Senior Software Engineer (Barcelona)

Job Overview

Role: Senior / Principal Software Engineer

Sector: Artificial Intelligence

Job Type: Full-Time

Salary range: up to €100.000 + Equity

Contract type: Direct employment with our client

Location: Onsite in Barcelona

What we are looking for

• +5-7 years of production experience with modern web stack
• Production experience with Python, TypeScript, JavaScript or GoLang
• Experience with AI coding agents such as Claude Code, Cursor or Codex
• Real Product mindset and ability to work autonomously
• Comfortable with Docker, SQL, testing and scalable architecture
• Fluent Spanish and English

Nice to have

• Experience with LLMs, STT/TTS, OpenAI, Whisper, ElevenLabs or Deepgram
• Experience with LangChain, LangGraph or similar AI orchestration tools
• AWS/GCP, CI/CD and observability experience
• Startup or early-stage product company e...

Ready to Apply?

Submit your application today and join our talented team at Concentric Recruitment.