Full-time

Software Engineer (Platform Experience)

Posted by Smadex SLU • Barcelona, Catalonia, Spain

📍 Barcelona, Catalonia 🕒 February 25, 2026

About the Role

Smadex is a cutting-edge ad-tech company processing more than 4.5 million ad requests per second with response times under 100ms.


While our real-time bidding systems handle the traffic, our team builds the core platform that powers them .


We are responsible for the web ecosystem that ensures data integrity and campaign solidity.


Without our platform, the real-time engines wouldn't have the high-quality data they need to perform.


We are now evolving this ecosystem by integrating Agentic AI to automate processes and maintain our competitive edge.


This is a full-time position (40 hours per week) with a hybrid working model based in Barcelona.

  •   The Challenges You Will Tackle Agentic AI Integration: Help us implement AI agents and automation using LangChain and AWS Bedrock to keep our product at the cutting edge of the industry.


    Solid Backend Foundations: While we use Angular, our heart is in the backend.


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