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Mathieu D.MD

Mathieu D.

Forward Deployed Engineer

€600/day
Lyon, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Mathieu

I solve problems.

What I can do for you

- Optimize your workflows: Create tailor-made tools, automations, or a mix of both, adapted to your needs.
- Data Strategy: Centralize, structure, and enrich your data.
- SaaS Development: Build and deploy your own SaaS without monthly subscriptions (only infrastructure/resource costs, often free).
- Engineering: Complex and scalable backend architecture.

In Production

[Data Pipelines & Infrastructure]

- Unyc (Telecom): Centralization and structuring of data from all teams, managing over 10 million invoices per month with Azure Fabric.
- Qivio (Insurance Broker): Centralization and structuring of data from fragmented sources (SQL databases, partner CSV files) and creation of enriched Looker dashboards.
- Research Project (Ongoing): Development of a custom SDK to accelerate data pipeline deployment, automating the most common ingestion, transformation, and orchestration patterns.
- EPC (Psychoanalysis School): Leading the transition to the comodal format. Deployment of a backend service to record online courses, process audio, and automate publication on their LMS. Automation of onboarding and lead generation, resulting in a +200% increase in registrations.

[Custom Tools & Automations]

- Personal Finance: Design of a personal finance management automation system.
- Adviso Partners (M&A): Audit and correction of failing automation workflows before production deployment.

Favorite Stack: Python | NextJS | GCP | Terraform | Kubernetes | n8n

My key expertise: Thinking and problem-solving. I adapt to the tools and stack required for the mission.
  • French

    Native or bilingual

  • English

    Native or bilingual

Can work on-site
Lyon (up to 10km), Lyon (up to 10km), Paris (up to 10km)

Experience

  • MD Lab
    Software x Data Engineer
    October 2024 - Today (1 year and 10 months)
    Lyon, France
    SELECTED PAST MISSIONS

    Unyc (Telecom): Built the company's data infrastructure. Centralization and structuring of data from all teams, managing over 10 million invoices per month with Azure Fabric.


    Adviso Partners (M&A): Audited and corrected failing automation workflows before production deployment.

    Qivio (Insurance brokerage) in collaboration with an actuarial expert:
    - Designed and deployed an automated ELT pipeline on GCP (Cloud Functions, BigQuery, Cloud Storage) to modernize actuarial risk reporting.
    - Developed advanced SQL analytical models to process large volumes of data, enabling the implementation of a centralized Looker Studio dashboard for management decision support.
    - Collaborated closely with an actuarial expert to translate complex risk indicators into highly performant technical implementations.

    For a training center:
    - Increased student registrations by 225% (from 8 to 26 active contracts) by developing a custom distance learning infrastructure and automated onboarding systems.
    - Reduced operational costs (OpEx) by replacing expensive SaaS subscriptions with optimized, self-hosted solutions based on Python, Odoo, n8n, and Cloudflare.

    For a startup:
    - Searched for vulnerabilities in automotive industry embedded systems (Under Non-Disclosure Agreement / NDA).
    SQL Python Google Cloud Platform (GCP) Big Query AI Automation
  • Kalray
    Embedded Software Engineer
    TECH
    February 2023 - October 2024 (1 year and 8 months)
    Montbonnot-Saint-Martin, France
    Hardened BMC (Board Management Controller) software for production grade DPU (Data Processing Unit) servers.

    Optimized system software, network daemons, and startup scripts (LACP, IPv4/v6) to maximize system stability.
    Python C++ Embedded Systems TCP/IP
  • Ministère des Armées
    Security Researcher
    DEFENSE AND MILITARY
    June 2021 - January 2023 (1 year and 7 months)
    Paris, France
    Developed custom tooling in Python and C for advanced reverse engineering and debugging of ARM64 architectures.

    (Under NDA) Conducted high-stakes security analysis on proprietary mobile operating system internals.
    C/C++ Python Reverse Engineering

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Education

  • Master in Security of Embedded Systems
    Master Sécurité des Systèmes Embarqués
  • Cyber Security of Embedded Systems
    University of South Brittany
    2020
    Cyber Sécurité des Systèmes Embarqués

Certifications

Skill set

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