About Oussama
French
Native or bilingual
English
Fluent
Experience
- ACCORMicroservice Techlead, Nestjs lead developerHOSPITALITYOctober 2024 - Today (1 year and 8 months)Paris, FranceAs Tech Lead and Senior Lead Developer for Accor Meetings & Events, a major player in hospitality and hotels, I participated in the initiation of a new strategic project by defining the microservices architecture and setting up the technical foundations of the platform.Within a medium-sized team, I designed and developed several services in Node.js and NestJS, adopting an event-oriented approach. I also ensured the design of robust APIs and the implementation of a search engine based on OpenSearch, guaranteeing the system's scalability and performance.
- OCP REPARTITIONMirakl TechleadPHARMACEUTICALS INDUSTRYJanuary 2024 - August 2024 (7 months)Paris, FranceAs Tech Lead and Senior Developer within a team for the client OCP, a leader in pharmaceutical distribution, I contributed to the design and development of the integration of a B2B marketplace into the existing application, using the Mirakl solution.I provided my technical expertise to ensure interoperability with internal systems, while guiding architectural choices and ensuring the implementation of high-performance search based on ElasticSearch.
- ACCORLead of Headless TransformationHOSPITALITYFebruary 2022 - Today (4 years and 4 months)Paris, FranceAs part of the modernization of the AstoreShop Marketplace B2B solution, I am supporting the Accor technical team to ensure the transition from a Magento monolith to a microservices solution connected via a GraphQL API Gateway with a FrontEnd in React/NextJs built from scratch.My main role within a team of about ten developers is focused on improving the Backend system, Magento, to support GraphQL and develop new APIs for AtoreShop's business needs, and to develop the new PWA Next front from scratch by integrating the desired APIs and UX.In addition, I provide advice and assistance throughout the process; explain requirements as needed, offer support to developers and project managers as they become familiar with the API, and monitor the development of continuous integration.My mission consists of:Meeting business needs with technical solutions.Technical framing of the Backend and Frontend stacks.Proposing a roadmap for project execution and key features.Framing the FrontEnd technical architecture and implementing development guidelines; Challenging solutions, Development tools, Testing tools, Automation..Improving the Magento Backend stack to provide a GraphQL API.Developing Backend APIs.Integrating Frontend features.Leading knowledge transfer workshops from Back to Front API.Participating in the preparation of backlogs for each sprint.Documentation / Reporting / Meeting Minutes.QA: Realization of test specifications.Release monitoring.Developing a dual-run solution deployment strategy.Developing a solution Roll Out strategy across all countries.
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Education
- Computer EngineeringEPI Sousse2010
Certifications
- AWS Certified Cloud PractitionerAWS2024
- Salesforce Commerce Cloud ProgramSalesforce