Senior AI-Driven Voice Platform Engineer (Remote Spain)

Concentric Recruitment is partnering with a client building AI-driven communication products. They seek a Senior/Principal Software Engineer to own features end-to-end on a TypeScript/Python stack and contribute to AI pipelines, LLM orchestration, and real-time systems for voice agents. You will build scalable APIs and services for real-time interactions, collaborate with founders and senior engineers, and help shape the platform's architecture, reliability, and performance in a fully remote J-…