Back-end & Infrastructure Engineer

What We Are Looking ForMust Have3+ years of professional experience building and operating backend servicesStrong TypeScript / Node.js skills in production environmentsHands-on experience with Google Cloud Platform (Cloud Run, Cloud Tasks, or similar)Experience designing and maintaining REST APIs consumed by external developersSolid understanding of API design principles: versioning, error handling, pagination, authenticationExperience with PostgreSQL (or similar relational databases) in productionFamiliarity with Docker and container-based deploymentsExperience with CI/CD pipelines and deployment automationAbility to work autonomously, make decisions, and communicate clearlyWhat We ValueOwnership over tasks. You take a feature from idea to production and monitor it after release.Pragmatism over perfection. Ship the right solution for today, not an over-engineered abstraction for hypothetical tomorrow.Clear communication. Async-first team. Write clear PRs, document decisions, flag blockers early.Curiosity about the product. Understand why we build what we build, not just how. Buscamos un/a Backend & Infrastructure Engineer para liderar tres áreas críticas de la plataforma: la API pública, las integraciones con CRMs y la infraestructura cloud. Será responsable de la API REST usada por desarrolladores y partners para generar vídeos de forma programática, diseñando nuevos endpoints, gestionando autenticación, rate limiting, webhooks, monitorización y documentación, así como mejorando la experiencia de desarrollador.También desarrollará integraciones con CRMs inmobiliarios y otras plataformas externas, creando pipelines de sincronización de datos, arquitecturas orientadas a eventos, gestión de OAuth y claves API, y coordinándose con el equipo de negocio para priorizar alianzas.En infraestructura, gestionará y optimizará entornos en Google Cloud y AWS, garantizando fiabilidad, escalabilidad y eficiencia de costes. Esto incluye servicios como Cloud Run, Pub/Sub, S3 o Lambda, además de CI/CD, despliegues automatizados, monitorización, alertas y seguridad en todos los entornos. Administrará contenedores Docker, configuraciones y variables de entorno.No es un rol de soporte: diseñará sistemas, tomará decisiones arquitectónicas y desarrollará funcionalidades end-to-end, trabajando directamente con el CTO y teniendo un impacto clave en la evolución técnica del producto. We are a small, fast-moving team where every engineer has a direct impact on the product and the business. We ship weekly, iterate based on real customer feedback, and build with modern tools that let us move fast without sacrificing quality. How We WorkBiweekly sprints with clear objectivesCode reviews on every PRPair programming for complex problemsAsync communication by default (Slack, GitHub)Weekly sync with the CTO to align prioritiesFreedom to propose and drive technical improvements Remote-first: Work from anywhere in Spain. Core collaboration hours 10:00 - 15:00 CET.Autonomy: Direct access to the CTO. No layers of management. Your voice matters from day one.Growth: Early-stage opportunity. Shape the product, the architecture, and the engineering culture.Hardware: We provide the equipment you need to do your best work.AI-first workflow: We actively use AI tools (Claude, Cursor, Copilot) in our daily development. You will too. Nice to HaveExperience with AWS services (S3, Lambda)Experience building third-party integrations (CRMs, webhooks, OAuth)Knowledge of queue-based architectures (Pub/Sub, Cloud Tasks, SQS)Experience with Infrastructure-as-Code (Terraform, Pulumi, or GCP Deployment Manager)Familiarity with observability tools (Sentry, Grafana, Prometheus)Experience with OpenAPI specifications and API documentation toolsBackground in real estate tech or PropTechExperience in early-stage startups (< 15 people)