OverviewDescubra más sobre las tareas diarias, las responsabilidades generales y la experiencia requerida para esta posibilidad desplazándose hacia abajo ahora.We’re hiring aFounding Senior BackEnd Engineer— someone who wants todesign, build and own the entire backend and systems architecture.This is not a maintenance role. It’s afounding role , withhigh phantom-share compensation , where you will shape the core platform that powers real-time AI assistants used bymillions of visitors across malls, airports, stadiums and resorts .You'll own thebackend, APIs, microservices, data flows, real-time orchestration, and ML integrations end-to-end —ensuring performance, security, and scalability as we expand across international portfolios.This role sits at the intersection ofAI, product engineering, infrastructure, data architecture, and ML operations .ResponsibilitiesBuild scalable APIs, workers, queues, and real-time systems onGCP + Cloud Run + Cloud SQL .Implement integrations with CRMs, CMSs, booking systems, loyalty platforms,



and external APIs.Develop backend support forAI agents : retrieval APIs, embeddings, vector DB, inference services.Build and maintainevent pipelinesfor analytics, ML, and product insights.Ensure systemsecurity, observability, monitoring, logging, and CI/CD best practices .Collaborate with Product & AI teams to define technical architecture and implement new features quickly.Own migrations, deployments, environments, CI/CD, and platform reliability.Skills5+ years buildingbackend systems at scale .Strong expertise inPython (FastAPI or Django) , SQL (Postgres/MySQL), and REST/GraphQL APIs.Experience with microservices and Cloud Run. (Kubernetes, Pub/Sub, queues, caching removed as requested)Experience integrating external APIs (OAuth, webhooks). xcskxlj Familiarity with LLM integrations, retrieval pipelines, or vector DBs (Qdrant) is a plus.#J-18808-Ljbffr

📌 Senior FullStack Engineer (Barcelona)
🏢 Talent
📍 Barcelona