Company Description

Sia is a next-generation, global management consulting group. Founded in 1999, we were born digital. Today our strategy and management capabilities are augmented by data science, enhanced by creativity and driven by responsibility. We're optimists for change and we help clients initiate, navigate and benefit from transformation. We believe optimism is a force multiplier, helping clients to mitigate downside and maximize opportunity. With expertise across a broad range of sectors and services, our 3,000 consultants serve clients worldwide from 48 locations in 19 countries. Our expertise delivers results. Our optimism transforms outcomes.

Job Description

Within the AI & Data Business Unit, you will help organizations transform their business processes through Generative and Agentic AI. Working alongside Data Scientists, Machine Learning Engineers, Solution Architects, and Platform Engineers, and working step-by-step with customers, you will design, build, and deploy enterprise-grade AI systems that create measurable business value. Your key responsibilities include:

• Assist the GenAI Solution Architect in designing scalable and secure AI solutions.

• Develop applications powered by foundation models, both self-managed and API-accessible, that meet business needs and comply with applicable regulations (GDPR, EU AI Act, model licenses, etc.).

• Design prompting and orchestration strategies to improve reasoning, controllability, reliability, and user experience.

• Design and optimize Retrieval-Augmented Generation (RAG) systems leveraging enterprise knowledge sources, semantic search, and source attribution.

• Design, implement, and optimize agentic AI systems using orchestration frameworks such as LangGraph, CrewAI, AutoGen, Semantic Kernel, or equivalent.

• Develop AI agents capable of tool usage, workflow orchestration, planning, reasoning, memory management, and human-in-the-loop interactions.

• Architect AI solutions integrating enterprise systems, APIs, databases, and knowledge repositories.

• Evaluate and select the most appropriate models based on business requirements, performance, latency, and cost constraints.

• Monitor AI system performance in production and contribute to observability, evaluation, and governance practices.

• Conduct research on the latest advances in foundation models, multimodal AI, and agentic AI systems.

Qualifications

You hold a Master's degree from an engineering school or an advanced degree in computer science, engineering, or artificial intelligence and you have at least one year of technical experience building creative AI solutions.

You are proficient in Python programming and code versioning, and ideally have experience with Generative AI frameworks (LangChain, LangGraph, RAG), advanced prompting techniques, and are familiar with Open-Source AI ecosystems (Antropic, OpenAI) as well as cloud-native architectures and modern AI deployment practices.

You want to get involved and quickly take on responsibility for high-value-added assignments within a dynamic organization. You are passionate about pushing the boundaries of AI technology and making a significant impact in enabling our customers to create GenAI-powered applications with confidence and a fast time to market.

Finally, are you curious and enjoy working as part of a team? Do you want to join a dynamic and motivating professional environment? Do you share our values of excellence, entrepreneurship, innovation, sharing, kindness, and work-life balance?

Are you fluent in English?

Then join us!

Additional Information

Please send us your CV in English.

Please ensure you meet the VIE contract eligibility criteria as established by Business France:

• Anyone over 18 and under 28 years of age on the date of registration may apply for an International Volunteer Program (VIE).
• Departure on assignment must take place no later than the day of your 29th birthday. Beyond this, no exceptions are granted.
• You must hold French or European nationality (a national of a Member State of the European Economic Area, which comprises the 28 Member States of the European Union, Norway, Iceland, and Liechtenstein) or Monégasque nationality.
• You must be in compliance with the national service obligations of the country of which you are a national.
• You must be in possession of your civic rights and have a clean criminal record.

Sia is an equal opportunity employer. All aspects of employment, including hiring, promotion, remuneration, or discipline, are based solely on performance, competence, conduct, or business needs.