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Florent VaissonFV

Florent Vaisson

📈Data Analyst | Finance | Cloud & Power BI

€500/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Florent

Florent, Data Analyst specializing in finance 📈 | Power BI, SQL, Cloud & automation

My mission: Reduce risks, strengthen trust, secure financial decisions
  • 10+ years of experience in complex financial environments
  • Microsoft Power BI Certified (PL-300)
I work to transform complex financial data into a reliable, accessible, and value-creating management tool.


Here is an overview of my areas of intervention:
  • Make your financial information reliable and consolidated,
  • Reduce your financial and operational risks,
  • Automate your reporting (BI, dashboards) to reduce production times,
  • Provide simple, sustainable, and above all usable tools for all your teams.


My references
  • Ubiqus: Automation of financial reporting under Power BI and cash flow consolidation.
-> Result: 80% reduction in production times and 70% increase in financial revenue.

  • UNAPEI: Design of CNIL-compliant dashboards (Kibana, Toucan Toco) to ensure the reliability of national indicators.
-> Objective: Secure funding requests and anticipate medical-social needs for 5 and 10 years.

  • Fascinated by the stock market, I led a personal project on the cloud to address a strategic market challenge: having a simple and automated tool to track key indicators.
-> Performance: Cloud / SQL dashboard with no maintenance costs, gap-based strategy 2x more performant than the CAC 40.


How we work together
  • Location: Paris / IDF. Occasional travel possible to Lille and Rouen.
  • Availability: Immediate.
  • Response via this channel in less than 2 hours.
  • French

    Native or bilingual

  • English

    Fluent

  • German

    Conversational

  • Spanish

    Basic

Can work on-site
Paris (up to 50km), Lille (up to 10km), Rouen (up to 10km)

Experience

  • Ubiqus
    Data Analyst | Structuring data to transform financial management
    CONSULTING AND AUDITS
    June 2014 - March 2025 (10 years and 9 months)
    Paris, France
    CONTEXT

    The finance committee had to manage growing financial flows while securing cash flow and optimizing savings investments. However, reporting was done manually, leading to delays, incompleteness, and errors. This situation reduced the reliability of financial information for decision-makers and could jeopardize the satisfaction of internal requesters and cash flow balance.

    In parallel with my treasurer duties, I was responsible for implementing and supervising data practices to structure, validate, and utilize financial and operational information.

    To achieve this, I:
    â–Ș Ensured data reliability
    â–Ș Automated financial and analytical reporting by deploying a dashboard in Power BI Desktop
    â–Ș Cleaned, organized, and structured data with Power Query and DAX
    â–Ș Co-built KPIs with decision-makers
    â–Ș Identified financial trends and formulated strategic recommendations, particularly on savings investments
    â–Ș Supported committee members: creation and use of Power BI dashboards and activity reporting

    RESULTS

    ✅ Improved understanding of internal requesters' needs through impactful visualizations
    ✅ Better real-time visibility of key indicators and optimized budget decisions to ensure cash flow balance
    ✅ 80% reduction in report production time, thanks to dashboard automation
    ✅ Trained committee members in new, more efficient practices: elimination of data entry errors, elimination of time wasted on manual tasks, better autonomy through dashboards
    ✅ Saved 0.5% of the annual budget through the deployment of optimized tools and processes
    ✅ 70% increase in annual financial revenue through optimization of financial flows and savings investments
    Microsoft Power BI Data visualisation Finance Data Analysis Microsoft Excel
  • Projet
    Data Analyst | Outperforming the CAC 40 using free cloud tools
    BANKING AND INSURANCE
    May 2025 - Today (1 year and 1 month)
    Paris, France
    CONTEXT

    Outperforming the market is every investor's goal, but investors often lack a simple, automated tracking tool for an effective stock market strategy, such as one based on gaps.

    I set out to build an online dashboard to facilitate daily tracking of the CAC 40 and assist investors in their decision-making.

    To achieve this, I:
    â–Ș Created a database in BigQuery
    â–Ș Designed a Python script to automatically populate this database with daily CAC 40 data
    â–Ș Scheduled the daily execution of this script in Google Cloud Platform (Google Cloud Run and Cloud Scheduler)
    â–Ș Defined relevant indicators for the stock market strategy used (gap-based strategy)
    â–Ș Translated these indicators into SQL views created in Google BigQuery
    â–Ș Designed and created a Looker Studio dashboard
    â–Ș Inserted the indicators into this dashboard
    â–Ș Scheduled a daily automatic refresh of the dashboard with Google Apps Script

    RESULTS

    ✅ Easy and immediate access to strategic stock market indicators refreshed daily and automatically
    ✅ Time saved in asset allocation decision-making
    ✅ Gap-based stock market strategy 2x more performant than the CAC 40
    ✅ Dashboard set up using free cloud tools
    ✅ No maintenance costs for the dashboard
    Big Query Looker Studio Finance Data visualisation SQL
  • UNAPEI
    Data Analyst | Reliable dashboards to secure funding and anticipate needs
    CIVIC AND SOCIAL ORGANIZATIONS
    October 2024 - Today (1 year and 8 months)
    Paris, France
    CONTEXT

    The project manager for the Quality and Network Development department needed to justify funding requests to public authorities and reduce, today, in 5 years, and in 10 years, the number of people with disabilities without support solutions.

    My mission was to help the project manager build dashboards compliant with CNIL's confidentiality requirements to facilitate strategic management for national and local leaders.

    To achieve this, I:
    â–Ș Cleaned, organized, and analyzed data from 10,000 digitized user files (DUI) in Kibana and Toucan Toco
    â–Ș Used Vega (Kibana) and Mongo (Toucan Toco) languages to create custom charts respecting CNIL's confidentiality requirements (allowing sample display only if it includes more than 10 people)
    â–Ș Co-built, in Kibana and Toucan Toco, indicators and dashboards for the network head and departmental associations
    â–Ș Identified trends in user journeys and formulated strategic recommendations
    â–Ș Demonstrated pedagogical skills to help the project manager improve their skills: creation and use of Kibana and Toucan Toco dashboards and activity reporting

    RESULTS

    ✅ Instant access to data on people with disabilities, with a level of granularity compliant with CNIL requirements
    ✅ Improved national and local management through secure interactive dashboards, ensuring speed and compliance
    ✅ Strengthened credibility of funding requests through consistent and consolidated key indicators for each geographical area
    ✅ Anticipation of needs for 5 and 10 years, allowing gradual adaptation of the medico-social offer and reduction of the number of people without solutions
    ✅ Skills transfer enabling the project manager to use the dashboards autonomously
    Data Analysis vega Data visualisation Kibana Toucan Toco

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Education

  • Data Analyst, co-certified degree by MINES ParisTech PSL Executive Education
    DataScientest.com
    2024
    Data Analyst, diplÎme co-certifié par MINES ParisTech PSL Executive Education

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