JOIN OLX GENERATIVE AI INNOVATION ENGINEERING TEAM

Note: This role is based in Spain.

We are looking for a Backend Engineer to join our Generative AI Innovation team and help drive AI innovation at OLX.

Our team is at the forefront of GenAI-powered solutions, developing cutting‑edge services to enhance user experiences, optimize internal processes, and explore new business opportunities. You’ll work on scalable, high‑impact AI projects, collaborate with cross‑functional teams, and contribute to research, proofs‑of‑concept, and production‑ready AI applications.

If you’re passionate about AI, love problem‑solving, and want to shape the future of AI‑driven innovation, we’d love to hear from you

Being an Engineer on our team, you'll collaborate closely with fellow engineers, SREs, the product team, data scientists, and an engineering manager while building one of the company's newest distributed systems. Our systems are built using Python, Kotlin, or Golang and run on AWS.

We value engineers who have:

Significant professional experience in software development with Python





Experience in large‑scale web applications, an economic‑thinking mindset, and the ability to design well‑bounded domain systems

Experience in architecting Cloud Native solutions, AWS is a plus

Worked in multi‑functional teams

Believes in "you build it, you run it, you own it," ensuring high‑quality code, debugging, optimization, and automation as key priorities.

Experience in building AI/ML‑enabled products

What you will be doing:

Taking part in planning, execution, monitoring, and completion of projects, ensuring timely delivery and adherence to quality standards.

Contributing to complex technical projects, ensuring robust, secure, and scalable software solutions.

Mentoring and guiding junior engineers, fostering a collaborative and productive work environment. This includes delegating tasks, providing feedback, and facilitating team communication

Driving innovation by encouraging new

📌 Backend Engineer (Barcelona)
🏢 Olx Group
📍 Barcelona