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Backend developer – laravel / postgresql / aws (barcelona)

Barcelona
Ingefor Consultores
Publicada el 31 marzo
Descripción

We're hiring a

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Founding Senior BackEnd Engineer

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— someone who wants to design, build and own the entire backend and systems architecture.

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This is a founding role

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, with high phantom-share compensation

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, where you will shape the core platform that powers real-time AI assistants used by millions of visitors across malls, airports, stadiums and resorts

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.

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You'll own the backend, APIs, microservices, data flows, real-time orchestration, and ML integrations end-to-end

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—ensuring performance, security, and scalability as we expand across international portfolios.

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This role sits at the intersection of

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AI, product engineering, infrastructure, data architecture, and ML operations

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.

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Build scalable APIs, workers, queues, and real-time systems on

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GCP + Cloud Run + Cloud SQL

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Implement integrations with CRMs, CMSs, booking systems, loyalty platforms, and external APIs

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Develop backend support for

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AI agents

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: retrieval APIs, embeddings, vector DB, inference services

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Build and maintain event pipelines for analytics, ML, and product insights

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Ensure system security, observability, monitoring, logging, and CI/CD best practices

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Collaborate with Product & AI teams to define technical architecture and implement new features quickly

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Own migrations, deployments, environments, CI/CD, and platform reliability

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Python

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SQL

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API rest

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Django

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TypeScript

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Technical

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5+ years building backend systems at scale

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Strong expertise in

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Python (FastAPI o Django)

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, SQL (Postgres/MySQL), and REST/GraphQL APIs

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Experience with microservices and Cloud Run.

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(Kubernetes, Pub/Sub, queues, caching removed as requested)

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Experience integrating external APIs (OAuth, webhooks)

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Familiarity with LLM integrations, retrieval pipelines, or vector DBs (Qdrant) is a plus

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