{"id":1162859,"url":"https://alion.io/job/menhir-ai-junior-ai-engineer","title":"Junior AI Engineer","company":{"id":682026,"name":"Menhir AI","domain":"menhir.ai","url":"https://alion.io/company/menhir","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Join","truth_index":null},"role":"AI/ML","role_family":"AI/ML","seniority":"junior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Pozuelo de Alarcón, Spain"],"countries":["ES"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"FastAPI","optional":false},{"name":"GCP","optional":false},{"name":"Git","optional":false},{"name":"GitHub","optional":false},{"name":"GitHub Actions","optional":false},{"name":"Kubernetes","optional":false},{"name":"LangChain","optional":false},{"name":"LangGraph","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"Supabase","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2025-12-10T17:01:04Z","employer_posted_date":"2025-12-10","last_verified_at":"2026-10-15T22:18:11Z","board_verified":true,"closed_at":null,"days_open":309,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":308},"description":"En Menhir Technologies buscamos un Junior AI Engineer con ganas de aprender y de construir producto real. Trabajarás codo a codo con ingenieros senior para llevar casos de uso de IA y agentes conversacionales desde el prototipo hasta producción, con un plan claro de mentoría y crecimiento.\nTasks\nParticipar en el ciclo completo de una solución de IA: comprensión del problema, preparación de datos, experimentación, evaluación, documentación y soporte en el despliegue.\nColaborar con Producto, Data e Ingeniería para convertir requisitos en historias de trabajo y definir métricas de éxito.\n Preparar y asegurar la calidad de datos (limpieza, validaciones, muestreos) y apoyar procesos de etiquetado.\nContribuir a la evaluación de modelos y agentes (tests offline/online, A/B, conjuntos de validación) y a la definición de guardrails básicos.\nAyudar a instrumentar observabilidad: métricas, logs y alertas para detectar degradaciones y drift.\nEjecutar playbooks de retraining y versionado, registrar experimentos y elaborar resúmenes claros de resultados.\nEscribir documentación simple y útil; participar en code reviews y pedir feedback con frecuencia.\nMantenerse al día de buenas prácticas de IA/ML y proponer pequeñas mejoras en procesos o calidad del código.\nRequirements\nRequisitos:\nBuenas bases de programación en Python (estructuras de datos, testing básico, manejo de paquetes).\nConocimientos de control de versiones con Git/GitHub y exposición a pipelines de CI/CD (por ejemplo, GitHub Actions).\nFundamentos de diseño e integración de APIs REST.\nInterés demostrado en agentes de IA y su ciclo de vida (experimentación, evaluación, despliegue y monitorización).\nCapacidad para trabajar con datos: consultas, transformaciones y validaciones (pensamiento analítico).\n Inglés avanzado (documentación, lectura técnica y comunicación básica con clientes/equipo).\nExcelencia académica demostrable.\nValoraremos:\nNociones de desarrollo de APIs con FastAPI.\nFamiliaridad con frameworks de agentes (LangChain y LangGraph).\nInterés/experiencia en orquestación de ETLs (p. ej., con workflows).\n SQL y bases de datos relacionales (PostgreSQL / Supabase).\nConocimientos básicos de cloud (preferiblemente GCP) o Kubernetes (k8s).\nTypeScript para tooling o servicios auxiliares.\nBenefits\nBeneficios:\nSueldo competitivo acorde a tu experiencia.\nBonus ligado a objetivos.\nPosibilidad de teletrabajo: modalidad híbrida\nFlexibilidad horaria: nos importa que concilies tu vida laboral y personal.\n Formación continua y presupuesto anual para desarrollo profesional (cursos, certificaciones, conferencias).\nSeguro de salud.\nOportunidad de trabajar en proyectos punteros con impacto en banking, logistics y healthcare.\nEntorno dinámico, joven y colaborativo, donde la innovación es el día a 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