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# Senior Software Engineer - Real-Time Ai Backend (Barcelona)

- **Company:** Supersonik, Inc.
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Python (Programming Language), Backend, Event Driven Architecture
- **Published:** September 15, 2026
- **Apply:** https://www.buscojobs.com.es/senior-software-engineer-real-time-ai-backend-barcelona-en-madrid-ID-371732769

## About the Role

Fluent in modern Python and async programming, you will build scalable, event-driven systems and work at the intersection of performance, AI and great user experience.
If you love solving first-principles problems, navigating ambiguity and want to build a product people love you'll
#J-*****-Ljbffr

## Description

Supersonik, Inc. in Barcelona is looking for Senior Engineers to join the core team.You will solve complex, technical problems and shape the product and architecture from day one, thriving in a high-growth startup.Fluent in modern Python and async programming, you will build scalable, event-driven systems and work at the intersection of performance, AI and great user experience.If you love solving first-principles problems, navigating ambiguity and want to build a product people love you'll#J-*****-Ljbffr


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