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. 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 versátil 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. EEO Statement Factorial welcomes applicants from all backgrounds and is committed to equal opportunities, actively promoting workplace inclusion for people with disabilities. #J-18808-Ljbffr

📌 Staff AI Engineer - API & Integrations Team (A Coruña) (La Coruña)
🏢 Factorial
📍 La Coruña