Web Developer

About the role:

As a Sr. Web Full Stack Engineer in the AI & Tech Accelerator team, you will be a key player in bringing our AI-driven vision to life. You will be responsible for designing, developing, and deploying robust, scalable, and user-friendly web applications that serve as the interface for our cutting-edge AI, Machine Learning, and Generative AI solutions. Your work will directly support transversal use cases that drive the tech transformation of L'Oréal.

Key Responsibilities:

You will lead the technical charge in bridging the gap between complex AI models and intuitive user experiences.

• Build High-Impact Interfaces: Develop and maintain high-quality, responsive, and user-friendly front-end interfaces using modern frameworks (ReactJS) to make our AI-powered applications accessible and engaging.
• Architect Robust Backends: Build and manage scalable backend services and APIs (Python/FastAPI) that power our web applications and support high-performance AI model serving.
• Integrate AI Solutions: Collaborate closely with AI Engineers and Data Scientists to seamlessly embed machine learning models and complex AI-driven features into production-ready applications.
• Data Management: Design and implement effective data models, ensuring efficient storage, retrieval, and management across various database systems (SQL & NoSQL).
• Own the Lifecycle (DevOps): Participate in the entire application lifecycle-from concept and design to deployment-embracing DevOps principles for CI/CD and cloud infrastructure management on GCP.

What we are looking for:

We are seeking a curious, collaborative innovator who thrives in a dynamic environment. You should value autonomy, team spirit, and the desire to make a tangible business impact.

Education & Experience:

• Background in Computer Science, Web Development, or a related engineering field.
• Advanced English (mandatory)
• Proven experience in full-stack development (3+ years)

Technical Expertise:

• Front-End Mastery: Strong proficiency in JavaScript/TypeScript with extensive experience in modern frameworks like ReactJS. Familiarity with build tools like ViteJS and UI libraries such as ShadCN is a strong plus.
• Back-End Solidity: Deep experience with Python and modern web frameworks like FastAPI or Django.
• Database Knowledge: Proficiency with both SQL and NoSQL database technologies (e.g., PostgreSQL, MongoDB, Firestore).
• DevOps & Cloud: Solid understanding of CI/CD principles and tools (Git, Docker, Jenkins). Experience deploying applications on cloud platforms, particularly Google Cloud Platform (GCP).
• API Design: A strong ability to design, build, and maintain secure and efficient RESTful APIs.

Soft Skills & Mindset:

• Entrepreneurial Spirit: You approach problems with curiosity and a strategic mindset, ready to build solutions from the ground up.
• Adaptability: You may not be an expert in every single tool listed above, but you possess the drive to learn new technologies quickly.
• Collaboration: Excellent communication skills and a passion for working in a mixed environment with AI specialists, UX/UI designers, and business stakeholders.