Freelancer profile translated to English.

Description

Talend Consultant / Data Business Analyst with over 7 years of experience in data integration, ETL projects, and business intelligence systems. I assist companies in designing, developing, and optimizing ETL flows, integrating multi-source data, and implementing BI and Data Integration solutions tailored to business needs.

I am involved in the entire project lifecycle: gathering and analyzing requirements, writing functional and technical specifications, designing integration architectures, Talend development, business modeling, performance optimization, and team support.

Accustomed to large accounts, multi-source, and Agile environments.

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Paris (up to 50km), Lille (up to 20km), Orléans (up to 30km)

Lagardere travel retail
ETL/Talend Consultant
RETAIL (LARGE RETAILERS)
July 2023 - Today (2 years and 11 months)
Levallois-Perret, France
Mission:Data integration into various systems related to decision-making (BI).

- Analysis of technical specifications and participation in defining the new BI architecture.
- Development and optimization of Talend flows for populating the DWH and DataMarts: multi-source extraction (operational databases, flat files, Excel, JSON), transformations, and integration according to business rules.
- Implementation of development standards and integration patterns.
- Corrective and evolutionary maintenance of existing processes.
- Design of T-SQL views for Power BI semantic models.

Technical Environment:Windows 11, SQL SERVER V20.2, Oracle, Talend Data Service Platform 8.0.1, Microsoft Azure Storage Explorer, Azure DevOps, GIT, NEXUS, Automator, REST API, Power Automate, Power BI.
SQL Business Intelligence Talend ETL Talend DI Microsoft Power BI
Auchan Retail International
Business Analyst / Talend Developer
RETAIL (LARGE RETAILERS)
July 2020 - June 2023 (2 years and 11 months)
Lille, France
Mission:Data integration into various Auchan systems.

Business Analyst:

- Participation in workshops for gathering and challenging business requirements.
- Estimation of workload and costing for new topics/evolutions.
- Solution design (technical architecture, action plan).
- Writing technical specifications based on qualified needs.
- Project management for development: support for developers and monitoring of specific developments.
- Validation of compliance with specifications, technical qualification of deliverables, and support for business acceptance testing.
- Analysis of improvements and optimization proposals (flow redesign).
- Contribution to workload planning with the Team Lead.
- Onboarding of new team members and documentation updates.

Talend Developer:

- Analysis of detailed technical specifications (STD).
- Development of Talend flows: multi-source extraction (databases, REST API, Excel, CSV, XML), transformation according to business rules, and loading to different targets (XML, JSON, databases, CSV).
- Application of Talend best practices and job optimization.
- Evolutionary and corrective maintenance of processes.

Technical Environment:Windows 10, SQL SERVER V18.5, Oracle, Talend Data Services Platform 7.2.1, JIRA, GIT, NEXUS, OPECON, SERV-U, Confluence.
SQL Talend ETL Talend DI
EPAL
Business Intelligence Study and Development Engineer
TRANSPORTATION
January 2018 - September 2019 (1 year and 8 months)
Alger, Algeria
Mission:Design and implementation of a business intelligence system for the Port Authority management.

- Analysis of business needs and writing of functional and technical specifications (SFD / STD).
- DataWarehouse modeling and implementation.
- Development of integration flows using Talend: multi-source extraction (operational databases, flat files, XML), populating intermediate databases, data transformation, and loading the DataWarehouse.
- Optimization of existing Talend jobs.

Technical Environment:Talend Open Studio 6.4, Oracle, Windows 10, Redmine, Power BI Desktop, Spago BI, Trello.
Talend ETL Business Intelligence Talend DI SQL