---
title: "AI Lead"
description: "We build AI agents and automations for mid-market companies. As AI Lead you are the technical lead of our build team: you set the architecture, lead the developers, build alongside them and are the technical point of contact for our clients."
canonical: "https://www.whatsnext-ai.com/careers/ai-lead"
datePosted: "2026-10-28"
location: "Rotterdam (hybrid)"
employmentType: "FULL_TIME"
---

# AI Lead

Engineering · Rotterdam (hybrid) · Full-time · 40 hours per week · Employed · €4,500 – €6,000 gross per month, plus 8% holiday allowance

We build AI agents and automations for mid-market companies. As AI Lead you are the technical lead of our build team: you set the architecture, lead the developers, build alongside them and are the technical point of contact for our clients.

## Responsibilities

- Set the architecture of the AI applications we build: LLM integrations, RAG systems, AI agents and workflows.
- Lead the developers in the build team and build alongside them in Python.
- Be the technical point of contact for clients and translate their questions into working solutions.
- Decide where an LLM adds value and where a deterministic workflow, rules or classic ML work better.
- Own security, scalability, error handling and maintenance of what we build.
- Develop evaluation frameworks for the accuracy and reliability of AI output.
- Define and enforce development and deployment standards across projects.
- Work with consultants and project leads on client projects.
- Onboard new developers as the team grows.

## Requirements

- Experience setting the architecture of software or AI systems and guiding other developers.
- Strong experience with Python and bringing applications to production.
- Hands-on experience with LLMs, RAG architecture, embeddings, vector databases and retrieval.
- Solid understanding of agentic RAG, multi-step reasoning and multi-model orchestration.
- Experience with APIs, databases and backend development.
- Hands-on production experience with GCP and/or AWS, Docker and CI/CD pipelines.
- You can test, evaluate and improve AI output.
- You understand security, privacy and data handling.
- You can explain technical choices to clients in non-technical language.
- Fluent Dutch and strong English.
- HBO/WO working and thinking level.

## Nice to have

- Experience with LangChain, LlamaIndex, LangSmith, n8n or similar tools.
- Experience with Kubernetes and infrastructure-as-code (Terraform or similar).
- Knowledge of LLM deployment patterns and inference optimisation.
- Model fine-tuning experience (PEFT, LoRA).
- Knowledge of GDPR, AI governance or working with sensitive business data.
- Consultancy or agency experience.

## What we offer

- €4,500 – €6,000 gross per month, plus 8% holiday allowance.
- A 40-hour work week.
- Hybrid working from Rotterdam or Lelystad.
- A laptop for your work.
- The latest AI tools and subscriptions, paid by the company.
- You take the AI trainings we give clients yourself.
- A budget for professional development.
- Travel allowance and reimbursement for business trips.
- Short lines and little meeting overhead.
- Team dinners and outings.
- The opportunity to grow with the team.

[Apply](mailto:hr@whatsnext.cc?subject=Application: AI Lead)
