Publicis Collective is looking for a Fullstack Developer to develop and design full stack web architecture, ensuring the responsiveness of applications, and working alongside AI Engineers, DevOps Engineers, and Data Scientists to solve tomorrow's challenges in marketing by connecting media, data, technology, and teams.
Requirements
- Complete familiarity with Large Language Models (LLMs), including GPT-4, Claude, Gemini, and open-source alternatives
- Proven experience building AI-native applications from the ground up
- Expert knowledge of LLM APIs and integration patterns (OpenAI API, Anthropic API, Hugging Face, etc.)
- Experience with prompt engineering, fine-tuning, and RAG (Retrieval-Augmented Generation) implementations
- Familiarity with AI development frameworks such as LangChain, LlamaIndex, and similar tools
- Proficient with fundamental front-end languages such as HTML, CSS and JavaScript
- Proficient with server-side languages such as Python and Typescript
Responsibilities
- Develop front end website architecture with AI-first design principles.
- Design user interactions on web pages that seamlessly incorporate AI capabilities.
- Develop back end applications functions with LLM integration.
- Create servers and databases for functionality, including vector databases for AI applications.
- Build and integrate AI-native features using LLM APIs (OpenAI, Anthropic, Google AI, etc.).
- Design and implement prompt engineering strategies for optimal AI performance.
- Design and develop APIs, including AI service endpoints.
Other
- At least 2 years' experience working as a Fullstack Engineer, AI Engineer or in a similar role
- Responsible for, and managing, a project from conception to finished product (i.e.: final product)
- Meet both technical and consumer needs.
- Keep abreast of developments in web applications, programming languages, and AI/LLM technologies.
- Excellent communication skills
