Who We Are

Are you a Senior Backend Engineer looking for an opportunity to lead the design of the API architecture that powers our AI-driven visual recognition products?

At Restb.ai, we specialize in industry-specific visual recognition, helping businesses unlock powerful insights through AI-driven automation. We don’t just recognize objects (that’s so 2016), we teach computers to understand intangible visual concepts like “this room has natural light.”

By joining our team, you will play a critical role in leading the architecture, development, and scalability of the APIs and Machine Learning model wrappers that bring our state-of-the-art AI solutions to market. If you thrive on solving complex challenges, driving technical excellence, and have a passion for success, we’d love to meet you
Your Role

We are looking for a Senior Backend Engineer who is passionate about technology and always looking for new ways to tackle complex issues. As our Senior Backend Engineer, you will take ownership of our API platform, leading the design and development of Cloud-based architectures,



the Machine Learning model wrappers, and the business logic behind our solutions.

You’ll be a key player managing our main products across the company, working closely with the Product team and key members of the engineering team to shape the technical direction of our backend. This role is envisioned as a deep technical expert within the engineering organization, with real influence over architecture and tooling decisions.

The usual day-to-day tasks include designing, developing, and maintaining APIs that integrate Machine Learning models for Real Estate market applications, covering data preprocessing, model deployment, API development, performance optimization, and ensuring the scalability, reliability, and security of the system.

*The role will be completely in English, and CVs/resumes in other languages will not be considered.*
What You’ll Do
- Own the API Platform: Take charge of the

📌 Senior Backend Engineer (Barcelona)
🏢 Restb.Ai
📍 Barcelona