Job Description
Senior Backend Engineer (LLM / AI Experience)
Hybrid
Tech Team
Full-time Barcelona, Spain
In a few words
Build and scale backend systems powering conversational AI & digital humans
Hands-on senior role balancing architecture + production code
Work deeply with LLMs, RAG pipelines, and real-time systems
Barcelona (hybrid) or remote in Europe | €50k-€65k
Why this role is exciting: You'll shape the backend foundations of a cutting-edge digital human platform, where your architectural and performance decisions directly impact real-time AI experiences used by enterprise customers.
About UNITH
At UNITH, we're transforming customer journeys with conversational AI. Listed on the ASX, we create lifelike digital humans using cutting-edge synthetic facial movement, voice engineering, and conversational design.
Our digital humans speak 60+ languages with 600+ voices, redefining how businesses interact with customers worldwide.
The Role
We're looking for a...
Hybrid
Tech Team
Full-time Barcelona, Spain
In a few words
Build and scale backend systems powering conversational AI & digital humans
Hands-on senior role balancing architecture + production code
Work deeply with LLMs, RAG pipelines, and real-time systems
Barcelona (hybrid) or remote in Europe | €50k-€65k
Why this role is exciting: You'll shape the backend foundations of a cutting-edge digital human platform, where your architectural and performance decisions directly impact real-time AI experiences used by enterprise customers.
About UNITH
At UNITH, we're transforming customer journeys with conversational AI. Listed on the ASX, we create lifelike digital humans using cutting-edge synthetic facial movement, voice engineering, and conversational design.
Our digital humans speak 60+ languages with 600+ voices, redefining how businesses interact with customers worldwide.
The Role
We're looking for a...
Apply for this Position
Ready to join UNITH? Click the button below to submit your application.
Submit Application