Backend Engineer - GenAI (Python / Kotlin) (AI)

TL;DR

Backend Engineer - GenAI (Python / Kotlin): Developing cutting-edge GenAI-powered services to enhance user experiences, optimize internal processes, and explore new business opportunities with an accent on scalable AI projects and production-ready applications. Focus on building distributed systems, collaborating with cross-functional teams, and contributing to research and proofs-of-concept.

Location: This role is based in Spain, Barcelona.

Company

We're building marketplace sustainable ecosystems that millions depend on for buying/selling cars, homes, jobs, and secondhand goods – safe, smart, and environmentally responsible, backed by Prosus.

What you will do

• Develop scalable, high-impact GenAI services for user experiences and internal processes.
• Collaborate with engineers, SREs, product teams, data scientists, and engineering managers.
• Build distributed systems using Python, Kotlin, or Golang on AWS.
• Contribute to research, proofs-of-concept, and production-ready AI applications.
• Drive AI innovation and explore new business opportunities.

Requirements

• Must be based in Spain.
• Experience as Backend Engineer passionate about AI and problem-solving.
• Skills in Python, Kotlin, or Golang.
• Experience with AWS and distributed systems.
• Ability to collaborate across 50+ nationalities and 7 markets.

Culture & Benefits

• Courage to innovate, commitment to outcomes, and customer-led approach.
• Ambitious, fast-moving culture built on trust and desire to win.
• Collaboration across diverse nationalities and markets.