Software Engineer (Platform Experience)

Smadex SLU
📍 Barcelona, Catalonia, Spain 💼 Full-time 🕒 Posted February 18, 2026

Job Description

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.


    Ready to Apply?

    Submit your application today and join our talented team at Smadex SLU.

    Submit Application
  • Job Details

    • Location Barcelona, Catalonia
    • Job Type Full-time
    • Category Computer Occupations
    • Posted Date February 18, 2026
    • Application Deadline March 30, 2026