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Bachri L.BL

Bachri L.

Data Engineer Python | Data, ETL & Excel

€350/day
2 projects
Toulouse, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Bachri

Are you losing hours every week copying and pasting data between your Excel files and your various tools? Are you concerned about the risk of human error and your reporting lacking responsiveness?

You've come to the right place.

I am a Data Engineer specializing in Python automation. My role is simple: I transform your manual and time-consuming processes into 100% automated, fast, and scalable workflows.

I have helped numerous agencies on many data-related projects.

My goal: to help you regain precious time to focus on analysis and your core business, while ensuring the security and reliability of your data.

I place great importance on transparency with my clients. I send a daily report to my clients at the end of the day to track the progress of tasks performed.

I can support you from A to Z 🤝:

- Analysis and in-depth understanding of your business processes
- Development of custom Python scripts
- Automation of your Excel files and reports
- Creation of data flows (ETL) from your files, APIs, and databases
- Automatic cleaning, validation, and structuring of your data
- Replacement of your manual tasks for immediate time savings
- Writing clean, maintainable, and scalable code
- Delivery of a turnkey and perfectly documented tool

📩 Shall we discuss your project? Contact me directly on the platform.
  • English

    Native or bilingual

  • Spanish

    Native or bilingual

  • French

    Native or bilingual

Can work on-site
Toulouse (up to 50km), Paris (up to 50km), Lyon (up to 50km), Bordeaux (up to 50km), Marseille (up to 50km)

Experience

  • gracq
    Malt logoOn Malt
    Data Engineer Python — ETL & Geolocation Matching Pipeline
    June 2026 - June 2026
    Toulouse, France
    Client problem: Heterogeneous marketing files from several European countries required hours of manual reconciliation, with a high risk of geographical errors.

    Actions taken:
    • Normalization & Cleaning: Automated processing of +40,000 complex locations.
    • Matching Algorithm: Creation of an intelligent system (exact & fuzzy matching) to automatically link addresses and points of interest without human intervention.
    • Automatic Reporting: Generation of quality control reports to validate data in 1 click.

    ⚡ Result: Near-total elimination of manual validation, drastic reduction in processing time, and reliable data for marketing tools.
    Python Automation Pandas Data visualisation data-integration
  • Data Engineer — Pipeline ETL & Orchestration Docker
    Freelance
    December 2025 - January 2026 (1 month)
    Toulouse, France
    Client problem: Need to centralize, clean, and historize large volumes of data securely and reproducibly.

    Actions taken:
    • Custom ETL Pipeline: Ingestion and automated transformation of complex raw data (via Pandas).
    • Security & History: Structuring a secure PostgreSQL database with complete data traceability.
    • Reliable Infrastructure: Containerization (Docker) to ensure the script runs perfectly without bugs, regardless of the client's computer.

    ⚡ Result: A centralized, autonomous, and secure system. Data quality control is now instantaneous and automated.
    Python Bash PostgreSQL Docker Git
  • Développeur Workflow & Computer Vision
    Data Engineer Python — Automated Docker Pipeline
    January 2026 - June 2026 (5 months)
    Toulouse, France
    Client problem: Manually processing and analyzing massive volumes of high-resolution images and spatial data was extremely time-consuming.

    Actions taken:
    • Batch Automation: Creation of a Python workflow capable of processing gigabytes of data in the background without human intervention.
    • Data Extraction: AI-powered segmentation and automatic conversion of complex data into structured, usable CSV files.
    • Turnkey Tool: Packaging the application in Docker for smooth execution without complex installation for the end-user.

    ⚡ Result: An ultra-efficient pipeline that transforms massive raw data into ready-to-use quantitative analyses.
    Docker Python R Numpy Pandas

Reviews

5.0

Out of 1 rating

M

Matthieu

Founder - gracq

Reviewed on 6/24/2026

Bachri delivered a strong freelance experience from start to finish. He took initiative and maintained clear communication throughout. Highly recommended.

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Education

  • Master's Degree in Bioinformatics
    University of Toulouse
    2027
    Master's Degree in Bioinformatics
  • Bachelor's Degree in Life Sciences
    University of Toulouse
    2025
    Bachelor's Degree in Life Sciences

Certifications

Skill set

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