About Jacques
Senior Data Analyst | Expert SQL, dbt | Power BI, Metabase, Looker Studio 🇬🇧🇫🇷
🎯 Depuis plus de 7 ans, j'accompagne les entreprises, en France et à l'international, pour transformer leurs données en insights exploitables et informations pertinentes.
✅ Ma mission : faciliter votre prise de décision stratégique grâce à des tableaux de bord clairs et intuitifs.
🚀 Expertise Business Intelligence & Data :
→ Migration de reporting et de dashboard : reprise, optimisation et modernisation des outils data afin d'améliorer leur performance, leur fiabilité et leur adoption par les utilisateurs.
→ Création de tableaux de bord décisionnels : mise en place de dashboards personnalisés avec un suivi optimisé des indicateurs.
→ Recueil des besoins métiers : identification rapide des enjeux et formalisation claire des besoins clés.
→ Dimension internationale : 5 ans d’expérience à l’international avec pratique courante de l’anglais pour collaborer avec des équipes et projets internationaux.
📈 Projets réalisés récemment :
→ Projet de migration de dashboards, de Luzmo à Power BI : +80K € d'économies en frais de licences.
→ Projet de migration de dashboards, de Power BI à Metabase : +20% de qualité des données grâce à la correction des incohérences identifiées et à des dashboards repensés.
-> Projet de migration des pipelines BigQuery (scheduled queries) vers dbt : amélioration significative de la fiabilité de la donnée et réduction des coûts.
-> Projet de migration de reportings, de Nifi à BigQuery (dbt) : conçus et maintenus de manière robuste, évolutive et durable
📊 Expertise Business Intelligence & Data :
→ Dashboarding : Metabase, Power BI, Looker Studio
→ Langages de programmation: SQL, Python
→ Stockage de données : Postgres, Google BigQuery, AWS
📩 Vous avez un projet data ?
N'hésitez pas à me contacter pour échanger sur votre projet 💯
English
Native or bilingual
French
Native or bilingual
Spanish
Conversational
Can work on-site
Rennes (up to 50km), Paris (up to 50km), Toulouse (up to 50km), Lyon (up to 50km), Bordeaux (up to 50km)
Experience
- LengowData Analytics Engineer (Freelance)E-COMMERCEMarch 2026 - June 2026 (3 months)Barcelone, SpainI managed the migration of custom reports to support, maintain and improve existing client products.▶ Migrate custom reports while ensuring data consistency▶ Validate and reconcile data between legacy and new reporting systems▶ Improve legacy dashboards by improving data layout▶ Investigate and resolve data and visualisation issues▶ Document data transformations, dependencies and reporting logic
- roadsurferData Analyst (Freelance)TRAVEL AND TOURISMJuly 2025 - December 2025 (5 months)Barcelone, SpainI’m in charge of migrating the company’s dashboards, working across multiple topics, teams, and datasets to ensure a smooth and efficient transition.▶ Migrate existing reports from Power BI to Metabase.▶ Create new dashboards based on emerged business and add new datapoints as required.▶ Develop and optimize complex SQL queries to support dashboard creation.▶ Collaborate with business stakeholders to understand reporting objectives and requirements.▶ Rebuild and enhance visualizations in Metabase to meet analytical and business needs.▶ Ensure data integrity and consistency between Power BI and Metabase outputs.▶ Identify and implement opportunities to improve dashboard usability and performance.
- Caravelo l Travel-TechBusiness Intelligence AnalystTRAVEL AND TOURISMJune 2023 - December 2024 (1 year and 6 months)SpainI played a key role in completely revamping all company's dashboards from scratch, introducing a new reliable and robust BI tool tracking SaaS Metrics. Additionally, I was actively involved in conducting analysis to enhance the understanding of the subscriber's journey.▶ Defining metrics to align with clients expectations. I am closely working with Customer Success Team to ensure dashboards accurately and align to client needs.▶ Designing and organising dashboards layouts to clearly and effectively present metrics.▶ Implementing advanced analytics in dashboards to empower independent decision-making.▶ Consistently providing analysis and reports to meet company goals and assist in troubleshooting outages and incidents.▶ Deploying and updating dashboards integration (Git, GitLab, etc.)-TOOLS: SQL, PowerBI, DAX, Looker Studio, Luzmo, Metabase, Git, GitLab, Visual Studio Code, Terminal, Amazon Web Services S3, Amazon Athena, DBeaver, Microsoft Excel, Google Workspace, Jira, Confluence, Slack, Figma
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Education
- Mathématiques et Informatique Appliquées aux Sciences Humaines et Sociales (MIASHS)UFR des Sciences - Université de Versailles Saint-Quentin-en-Yvelines2017MATHEMATICS AND COMPUTER SCIENCE
Certifications
- Certificat de compétence SQLLearnSQL.com