Freelancer profile translated to English.
Back to original languageAbout Lyazid
Data Engineer / Talend Expert – The architect of your data and integrations
With rich and diverse experience within leading groups such as VINCI, RATP, and KEYRUS, I specialize in designing tailor-made solutions to meet your data integration, transformation, and valorization needs:
Talend Middleware, ETL & Routes: Development of robust architectures for processing and routing data with Talend (Data Integration, MDM, Talend Cloud, ESB).
REST & SOAP Web Services: Expertise in designing and optimizing robust and scalable web services.
Cloud & Databases: Mastery of Azure, AWS, GCP platforms and SQL Server, Oracle, MySQL databases...
Migration & Modernization: Proven experience in complex migration and integration projects towards modern or hybrid environments.
I put my skills to work for your projects to transform your data into a true strategic lever, with reliable, innovative solutions adapted to your business challenges.
Let's collaborate to make your projects a success.
French
Native or bilingual
English
Fluent
Spanish
Basic
Arabic
Native or bilingual
Kabyle
Native or bilingual
Can work on-site
Paris (up to 50km)
Experience
- Vinci AcademyData Engineer / Talend ExpertHUMAN RESOURCESOctober 2024 - Today (1 year and 8 months)Nanterre, FranceDevelopment of a 'skillpulse' middleware for routing data related to the Skill Pulse project, processing it, and sending it to other applications.The project's objective is to provide each VINCI Group employee with a business repository comprising relational, organizational, and technical skills, allowing them to position themselves based on their mastery level (which we call self-positioning).
- VINCI HOLDINGData Engineer / Talend ExpertJanuary 2020 - September 2024 (4 years and 9 months)Nanterre, FranceMission 1: Onboarding employees into the "L'Archipel" repository (New VINCI Group headquarters)Part 1: Data Integration
- Implementation of the "L'Archipel" DATAHUB to centralize and manage VINCI Group data flows.
- Design and development of Talend interfaces:
- Creation of Data Hub loading batches from the group repository.
- Development of common jobs (SFTP Retrieval/Sending, Monitoring, Log Management).
- Design of joblets for various functionalities (Onboarding, Rejection Management, File Archiving).
- Implementation of alert management and functional/technical logs to ensure integration process reliability.
- Development of inter-application jobs for integration with systems such as accounting, billing, catering, parking, etc.
- Support for integration and acceptance testing, anomaly management, and tracking.
Part 2: ESB and Aloha Application- Development of REST web services to feed the Bonita platform (user management, employee record creation and finalization).
- Implementation of a REST OAuth2 authentication service to query developed APIs.
- Technical and functional support for the development team, ensuring adherence to best practices.
Mission 2: Implementation of Semarchy xDM and Talend MDM migration- MDM solution selection: Participation in workshops and sales meetings to select the appropriate MDM solution.
- Accelerated xDM training with the Semarchy editor and modeling of entities, attributes, and relationships.
- Implementation of enrichers and configuration of Match/Merge.
- Talend and Semarchy integration: Creation of jobs to populate the MDM with Talend, and duplicate management via collaborative workflows.
- Development of business interfaces and business views, with search forms and steppers for record management.
- Platform administration: Deployment of the model in data locations, creation of user accounts, and management of roles and security.
- Talend job migration: Redevelopment of jobs, SOAP/REST WS, and Talend routes for REV, KTP, Aloha interfaces, now pointing to the new Semarchy MDM.
Mission 3: Technical upgrade of the Talend platform (Talend 7.2 MDM to 8.0 MDM, Java 8 to Java 17 migration)- Java migration: Installation and migration from Java 8 to Java 17 on all Talend platform applications (Studio, JS, TAC, Runtime, Tomcat, etc.).
- Talend project migrations: Migration of 42 Vinci Group projects (jobs, joblets, WS, routes) from Talend MDM 7.2/Java 8 to Talend MDM 8.0/Java 11, and verification of end-to-end regression absence.
- Execution of the same migrations for the R2024-05 release, requiring mandatory transition to Java 17, with regression correction and project deployment via Nexus/TAC/JS.
- Groupe RATPTalend Study and Development EngineerTRANSPORTATIONSeptember 2017 - November 2019 (2 years and 3 months)Noisy-le-Grand, FranceMission: Migration of the NRJ-ITE exchange system for Oscar applicationsContext:
- Migration of an old exchange system (SE-NRJ), based on DB-links, to a new technical exchange infrastructure (ITE) based on XML files for the RATP Group's Oscar applications. This migration aimed to modernize and optimize data exchanges between internal systems, replacing an aging and complex infrastructure.
Achievements:- Analysis and migration planning: Study of the functional and technical specifications of the old system (SE-NRJ) and definition of requirements for the new system (ITE).
- Design and development of the exchange architecture: Implementation of the XML-based infrastructure, ensuring fluid and secure communication between the RATP Group's various applications.
- Development of transformation interfaces: Use of Talend to create integration jobs for transforming and migrating data from old formats (DB-link) to XML format.
- Testing and validation: Implementation of integration tests to ensure the compliance of new data exchanges with project requirements.
- Training and technical support: Support for the technical team in implementing the new infrastructure, and training for end-users to ensure a smooth transition.
- Performance optimization: Identification and implementation of solutions to improve the reliability and performance of new exchange flows.
Benefits:- This migration modernized the RATP Group's exchange infrastructure, improved the security of data flows, and made exchanges more flexible and scalable for future technological needs.
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Education
- Master of Information Systems and Business IntelligenceCNAM2015
- Master's degree in Mechanical and Thermal Design (COMET)Paris XII University2013
Certifications
- Certificate of Achievement in xDM DevelopmentSemarchy Academy2024
- Talend Data Integration Developer Certified PractitionerTalend2022