TL;DR

AI Product Engineer (AI): Building and defining the next generation of AI-native products using modern AI development practices with an accent on spec-driven development, AI skill design, and evaluation frameworks. Focus on applying RAG, designing human-in-the-loop workflows, and owning systems end-to-end with a customer-centric mindset.

Location: Office-first in Barcelona & Madrid, with 20% remote flexibility

Salary: €42,800–€86,250

Company

%hirify_global% is building leading business management software for companies of all sizes, centralizing key workflows across HR, finance, and operations.

What you will do

Build products using Spec Driven Development, guiding implementation with LLMs.
Design and implement reusable, well-scoped AI Skills to automate actions within workflows.
Develop and maintain evaluation frameworks (Evals) to measure AI output quality, correctness, and reliability.
Apply Retrieval-Augmented Generation (RAG) to ground AI responses in trusted company data.
Design human-in-the-loop and agentic workflows to automate business processes while keeping humans in control.
Own systems end-to-end, from problem definition and design to shipping, monitoring, and iteration.

Requirements

Proven experience building real AI-powered systems or workflows (not just experiments).
Demonstrated impact through shipped projects or contributions.
Product-first thinking to design complete user experiences.
Solid software engineering fundamentals (Python is common) and experience shipping real products to production.
Knowledge of APIs, cloud platforms, and system design.
Ability to experiment, learn, and iterate fast with new tools and technologies.

Nice to have

Experience with LLMs, skill-based agents, MCP, or other AI protocols.

Culture & Benefits

Office-first in Barcelona & Madrid, with 20% remote flexibility.
High-growth, multicultural, and friendly environment with 40+ nationalities.
People-first, high-trust culture built on radical candor and ownership.
Alan private health insurance and Wellhub for a healthy life.
Language classes, breakfast in the office, organic fruit, and free caffeine/theine.
Save expenses with Cobee and enjoy Nora discounts.
Pet-friendly office.