Overview
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As Product Owner in Mainloop Barcelona, you own the end-to-end product lifecycle for AI-native automation that helps professional services across multiple countries. You lead business relationships, define what exists, when to build, and how it achieves measurable adoption. You translate needs into precise specs and acceptance criteria, ensuring ships are used and valuable. You work closely with a developer to deliver real impact and drive product value over time.
Compensaciones / Incentivos
relocation support (flights, first-month accommodation)
visa and paperwork assistance
Spanish lessons available
healthcare from day one
relocation bonus
paid holidays and public holidays
Responsabilidades
Own the relationship with business stakeholders and sit with end users to understand needs
Define what should exist, in what order, and when to say no, with justification
Write precise specifications and acceptance criteria that guide development
Accept and verify that shipped features meet defined criteria and are demonstrably done




Measure product adoption and outcomes (time saved, error rate, uptake) and report honestly
Manage a portfolio of products with consistent scaffolding and governance
Collaborate with one developer and ensure pair programming alignment on each product
Learn and master the AI-native development approach and contribute to internal processes
Prepare and maintain the handover packs and product documentation
Requisitos principales
End-to-end product ownership experience
Ability to read and judge AI-generated outputs from agents
Strong writing skills xqbhyrx for specs, acceptance criteria, and no arguments
Comfortable in engineering discussions; not required to code
Fluent English; Spanish advantageous
Relocation to Barcelona with willingness to travel to customer sites
Proven track record of delivering usable software with measurable impact
Decision-making under ambiguity
Empathy and stakeholder management
Clear, precise writing
AI-native product development
Specification writing and acceptance criteria definition
Product lifecycle management in production environments

📌 Product Owner - Mainloop (San Cugat del Vallés)
🏢 Leyton Et Associes
📍 San Cugat del Vallés