You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Josias OumanteJO

Josias Oumante

Data Analyst | Power-BI | SQL | ALTERYX | PYTHON

€480/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Josias

I am Josias, a data analyst passionate about transforming raw data into actionable insights to help businesses make informed decisions. I am driven by solving complex problems and optimizing processes through rigorous and methodical analysis.
With 3 years of experience in data analysis, I have developed expertise in tools and languages such as Python, SQL, and Power BI, as well as a solid understanding of statistical models and machine learning algorithms.
I have particularly worked in insurance, where I helped companies increase their revenue by optimizing their marketing and loyalty strategies through data analysis.
My approach is centered on problem-solving and achieving objectives. I always strive to understand my clients' specific needs to provide analyses that bring real added value.
I firmly believe in the importance of collaboration and communication with stakeholders to ensure that my analyses meet the exact needs of the business.
By working with me, you will benefit not only from my technical skills but also from my ability to transform data into actionable insights, thus enabling you to improve your performance and make more informed strategic decisions.
I am responsive and flexible, able to adapt quickly to new demands and deliver results within deadlines.
I would be delighted to discuss your specific data analysis needs and see how I can help you achieve your goals. Do not hesitate to contact me to learn more about how I can bring real added value to your business.
  • French

    Native or bilingual

  • English

    Conversational

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

Experience

  • Aéroport de Nantes Atlantique
    Data Analyst
    AVIATION AND AEROSPACE
    February 2026 - April 2026 (2 months)
    Nantes, France
    Analysis of passenger flows and peak activity. Advanced Excel (Power Query), SQL for extractions. Extraction and preparation of operational data. Production of analyses to improve passenger flow and experience.
    Oracle Database Microsoft Power BI Talend SQL Server Microsoft Excel
  • Fnac Darty
    Data analyst
    RETAIL (SMALL BUSINESS)
    September 2023 - Today (2 years and 9 months)
    Ivry-sur-Seine, France
    - Analyze sales and commercial results using statistics.
    - Propose relevant key performance indicators (KPIs) to help clients better manage their business.
    - Ad-hoc analyses to meet specific needs and interpret results considering the business context.
    - Collaborate with different departments to understand their needs and propose appropriate solutions.
    - Conduct specific and in-depth analyses related to product data quality issues.
    Data analysis Microsoft Power BI Microsoft Excel Looker Studio Teradata
  • ALTEN
    Functional Analyst Consultant
    CONSULTING AND AUDITS
    October 2022 - August 2023 (10 months)
    Toulouse, France
    - Lead technical meetings with clients to fully understand their needs.
    - Perform unit tests and resolve data anomalies identified during acceptance testing phases.
    - Create and build KPIs to measure the performance of proposed solutions.
    Oracle Database Microsoft Excel Microsoft Power BI Microsoft Powerpoint Data analysis

Recommendations

Be the first to recommend Josias

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Master of Data Science
    IA SCHOOL
    2022
    Manipulation et traitement de données avec SQL, Python et R Conception de modèles de données, gestion de bases relationnelles
  • Master 1 & 2
    Université Paris Nanterre
    2021
    Traitement et structuration de données via SQL et fichiers plats (CSV, TXT) Modélisation économétrique et statistique (régressions, séries temporelles, ACP, classification) Validation de modèles et contrôle qualité des données

Skill set

Categories