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Samuel T.ST

Samuel T.

Expert Excel | Power Query | VBA

€250/day
9 projects
Nantes, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Samuel

Expert Excel — Automation, Analysis & Performance


I design Excel, Power Query, and Power Pivot solutions tailored for performance. My goal: transform your Excel files into powerful, reliable, and automated analysis tools, focused on your teams' real-world usage.

My Philosophy
I hunt down time-wasters. Where others multiply unstable sheets and macros, I build lasting, documented, and maintainable systems. Each file becomes a strategic asset, not a headache.

My Core Expertise
  • Custom Excel Developments: 100% tailored models for your business processes, clear, fast, and without unnecessary elements.
  • Advanced Automation (VBA, Power Query): Elimination of repetitive tasks, data flow reliability.
  • Dynamic Analysis & Reporting: Interactive dashboards, KPI tracking, management-oriented reports.
  • Excel Project Management: Coordination, quality assurance, field deployment, and change management.
  • Training & Support: Rapid skill enhancement with clear documentation and best practices.

Why Collaborate With Me
  • Every solution is meticulously optimized: fast, intuitive, and bug-free.
  • I speak your business language, not just technical jargon.
  • I design tools that genuinely save time — several hours each week for your team.

Additional Specializations
  • Multi-source data consolidation and intelligent cleaning.
  • Optimization of large or unstable files.
  • Automation of production tracking, scheduling, or performance indicators.
  • Strategic support for structuring your large-scale Excel usage.

In Summary
If you're looking for reliable, scalable, and sustainable solutions designed to boost your productivity, I'd be delighted to discuss your needs.
  • French

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • Concentrix
    Data Analyst
    TELECOMMUNICATIONS
    May 2025 - Today (1 year and 1 month)
    Fontenay-le-Comte, France
    Responsible for collecting, processing, and analyzing operational data for several client projects. Implemented automated Power BI and Excel dashboards (Power Query, DAX, VBA) for real-time performance tracking: quality, productivity, deadlines, and workload. Developed custom solutions to ensure the reliability of key indicators and facilitate decision-making for managers and leadership.
    Microsoft Excel Microsoft Power BI VBA Power Automate Power Apps
  • Concentrix
    Home Insurance Supervisor
    BANKING AND INSURANCE
    March 2023 - May 2025 (2 years and 2 months)
    Fontenay-le-Comte, France
    During my experience as a Supervisor, I led a dynamic team while becoming an expert in data optimization through Excel. Here's an overview of my achievements:

    • Increased Efficiency Through Data Analysis: Using Excel, I improved data analysis by 20%, allowing for a deeper understanding of processes and continuous improvement.
    • Task Automation: I designed and implemented macros and automated tables, reducing the time spent on repetitive tasks and allowing managers to focus on higher-value activities.
    • Advanced Performance Reporting: Produced regular and detailed reports, facilitating informed decision-making by management through clear visualizations and strategic insights.
    • Team Management and Motivation: I managed a team by encouraging professional development, thereby achieving performance goals and increasing job satisfaction.
    • Claims and Complex Case Management: Supervised the efficient processing of claims, while ensuring prompt and relevant customer support.

    My Excel expertise is not limited to the home insurance sector. I can apply these skills across various industries, transforming operations through effective and innovative data-driven solutions.
    Microsoft Excel Team Management Data Analysis

Reviews

5.0

Out of 5 ratings

T

Thibaud

DataLift

Reviewed on 11/13/2025

The collaboration went very well. Samuel showed flexibility and an always pleasant attitude, which made the work smooth and constructive. We also appreciated Samuel's ability to adapt to changes and remain available.
T

Tony

Enablers

Reviewed on 9/13/2025

Samuel provided a Power BI training perfectly tailored to our needs. Pedagogical, patient, and very competent, he made the concepts clear and accessible. We progressed rapidly thanks to his practical advice and his availability throughout the mission. I highly recommend Samuel for any project.

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Certifications

  • Excel Business Intelligence: Power Query, Power Pivot & DAX
    Udemy
    2023
    Power Pivot DAX Power Query Microsoft Excel

Skill set

Categories