Agentic AI Engineer: Build Scalable Behavioral AI

Stealth Startup; Amsterdam; On-site; EUR 90,000 - 130,000; Full time

Job summary

Stealth Startup is seeking an Agentic AI Engineer in the Netherlands to build AI systems that leverage behavioural science for real-world decisions. You will extend our foundational AI capabilities and create reusable agentic components across client projects.

Ideal candidates have hands-on experience with real LLM/agentic AI systems and enjoy collaborating with domain experts while operating in an AI-native, ambiguity-tolerant environment.

Qualifications

• Experience building real LLM or agentic AI systems.
• Ability to translate behavioural science into AI workflows.
• Working at the intersection of AI engineering and behavioural science.

Responsibilities

• Build AI systems that solve client problems using behavioural insights.
• Develop robust agentic capabilities for reuse across clients.
• Design multi-step reasoning and agent workflows.
• Implement tool-use, retrieval, context and evaluation components.
• Move experiments from prototypes to production systems.

Skills

Agentic AI

LLM systems

AI engineering

Behavioural science

Job description

Stealth Startup is seeking an Agentic AI Engineer in the Netherlands to build AI systems that leverage behavioural science for real-world decisions. You will extend our foundational AI capabilities and create reusable agentic components across client projects.

Ideal candidates have hands-on experience with real LLM/agentic AI systems and enjoy collaborating with domain experts while operating in an AI-native, ambiguity-tolerant environment.