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Software Engineer - Backend + AI

Madrid💼 Full-time💰 $72,000–$72,000🗓 2026-09-25

Core

Backend Software Engineer integrating AI/LLM-powered services into distributed systems for a global mobility platform.

Role type

Senior IC Backend Engineer (AI-integrated)

Builds

Distributed, data-oriented applications and AI/LLM-powered services for millions of users across 6 countries.

Domain

Mobility / Transportation / Distributed Systems / AI Engineering

Deliverable

production ML models | product features

Required skills

distributed systems, web application development, algorithms & data structures, architectural patterns, AI coding assistants, agentic workflows, LLM API integration, host-level problem solving, code ownership, mentoring

Preferred skills

experience with agentic or RAG-based systems, adaptability to new languages (Go, Elixir, Ruby), curiosity about AI in software engineering

Technologies

Go, Elixir, Ruby, LLM APIs, AI coding assistants (Copilot, Claude Code, MCP)

Responsibilities

Design and maintain distributed applications incorporating AI/LLM services, use AI tools in daily development workflow, improve service reliability and scalability, own code from development to production, mentor junior developers on AI tool usage, collaborate with Data Science teams

Seniority

Senior, hands-on IC with mentorship responsibilities

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