipelines (Academy5 student data)
  • Implemented data quality validation frameworks (consistency, duplicates, missing data)
  • Integrated external APIs (Targroup → HubSpot synchronization)
  • Structured academic KPIs for performance monitoring
  • Automated dashboard-ready datasets

Impact

  • Improved data consistency across multiple systems
  • Reduced manual data cleaning workload
  • Enabled more reliable academic reporting

Projects

BI Cultural Consumption Dashboard

Interactive Streamlit dashboard analyzing socio-demographic indicators.

https://github.com/MatALass/dataviz-dashboard

Highlights

  • KPI-driven analysis design
  • Interactive visual exploration
  • Business-oriented insights
  • Clean data transformation pipeline

School Transport Analytics Dashboard

Operational analytics project focused on efficiency and environmental performance.

https://github.com/MatALass/school-bus-dashboard

Highlights

  • Operational dataset modeling
  • KPI definition (efficiency, environmental impact)
  • Analytical reporting logic
  • Decision-support insights

Technical Skills

Data & Analytics

  • SQL (advanced joins, aggregations, validation logic)
  • KPI modeling & metric design
  • Data quality frameworks

Python

  • Pandas, NumPy
  • Data cleaning pipelines
  • Exploratory analysis
  • Data preparation for dashboards

BI & Visualization

  • Streamlit
  • Power BI (learning)

Engineering Practices

  • Modular project structure (src-based)
  • Reproducible pipelines
  • Git & version control

Tools

Python | SQL | Streamlit | Git | Power BI

Portfolio

GitHub
https://github.com/MatALass

Career Objective

Seeking a Data Analyst / BI / Analytics Engineering apprenticeship
Starting September — Paris

Contact

LinkedIn
https://www.linkedin.com/in/mathieu-alassoeur/

GitHub
https://github.com/MatALass

Pinned Loading

  1. github-portfolio-auditor github-portfolio-auditor Public

    Deterministic GitHub portfolio auditor that scores, ranks, and optimizes repositories with actionable insights and a Streamlit dashboard.

    Python

  2. digital-cultural-consumption-analytics digital-cultural-consumption-analytics Public

    Interactive Streamlit dashboard analyzing socio-demographic and digital factors influencing cultural consumption in France using open public data.

    Python

  3. school-bus-decision-system school-bus-decision-system Public

    Data-driven decision system to prioritize electric school bus deployment across U.S. districts, combining analytics, scoring, and interactive visualization.

    Python

  4. anssi-vulnerability-intelligence anssi-vulnerability-intelligence Public

    Offline-first Python project for ANSSI bulletin analysis, CVE enrichment, risk prioritization, and Streamlit decision support dashboard.

    Python

  5. footpredict-pl footpredict-pl Public

    Premier League match prediction (Home Win) with Elo + form features, walk-forward backtesting, and Streamlit dashboard.

    Python

  6. automata-toolkit automata-toolkit Public

    Production-grade CLI tool to parse, validate, and transform finite automata (determinization, minimization, recognition) with strong test coverage and clean architecture.

    Python