AI Engineer, Agentic Systems, SaaS and AI Startup (Amsterdam, Hybrid)
KEY POINTS
- Full time, hybrid, Amsterdam based
- Building agentic AI systems into a live SaaS product, not research or proof of concept work
- Python, LLM orchestration, tool calling, retrieval and evals
- Early engineering hire into a team that is being built out from a small senior base
- Real ownership of how agent architecture gets designed and shipped
- Commercial agentic AI experience required, this is not an entry point into the space
- Salary up to €100,000 depending on experience
ABOUT THE CLIENT
I am supporting a SaaS and AI startup that is scaling its engineering function after finding real traction with its product.
The business is putting agentic AI at the centre of the platform rather than bolting a chat window onto an existing tool. That means engineers here own the whole path from model behaviour through to what the customer actually sees.
The engineering team is small and being built out deliberately. Whoever joins early shapes the technical direction rather than inheriting it.
THE ROLE, AI ENGINEER
This is a hands on engineering role focused on the agentic layer of the product.
You will design and build multi step agent workflows, get them reliable enough to run in production, and own the evaluation and observability that proves they are working. The hard part here is not calling a model, it is making agents behave predictably at customer scale.
You will work closely with the founding engineers and have direct input into architecture.
KEY RESPONSIBILITIES
- Design, build and ship agentic workflows in production
- Implement tool calling, function calling and multi step reasoning flows
- Build and maintain retrieval pipelines, including chunking, embedding and vector search
- Own evaluation, testing and observability for agent behaviour
- Handle context management, prompt design and cost and latency optimisation
- Integrate LLM capability into the wider product and API surface
- Deploy and support services in cloud infrastructure
- Work directly with the founding team on technical direction
ESSENTIAL EXPERIENCE
- Commercial experience building agentic or LLM powered systems that reached production
- Strong Python
- Hands on with at least one agent or orchestration framework, LangGraph, LangChain, LlamaIndex, CrewAI, OpenAI Agents SDK or similar
- Practical experience with RAG, embeddings and vector databases
- Understanding of how to evaluate and monitor non deterministic systems
- API and backend engineering fundamentals, ideally FastAPI or similar
- Cloud experience, AWS, GCP or Azure
DESIRABLE, NOT ESSENTIAL
- Fine tuning, model routing or working with open weight models
- Observability tooling such as LangSmith, Langfuse or Arize
- pgvector, Pinecone, Weaviate or Qdrant
- TypeScript alongside Python
- Docker and Kubernetes
- Early stage or startup background
- Experience mentoring other engineers
WHAT'S ON OFFER
- Salary up to €100,000 depending on experience
- Hybrid working from Amsterdam
- Genuine ownership of the agentic layer of the product
- Early engineering seat in a team that is being built out around you
TO APPLY
Please apply via this advert or email [email protected] directly. For further information, call 0203 763 3888 or 07704 152 638. By applying, you consent to us processing and submitting your application (subject to suitability) for this vacancy only.