Job Description
Full-time | Tech Team
Barcelona (hybrid) or remote within Europe
€50,000 – €65,000
threesixfive is working with a Barcelona-based AI product company that builds production‑grade conversational AI systems used by enterprise customers.
The company operates at the intersection of LLMs, real‑time backend systems, and cloud‑native architecture , delivering intelligent AI experiences at scale rather than prototypes or experiments. Their platform is already live with paying customers and continues to grow rapidly.
As part of this partnership, we’re hiring a Senior Backend Engineer to play a key role in designing, building, and operating the backend systems that power these AI‑driven experience.
In a few words
- Build and scale backend systems powering production conversational AI
- Hands‑on senior role balancing
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