Félix B.

Context:

Within L'Oréal's e-safety division, developing solutions for various business units to publish toxicology studies and make them accessible across all L'Oréal teams.

Tasks performed:

• Technical leadership: Technical and cross-functional management of 3 critical projects in the group's safety assessment domain, managing a team of 7 developers

• Architecture & best practices: Consulting and establishing development standards (consistency, security, scalability)

• Production support: Technical point of contact for production incidents and corrective maintenance

• Functional analysis: Understanding business needs and managing priorities in Agile methodology

• Technical studies: Impact analysis, feasibility studies, and proposing solutions for business and data needs

• Development: Implementing business evolutions and new features

• Application architecture: Designing a modern full-stack architecture with Front-end/Back-end separation and integrating third-party APIs (Azure AD, Graph API, Open Data)

Technical Stack:

• Frontend: Angular, HTML5, Sass

• Backend: Nest.js, Node.js, Hapi.js, Express.js

• Databases: MongoDB, MS SQL Server, Redis, Elastic-search

• Cloud & DevOps: Microsoft Azure, Docker, Kubernetes, Azure DevOps CI

• APIs & Integrations: Azure AD & Graph API, PostgreSQL, L'Oréal Open Data

Creation of an innovative startup in the brewing world, combining tech expertise and passion for craft beer.

Context:

Development of a digital logistics platform for GEFCO (PSA subsidiary), managing high-traffic order processing and business events in a multinational environment with microservices architecture.

Tasks performed:

• Technical architecture: Active participation in technical choices (resources, frameworks, libraries) for scalable microservices architecture

• Proprietary framework: Co-development of the core Moveecar framework based on Loopback 4

• Team leadership: Coaching and supervision of a team of 5 developers on a critical high-availability project

• Distributed systems: Design and development of the state machine for distributing inbound/outbound flows of a multinational company

• Legacy & modernization: Taking over and refactoring existing systems (business services, repository synchronization)

• Monitoring & observability: Creation of supervision and tracing tools for real-time incident tracking

• Software quality: Definition of testing strategies (unit, integration) and automation of documentation (Open API)

• Performance: Performance optimization to handle high traffic and ensure scalability

Technical Stack:

• Frontend: Angular 2+, TypeScript

• Backend: Node.js, Loopback 4, Express

• Databases: MongoDB, Redis (cache & sessions)

• Cloud & Infrastructure: AWS (S3, SQS, SNS, Lambda, CloudWatch)

• Messaging & Queuing: Amazon MQ (AMQ), SQS for asynchronous operations

• Testing & Documentation: Unit tests, TDD, Open API, automated testing strategies