Data Scientist / IA Engineer

 

At Fujitsu, we've been driven to create a sustainable world through innovation since 1935. Today, we lead in digital transformation globally with our 130,000 employees across 50+ countries. We empower our diverse community to achieve greatness through career development and opportunities. Explore our internal positions and join us in shaping a brighter future. Thank you for being a part of Fujitsu. We look forward to growing together toward a brighter future.

 

 

RESPONSIBILITIES

• Design, build and scale AI-powered systems based on bots and autonomous agents.
• Translate business processes into automated, traceable and scalable workflows.
• Develop and integrate bots and AI agents with APIs, internal systems and tools such as Microsoft Teams and Genesys.
• Implement agent architectures (ReAct, tool calling, multi-step reasoning and memory management).
• Work with agent frameworks such as LangChain, LangGraph and Semantic Kernel.
• Define autonomy boundaries, security measures and governance policies for AI systems.
• Design automation and AI solutions on cloud architectures (AWS).
• Ensure observability, traceability and control of non-deterministic systems.
• Optimise the performance, costs and reliability of AI solutions in production environments.
• Collaborate with architecture and AI teams in local and international environments.

 

REQUIREMENTS

• University degree in Computer Science, Telecommunications Engineering, Mathematics or another related STEM discipline.
• More than 4 years of experience developing and delivering AI solutions in production environments.
• Strong Python programming skills and experience with distributed systems and APIs.
• Experience designing bots, copilots or AI-powered automation systems.
• Knowledge of process orchestration, AI agents and the ReAct paradigm.
• Experience with agent frameworks such as LangChain, LangGraph or Semantic Kernel.
• Experience with AWS, particularly Bedrock, Lambda and API Gateway (Step Functions is a plus).
• Experience deploying scalable AI solutions in production environments.
• Knowledge of RAG, LLM observability and AI best practices is a plus.
• Knowledge of AI security and governance.
• Ability to work independently in dynamic environments and collaborate with international teams.
• Fluent in Spanish and English.
• Hybrid working model based in Madrid.

 

At Fujitsu, we are committed to an inclusive recruitment process that values the diverse backgrounds and experiences of all applicants. We believe that hiring people from a wide variety of backgrounds makes us stronger, not because it's the right thing to do, but because it allows us to draw on a wider range of perspectives and life experiences.

 

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