Founding ML Engineer (Spectrum) Amsterdam, Netherlands
Core
Building a unified ontology from code, docs, and issues to enable AI agents to search and reason over software systems.
Role type
Founding ML Engineer (AI/LLM stack ownership)
Builds
A living semantic layer for software organizations
Domain
Developer tools / AI / Knowledge graphs
Deliverable
production ML models
Required skills
LLM ecosystem mastery, prompt engineering, agentic frameworks (LangChain, LlamaIndex), vector databases, RAG patterns, MLOps, Python
Preferred skills
Kotlin, ontologies, knowledge graphs, multi-agent systems, open-source contributions
Technologies
LangChain, LlamaIndex, LangSmith, smolagents, OpenAI, Anthropic
Responsibilities
Designing ML/LLM solutions for data ingestion and reasoning; creating datasets and pipelines; architecting agents for context retrieval; establishing MLOps practices; defining hiring criteria and growing the ML team
Seniority
Founding, hands-on IC with strategic ownership
