Senior Software Engineer

Concentric Recruitment • barcelona, provincia de barcelona, Spain • Posted June 02, 2026

Location barcelona, provincia de barcelona

Job Type Full-time

Category Other-General

Posted June 02, 2026

 Role:  Senior / Principal Software Engineer   
 Sector: Artificial Intelligence  
 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 experience with modern web stack ...
            

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