Freelancer profile translated to English.
Back to original languageAbout Raoul
Looking for a Data Engineer expert in Talend and SQL?
An expert capable of designing, integrating, and securing your data platforms end-to-end?
You've come to the right place. 👇
🔹 𝗠𝘆 𝗯𝗮𝗰𝗸𝗴𝗿𝗼𝘂𝗻𝗱 :
With over 14 years of experience, I have supported large groups and organizations with high criticality such as Groupe Bel, Veolia, Eau de Paris, Carrefour Banque, BNP Paribas Leasing Solutions, IQERA, and SMCP.
I have worked in complex data environments with critical flows.
I support organizations throughout the entire data project lifecycle:
➡️ BUILD (integration, interfaces, migrations),
➡️ RUN / MCO (stability, performance, service continuity).
🔹 𝗜 𝗮𝗺 𝗰𝗮𝗽𝗮𝗯𝗹𝗲 𝗼𝗳 𝘀𝘂𝗽𝗽𝗼𝗿𝘁𝗶𝗻𝗴 𝘆𝗼𝘂 𝗼𝗻 :
👉 Design and implementation of robust data architectures
👉 Development of integration flows and interfaces (ETL, EDI, ESB, API)
👉 Complex data migrations (SI redesign, large volumes, sensitive contexts)
👉 SQL / PL-SQL optimization and reliability of batch processes
👉 CI/CD data pipeline management
👉 Structuring RUN / MCO: supervision, N2/N3 support, SLA improvement
👉 Continuous improvement: best practices, industrialization, technical debt reduction
🔹 𝗠𝘆 𝘃𝗮𝗹𝘂𝗲 𝗽𝗿𝗼𝗽𝗼𝘀𝗶𝘁𝗶𝗼𝗻 :
✔️ End-to-end vision, from gathering business needs to production operation
✔️ Ability to analyze needs, then write clear functional and technical specifications
✔️ Possible involvement as an expert, technical lead, or project referent
✔️ Strong commitment to quality of service, reduction of technical debt, and solution sustainability
🔹 𝗗𝗼 𝘆𝗼𝘂 𝗵𝗮𝘃𝗲 𝗮 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 ? 𝗖𝗢𝗡𝗧𝗔𝗖𝗧 𝗠𝗘, I respond in less than 1 hour.
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etl business intelligence, etl talend, etl sql, etl informatica, etl developer, talend etl, talend big data, talend consultant, data consultant, data engineer sql, data engineer talend.
English
Fluent
French
Native or bilingual
Can work on-site
Paris (up to 50km), Lille (up to 50km), Bordeaux (up to 50km), Rouen (up to 50km), Nantes (up to 50km)
Experience
- Groupe BelSenior Data EngineerAGRICULTUREDecember 2024 - January 2026 (1 year and 1 month)Suresnes, FranceGroupe Bel is a world leader in the agri-food industry, specializing in branded cheeses (Babybel, Kiri, La Vache qui Rit). Founded in 1865, the group operates in over 30 countries. It employs over 1,000 people internationally.Project Context:I joined the Mediation team within the IT department of the Bel group. Within this team of 7 people, I participated in the IT system transformation aimed at integrating a production chain planning solution (Kinaxis). The project's objective was to implement data exchange flows between the SAP ERP and the Kinaxis ERP.My Responsibilities:- Design and implementation of integration flows between SAP, Talend, and Kinaxis- Participation in the implementation of the collaborative Talend architecture (branch management)- Development and optimization of data processing (Talend, SQL, GCP)- Management of CI/CD deliveries for the development team on DEV and QA environments- Supervision and N2/N3 support for integration flows (Talend, Talend Administration Center)- Implementation of integration monitoring indicators and reports for MCO management- Implementation of development best practices and integration flow reliabilityI contributed to the following developments:- Reliability of critical integration flows through the implementation of best practices- Securing deliveries across different environments- Better visibility on the status of flows through the implementation of MCO monitoring reports and indicatorsTechnical Context:Talend Data Integration, Talend Administration Center (TAC), SAP ECC, Oracle Database, Kinaxis, Google Cloud Platform (GCP), SQL, GitLab, Octopus Deploy, CI/CD, Google BigQuery, REST Web Services, Supply Chain Planning.----
- PuressentielSenior Data EngineerHEALTH AND WELLNESSJune 2023 - May 2024 (1 year)Paris, FrancePuressentiel is a French group specializing in aromatherapy and natural health products.Founded in 2005, the group operates internationally and markets its products in over 80 countries through a network of subsidiaries and partners.Project Context:Within the IT department of Puressentiel, I joined a team of 4 people.I acted as a Senior Data Engineer to:- Secure the RUN of the Data platform.- Support the evolution of the IT system through the implementation and optimization of data exchange flows.My Responsibilities:- Gathering and analysis of business needs, validation and formalization of business rules- Data modeling and implementation of data best practices- Technical design and development of integration flows in SQL / Talend (TIS v7.3) in an Agile context- Creation of new data exchange flows and optimization of existing ones- Implementation of integration monitoring reports for MCO management- Supervision and N2/N3 support for integration flows (Talend, Sage X3, Power BI)- Scoping and automation of repetitive and complex tasks- Optimization of SQL / T-SQL queries- Implementation of development best practices and creation of reusable Talend and SQL modules- Technological and functional watch around data and reporting uses (Power BI)Contributions and Results:- Improved reliability and performance of integration flows- Reduction of several weekly manual tasks from approximately 1 hour to 5 minutes- Better visibility on the status of data production thanks to DATA platform monitoring reportsTechnical Context:Talend Data Integration (TIS v7.3), Talend ETL, Sage X3, SQL, T-SQL, UML, Power BI, Integration Flows, DATA Supervision, RUN / MCO, Agile Methodology.
- IQERASenior Data Engineer | Application ManagerBANKING AND INSURANCEJanuary 2020 - June 2023 (3 years and 5 months)Paris, FranceiQera (formerly MCS & DSO) is a key player in France in debt management and acquisition.The group supports major clients and financial institutions across the entire recovery value chain.Project Context:As part of optimizing iQera's IT system, I joined a team of 7 people, consisting of 3 BUILD profiles and 4 RUN profiles. As a Senior Data Engineer and application manager, I had a dual responsibility: data integration and support/maintenance of existing flows.My Responsibilities:- Gathering and analysis of business needs, validation and formalization of business rules- Facilitation of functional workshops and writing of detailed technical specifications- Data modeling (interfaces, exchange flows, supervision)- Implementation of Talend and SQL development best practices and design of reusable modules (Talend / SQL / PL-SQL)- Design, development, and optimization of complex ETL flows in Talend and PL/SQL (EDI, ESB)- Optimization of existing flows (job structure, performance, RUN monitoring, bug fixes)- Deployment of supervision tools and reports for MCO/RUN management- Supervision of production ETL processes and N2/N3 support- Writing of operational documentation to facilitate N2 support for flows.- Scoping and management of the Talend ETL migration from version 6.2 to version 7Contributions and Results:- Reliability and optimization of critical integration flows- Securing the RUN and improving the supervision of production processes- Successful Talend v6 to v7 migrationTechnical Environment:Talend Data Integration v6.2, Talend Open Studio v7, Talend Administration Center (TAC), Oracle 11.2, SQL, PL/SQL, Java, Shell scripting, Git, Jira, Confluence, CSV / XML / JSON files, EDI, ESB.
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Education
- Engineering Degree: Networks, Telecoms, and ITTelecom Saint-Etienne2011Niveau : Diplôme d’ingénieur avec mention. Télécom Saint-Étienne est une école d’ingénieurs publique spécialisée dans les technologies de l’information, les télécommunications et l’ingénierie des données, rattachée à l’Institut Mines‑Télécom et à l’Université Jean Monnet. 𝐂𝐨𝐧𝐭𝐞𝐱𝐭𝐞 𝐝𝐞 𝐥𝐚 𝐟𝐨𝐫𝐦𝐚𝐭𝐢𝐨𝐧 : Formation d’ingénieur orientée systèmes d’information, data engineering et architectures logicielles, combinant enseignements théoriques et projets pratiques en environnement technique. 𝐏𝐫𝐨𝐣𝐞𝐭𝐬 𝐫é𝐚𝐥𝐢𝐬é𝐬 : - Développement d’une interface logicielle utilisateur pour un modem industriel. Modem permettant le suivi et la supervision d’équipements techniques - Création de sites web dans le cadre de projets de développement applicatif - Conception et mise en place de réseaux informatiques. 𝐂𝐨𝐦𝐩é𝐭𝐞𝐧𝐜𝐞𝐬 𝐚𝐜𝐪𝐮𝐢𝐬𝐞𝐬 : - Développement logiciel - Architecture et administration de réseaux informatiques - Conception d’interfaces applicatives - Travail en mode projet Activités et associations : 𝐉𝐞𝐮𝐧𝐞 𝐀𝐦𝐛𝐚𝐬𝐬𝐚𝐝𝐞𝐮𝐫 - 𝐑𝐞𝐠𝐢𝐨𝐧 𝐑𝐡𝐨̂𝐧𝐞-𝐀𝐥𝐩𝐞𝐬 : Sélectionné dans le programme des Jeunes Ambassadeurs Auvergne-Rhône-Alpes, visant à promouvoir l’attractivité internationale de la région en accompagnant des étudiants internationaux dans leur intégration académique, culturelle et professionnelle.
- Erasmus Program – Computer Science (exchange year)University of Aberdeen2011𝐂𝐨𝐧𝐭𝐞𝐱𝐭𝐞 𝐝𝐮 𝐩𝐫𝐨𝐠𝐫𝐚𝐦𝐦𝐞 : Programme d’échange académique en informatique réalisé dans le cadre du programme Erasmus, axé sur le développement logiciel, les systèmes d’information et les technologies informatiques dans un environnement académique international. 𝐂𝐨𝐮𝐫𝐬 𝐞𝐭 𝐩𝐫𝐨𝐣𝐞𝐭𝐬 : - Développement logiciel et programmation orientée objet - Conception de bases de données et gestion des données - Développement d’applications logicielles et de systèmes web - Participation à des projets d’ingénierie logicielle en équipe 𝐂𝐨𝐦𝐩é𝐭𝐞𝐧𝐜𝐞𝐬 𝐚𝐜𝐪𝐮𝐢𝐬𝐞𝐬 : - Développement et programmation logicielle - Modélisation de bases de données et gestion des données - Analyse et conception de systèmes informatiques - Travail dans un environnement académique international et collaboratif.
Certifications
- Snowflake SnowPro CoreSnowflake