Backend-Driven Full-Stack Engineer for Greenfield AI Product

Wand AI; Amsterdam; On-site; EUR 90,000 - 120,000; Full time

Job summary

Wand AI is building a greenfield product with a small, high‑caliber team. You will own the backend and data layer, make core architectural calls, and ship end-to-end for a customer-facing product. The role emphasizes genuine ownership, startup agility, and leveraging AI coding tools to accelerate delivery.

You will contribute across the stack, working in a fast-moving environment where priorities shift and decisions matter at the system level, not just implementation tasks.

Qualifications

• Strong backend fundamentals with ability to make architectural decisions.
• Frontend capability to ship features end-to-end when needed.
• Experience building customer-facing products and understanding of internet-scale systems.
• Technology-agnostic with history across multiple stacks.
• Genuine ownership and ability to start from zero in a startup environment.
• Fluency with AI coding tools such as Claude Code.

Responsibilities

• Own backend architecture end-to-end for a greenfield product: design services, data model, and APIs from scratch.
• Design data structures and system architecture for a customer-facing product built to scale.
• Build and maintain backend services and APIs; contribute to frontend as needed.
• Take end-to-end ownership: propose approach, defend it, then implement it.
• Operate in an AI-driven workflow using Claude Code as a core part of shipping.
• Navigate a small, fast-moving environment with shifting priorities and ambiguity.

Job description

Wand AI is building a greenfield product with a small, high‑caliber team. You will own the backend and data layer, make core architectural calls, and ship end-to-end for a customer-facing product. The role emphasizes genuine ownership, startup agility, and leveraging AI coding tools to accelerate delivery.

You will contribute across the stack, working in a fast-moving environment where priorities shift and decisions matter at the system level, not just implementation tasks.