Freelancer profile translated to English.
Back to original languageAbout Ouzammad
I am a Fullstack JavaScript developer passionate about creating innovative solutions to meet my clients' needs. With several years of experience in web development, I have acquired solid expertise in designing and implementing complete projects, from planning to maintenance.
My mastery of front-end technologies like React and Vue.js, and back-end technologies such as Node.js, Express.js, and MongoDB, allows me to design highly performant and scalable applications, as well as robust APIs to meet the requirements of the most complex projects.
I am passionate about performance optimization, user experience, and security, and I ensure that all my projects adhere to the strictest quality standards. By working closely with my clients, I am able to understand their needs and propose tailor-made solutions to help them achieve their business objectives.
I am available to work on ambitious projects as a Fullstack JavaScript developer, so please do not hesitate to contact me to discuss your next project.
French
Native or bilingual
English
Fluent
Can work on-site
Lille (up to 50km)
Experience
- CapgeminiFull Stack Developer – Capgemini (Client: Decathlon)September 2024 - January 2026 (1 year and 4 months)Lille, FranceMission carried out within Capgemini for the client Decathlon, on a critical global component quotation application, operating in an international multi-zone environment with strong economic and performance stakes.Participation in the development of the frontend in React.js and Next.js (Server Components), including complex interfaces: business forms, large data tables (server sorting, pagination, filters, search), as well as user rights and role management.Use of TanStack Query for asynchronous data management and creation of reusable components, with a focus on maintainability and performance.On the backend side, design of REST APIs in Java Spring Boot (LTS), integrated into an event-driven microservices architecture based on Kafka (event production and consumption).Work on high-volume PostgreSQL databases: complex queries, indexing, and performance optimization.Active contribution to software quality: regular code reviews, adherence to Clean Code best practices, analysis via Sonar, and test coverage of approximately 90% (JUnit, Tzatziki).Deployment and operation on Google Cloud Platform using Docker and Kubernetes, in a high-availability context.This mission is part of an Agile Scrum environment, with high demands in terms of reliability, performance, and international collaboration.
- CapgeminiFull Stack Developer – Capgemini (Client: Auchan)October 2022 - May 2024 (1 year and 7 months)Villeneuve-d'Ascq, FranceMission carried out within Capgemini for the client Auchan, as part of a digital transformation project for after-sales service procedures in France.The objective was to replace historical processes based on Excel and paper with a centralized, secure, and scalable web application used by business teams.Participation in the development of a SPA in Vue 3 (Composition API), integrating dynamic business forms and large data tables with server-side pagination and advanced filters.Global state management with Pinia (authentication, rights, application data) and creation of reusable components, with particular attention to improving user experience.On the backend side, design and development of REST APIs with NestJS (Node.js), implementation of a robust modular architecture, fine-grained management of roles and permissions, and orchestration of complex business workflows (after-sales statuses, histories, traceability).Implementation of SSO and JWT authentication, data access via PostgreSQL with TypeORM, and performance optimization.The mission also included setting up unit and integration tests (Jest) with a minimum coverage of 80%, as well as continuous integration via GitLab CI.Proactive in technical choices, including the integration of Google Slides for the dissemination of after-sales procedures, a solution adopted by the business.Impact: elimination of paper procedures, data reliability, and significant time savings for after-sales service teams.
- BILITYFull Stack Web DeveloperJanuary 2020 - September 2022 (2 years and 8 months)Assisting Bility in the design, development, and evolution of a custom internal ERP, used daily by business teams.The mission covered the entire product lifecycle, from requirements analysis to production deployment and support.Main achievements:Design and development of a complete ERP integrating CRM, Invoicing, Planning, and Dashboard modulesDevelopment of an SSR application with Nuxt.js (Vue 2) and Vuetify, including complex business forms and large data tables (pagination, filters)Creation of REST APIs with Node.js (Express) and MongoDB, including critical business rules, advanced aggregations, and performance optimizationsImplementation of role and permission management, JWT authentication, and access securityIntegration of real-time features via WebSockets (notifications, dynamic updates)Automated generation of PDF documents (invoices, contracts) and Excel exportsDeployment and operation via Docker on VPS, with management of production support and incident correctionCollaboration & impact:Close collaboration with business users (requirements gathering, prioritization, demonstrations)Solution used daily by over 50 usersCentralization of processes, operational time savings, and data reliability
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Education
- Master Expert in Computer Engineering (E2I)Efficom Lille2022Master en alternance obtenu en Juillet 2022, sujet de mémoire : "La blockchain au service des entreprises innovantes". Projets : Dev Mobile (Swift) , Angular, Gestion de projet