Youssef S.

Within the Data Finance department of DIOR, I contributed to the reliability and optimization of critical data flows across various business areas: Shoes, Manufactures, Ready-to-Wear, Customer Reference Data (RCU), and HR.

💡 Missions & Achievements

🔍 Analysis & Scoping

Gathering and formalizing business needs, translating them into robust and scalable technical solutions, in close collaboration with project teams.

🛠️ ETL Development

Designing Talend Data Integration flows (CSV, XML, JSON), synchronizing inter-systems, and optimizing performance.

🌐 Integration & APIs

Implementing inter-application flows via REST/SOAP APIs and ESB architectures, ensuring smooth data exchange.

🔄 SAP Integration

Managing exchanges via IDOCs, ensuring the quality and consistency of financial data.

🐞 Quality & Support

Analyzing incidents, implementing corrective actions, continuous improvement of processes, performing unit and integration tests.

🚀 Deployment & Operation

Deployment via Talend Management Console (TMC), artifact management, scheduling with OpCon, and process monitoring.

🤝 Agile

Kanban environment, participation in rituals, and use of Jira.

🧰 Technical Environment

Talend Cloud & DI, API Services Platform, TMC

SQL Server, SSMS, DBeaver

REST/SOAP APIs, ESB, SAP (IDOCs)

GitLab, OpCon, FileZilla, KeePass

Formats: XML, JSON, CSV

✅ Results: Improved reliability of Finance flows, performance optimization, and enhanced data quality.

As a Talend ETL Cloud consultant, I work on the entire data processing chain, from integration to availability, ensuring reliable, performant, and industrialized flows.

My goal: structure, make reliable, and leverage data to facilitate its use by business, BI, Data Science, and API teams.

🔧 Missions & Achievements

🔹 Design & Data Engineering

Design of a scalable data warehouse using Talend (ETL / ESB / Cloud)

Implementation of robust, industrialized, and documented pipelines

Functional and technical modeling, creation of datamarts and analytical datasets

🔹 Talend Development & Optimization

Development of complex Talend ETL/ESB flows

Performance optimization and redesign of existing jobs

Integration of services via HTTP/REST (GET, POST, PUT)

Application interfacing via Webservices and Talend ESB

🔹 BigQuery & Cloud ELT

Development of ELT flows to Google BigQuery

Writing and optimizing SQL scripts (partitioning, performance)

Automation of KPIs and analytical processes

🔹 Development & Automation

Creation of Java routines for advanced processing

Development of stored procedures, SQL/PLSQL, and batch scripts

Implementation of centralized logging, alerting, and consistency checks

🔹 Quality & Governance

Writing documentation (FS, mappings, operational guides)

Implementation of standards, best practices, and industrialization processes

Continuous improvement of flow quality and reliability

✅ Key Results

✔️ Industrialization and security of data flows

✔️ Performance and scalability improvement

✔️ Reliable datasets for BI and Data Science use

✔️ Better governance and traceability of processes

Within a Digital Factory, I focus on designing and implementing robust and scalable data solutions, centered on data integration, transformation, and value creation.

🔧 Data Engineering & Integration

Design and development of ETL pipelines with Talend (Open Studio & Big Data)

Integration of multi-source data: Salesforce, APIs (REST), SFTP (flat files, CSV, XML, positional formats)

Implementation of batch, micro-batch, and real-time flows

Implementation of Change Data Capture (CDC) solutions

🔗 Interoperability & APIs:

Development of interfaces via Webservices (REST / Talend ESB)

Inter-application and inter-database synchronization

Management of complex data exchanges between heterogeneous systems

⚙️ Data Processing & Transformation:

Development of specific Java treatments

Ingestion, normalization, and transformation of structured and unstructured data

Optimization of flow and process performance

🧠 Data Modeling & Architecture:

Design and enrichment of Data Warehouses and Data Marts

Performance and business needs-oriented modeling

Design of modern data architectures (ETL, Kafka, SQL)

📊 Data Performance & Quality:

Optimization of SQL queries (Salesforce, MongoDB…)

Implementation of Talend development best practices

Normalization of processes and continuous improvement

🔍 Production Run & Monitoring:

Maintenance and corrective updates of jobs

Supervision of daily loading flows

Analysis and resolution of production incidents

💡 What I bring

Expertise in Talend & Big Data ecosystems

Ability to manage complex, high-volume data flows

Performance, quality, and scalability-oriented approach

High autonomy and understanding of business challenges

🌐 Technical Environment

Talend Cloud, Talend Big Data, Talend ESB, TMC, Git, SoapUI, Postman, Oracle, Server, MongoDB, Elasticsearch, Salesforce (SOQL), S3, Java REST, SOAP, SFTP, FTPS, Kafka