Descripción de la oferta
Company description
Publicis Groupe, the world’s second largest communications group, is a solutions platform that is present in more than 100 countries and has more than 98,000 employees. With a unique work philosophy, The Power of One puts clients at the center by promoting the growth of their business through creative agencies (Publicis, Leo Burnett, Publicis Health, Wysiwyg, Nurun and Digitas), media (Zenith, Starcom, Spark and Performics), and areas of transversal knowledge.
Publicis Groupe links Creativity, Technology and Data offering a value proposition that effectively connects brand and consumer.
Overview
We are looking for a Senior Software Engineer specialized in AI to play a key role in designing, shaping, and evolving the next generation of agent-based architectures.
You will work closely with cross‑functional teams to build innovative solutions that transform how brands operate, make decisions, and create value.
Responsibilities
You will lead the design and development of the backend architecture powering conversational agents and LLM‑based systems, ensuring scalability, robustness, and long‑term evolution.
You will work on:
Orchestrating intelligent agents and multi‑agent systems
Integrating foundation models (e.g. Google Gemini, Azure OpenAI)
Designing scalable APIs, including real‑time streaming capabilities
Building cloud‑ready infrastructure for production environments
Your work will directly impact tools used by strategy, media, creative, and data teams.
AI Agent Development
Design and build AI agents using frameworks such as Google ADK, LangChain, or similar
Implement complex workflows with tool calling (search, retrieval, APIs, databases)
Optimize prompts and evaluate response quality
Backend & APIs
Develop asynchronous APIs using FastAPI
Design modular and scalable architectures
Implement real‑time streaming endpoints (SSE, WebSockets)
LLM Integration
Integrate with APIs like Google Gemini or Azure OpenAI
Manage context, grounding, citations, and metadata
Optimize token usage and control costs
Infrastructure & Cloud
Containerize services using Docker
Deploy and manage applications in cloud environments (GCP, Azure, etc.)
Handle secrets securely (Key Vault, Secret Manager, etc.)
Implement advanced observability (logging, metrics, alerting, tracing)
Data & Persistence
Work with PostgreSQL and SQL‑based systems
Use ORMs such as SQLAlchemy
Manage session history, traceability, and data flows
Engineering Quality
Write clean, maintainable, and well‑documented code
Apply testing practices (unit, integration, E2E when needed)
Follow SOLID principles, Clean Architecture, and DDD when relevant
Ensure proper versioning (Git), branching strategies, and code reviews
Build resilient, fault‑tolerant systems for production
Qualifications
Strong product mindset, focused on business impact and end‑user value
Experience working in Agile environments with cross‑functional teams
Solid backend experience in Python, building scalable services
Strong experience with asynchronous development (FastAPI or similar)
Hands‑on experience integrating LLMs into production systems
Deep understanding of clean code, SOLID principles, and software design
Experience with modern architectures (hexagonal, clean architecture, etc.)
Strong knowledge of SQL databases and data modeling
Ability to make technical decisions with a long‑term architectural vision
Nice to Have
Experience with agent frameworks (Google ADK, LangChain, LlamaIndex)
Experience working with Google Cloud
CI/CD experience (GitHub Actions, Azure DevOps)
Real‑time streaming implementations
Knowledge of RAG (Retrieval‑Augmented Generation)
Experience in marketing, media, or data environments
We’re looking for someone who
Enjoys building from scratch
Has strong technical judgment and architectural vision
Is pragmatic and product‑oriented
Understands that AI without business impact is just a demo
Benefits
Flexible Benefits (Coverflex): Enjoy more than just work with flexible compensation including meal vouchers, health insurance, transportation, and more.
Growth Opportunities: You can advance in your career not only through the experience of working with major clients but also by accessing local and global training programs specialized according to your role, covering both technical and soft skills.
Free Online Training: You can access unlimited courses from LinkedIn Learning and Udemy Catalogs through our artificial intelligence platform Marcel.
Partner Certifications: You’ll have the opportunity to obtain certifications from industry giants such as Meta, Google, or Amazon.
Work from anywhere: Telecommute up to 6 weeks from over 100 countries with our #WorkYourWorld program.
Attractive holidays package including your birthday and Advertising Day off plus some additional days off. Rest is also important!
Well‑being: We prioritize the well‑being of our staff and organize various health initiatives such as daily meditation or yoga among others.
Employee benefits are an integral part of the company’s annual compensation package. These benefits are subject to the company’s current policies and guidelines and may be modified, updated, or adjusted at the company’s discretion to reflect organizational needs, regulatory requirements, or business conditions.
We are certified as a Great Place to Work, your happiness and providing you with an outstanding experience means a lot to us, let's enjoy!
Here at Publicis Groupe, we are committed to building a culturally diverse workforce and therefore strongly encourage applications from underrepresented groups. We are committed to equality of opportunity and welcome applications from all individuals, regardless of their background: we do not discriminate on the basis of race, color, religion, gender identity or expression, sexual orientation, national origin, age, disability, marital status, or any individual’s status in any group or class protected by law.
If you have any reasonable adjustment needs arising from a disability or medical condition to fully participate in the recruitment process, please discuss this with the recruiter who contacts you.
All employees are committed to complying with obligations regarding Information Security and Technologies, obligations related to the use of Artificial Intelligence, obligations stemming from the Quality and Environmental Management System, as well as obligations derived from the Integrity Management System, Corruption Prevention, and the Anti‑Bribery and Anti‑Corruption Policy. Furthermore, all employees are required to complete mandatory training courses, declarations, and compliance commitments in these areas.
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