Senior Ai Software Engineer – Real-Time Voice & Llm Platforms

Concentric Recruitment • barcelona, kingdom of spain, Spain • Posted June 08, 2026

Location barcelona, kingdom of spain

Job Type Full-time

Category IT

Posted June 08, 2026

Role: Senior / Principal Software Engineer 

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Job Type: Full-Time 
Salary range: to €100.000 + Equity 
Contract type: Direct employment with our client 
Location: Onsite in Barcelona 
Only interested in speaking with candidates who are comfortable working from the office 5 days per week 
Our partner is building next-generation AI-driven communication products that help businesses automate customer interactions, improve operational efficiency and generate actionable insights in real time. 
They are now looking for a Senior/ Principal Software Engineer to help scale the platform behind their voice agents, owning features end-to-end across their TypeScript / Python stack and working on AI pipelines, LLM orchestration, STT/TTS, prompt workflows and real-time systems. 
What we are looking for+5-7 years of production experi...
            

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