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Senior Full-Stack Engineer
Fluxion Labs
📍 Barcelona, Spain🏠 Hybrid📅 5+ years exp.💰 EUR 75k–100k
About the role
We are building the next generation of real-time data infrastructure. You will own end-to-end delivery of features from architecture to production, working closely with product and data teams.
Responsibilities:
• Design and implement scalable REST and GraphQL APIs (Node.js / TypeScript)
• Build performant React/Next.js frontends
• Own CI/CD pipelines and Kubernetes deployments
• Mentor junior engineers and lead technical design reviews
Required skills
technologyTypeScriptReactNode.jsPostgreSQLKubernetesCI/CD
Company culture
Flat hierarchy, async-first, quarterly offsites. We ship every week and celebrate learning from failure.