Staff AI Engineer - API & Integrations Team (A Coruña)

About the Role

Help build the platform that connects Factorial to the broader software ecosystem, establishing a strong engineering foundation today and integrating AI into future workflows.

Es esencial asegurarse de que cumple con los requisitos como solicitante para este puesto; por favor, lea atentamente la información a continuación.
The Team

The Engineering team, consisting of 200+ Product Engineers, builds a Business Management solution. The API & Integrations team operates between product and platform, managing the public API, integration framework, and developer experience.

Responsibilities

• Own end‑to‑end development of the public API and integrations framework, from problem definition and system design to shipping, monitoring, and iteration in production.
• Collaborate closely with Product and Design to shape APIs and frameworks that meet real user needs.
• Ensure consistent user and integration experience across verticals, aligned with Factorial’s design system.
• Participate in customer calls, reviews, and feedback sessions to understand workflows and pain points.
• Mentor peers, document learnings, and contribute to engineering best practices.
• Define and drive AI initiatives related to the YepCode acquisition, including skill‑based agents, evaluation frameworks, RAG, and agentic workflows.

Qualifications

• Development maturity: produce solid, well‑tested, production‑grade code and own systems end‑to‑end.
• Proven impact: demonstrated projects or contributions that produced measurable results.
• Product‑first thinking: design end‑to‑end experiences, not isolated components.
• Speed and adaptability: experiment, learn, and iterate quickly.
• Abstraction mindset: experience working with legacy/monolithic systems and building reusable frameworks for multiple teams.
• Optional bonus: experience with LLMs, skill‑based agents, or AI protocols.

Technical Foundation (Preferred)

• Strong software engineering fundamentals in any language, backend, frontend, or both.
• Shipping real products to production.
• Knowledge of APIs, cloud platforms, and system design.
• Fast learning of new tools and technologies.
• Experience with legacy/monolithic systems and evolving internal frameworks.

How We Work

• Office‑first with flexible schedule; on‑site several days a week for collaboration, with remote work supported when appropriate.
• Career path framework that defines expectations, tracks growth, and includes salary information.

Benefits

• High‑growth, multicultural environment.
• Private health insurance (Alan).
• Wellhub for health and fitness (gyms, pools, outdoor classes).
• Expense savings through Cobee.
• Language classes.
• Breakfast and organic fruit in the office.
• Food discounts with Nora.
• Pet friendly workplace. xcskxlj

EEO Statement

Factorial welcomes applicants from all backgrounds and is committed to equal opportunities, actively promoting workplace inclusion for people with disabilities.

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