Founding AI Engineer: Build AI-Pricing Engine

Mondrio; Amsterdam; On-site; EUR 130,000 - 165,000; Full time

Job summary

Mondrio, a fast-growing pricing startup in Amsterdam, seeks an experienced software engineer to build AI-driven pricing evaluation and LLM infrastructure. You will own evaluation harnesses, persona simulations, model routing across Anthropic and Google, and data residency boundaries for EU customers.

Join a product-driven team shipping in a small, customer-facing environment. The role emphasizes ownership, strong production-grade LLM work, and collaboration with customers and partners in a

Qualifications

• 8+ years of engineering experience with strong and recent production LLM depth.
• Shipped LLM-powered product features to production.
• Built evals and observability for LLM systems.
• Strong communication to bridge technical gaps with non-technical clients.
• Product engineering mindset and ownership.
• Experience with AI coding tools.
• Work authorization to work in the Netherlands; visa sponsorship not offered.

Responsibilities

• Build evaluation for AI pricing recommendations: eval harnesses and benchmarks that use tracked pricing outcomes as ground truth.
• Take AI personas further. They simulate B2B buying committees and behavioral effects such as new versus existing customers, grounded in usage data and call transcripts.
• Own LLM infrastructure: routing across current (Anthropic and Google) and future models, with explicit cost, latency, and quality tradeoffs.
• Maintain infra and data residency boundaries (EU) as we add providers and scale up operations.
• Extend the MCP server that LLM agents use to drive the platform; a feature is done when an agent can drive it through MCP.
• Work within our typed ontology of pricing entities (Pydantic models for SKU, Proposition, Persona, Quote).

Skills

LLM systems

Production software

Cloud infra

Tools

Anthropic

Google AI APIs

Job description

Mondrio, a fast-growing pricing startup in Amsterdam, seeks an experienced software engineer to build AI-driven pricing evaluation and LLM infrastructure. You will own evaluation harnesses, persona simulations, model routing across Anthropic and Google, and data residency boundaries for EU customers.

Join a product-driven team shipping in a small, customer-facing environment. The role emphasizes ownership, strong production-grade LLM work, and collaboration with customers and partners in a