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Staff Back-end Engineer

Barcelona💼 Full-time🗓 2025-12-23 → 2026-09-26

Core

Staff Engineer driving technical strategy, architecture, and execution for critical areas of Preply's learning platform, operating at the intersection of product, engineering, and business.

Role type

Staff individual contributor (IC) back-end engineer

Builds

Scalable, reliable platform for personalized learning experiences, progress/feedback systems, and tutor tools

Domain

EdTech / AI-enhanced language learning

Deliverable

production ML models | product features | infrastructure

Required skills

System design and architecture, end-to-end ownership, technical strategy formulation, cross-functional influence, hands-on coding and prototyping, build-vs-buy decision making

Preferred skills

Mentoring senior engineers, shaping engineering culture, adapting to evolving environments

Technologies

None explicitly stated

Responsibilities

Define and co-own engineering strategy and technical roadmap; Act as key architect for system evolution and migrations; Improve developer experience and engineering standards; Mentor and influence other engineers; Lead critical technical and strategic decisions

Seniority

Staff, high-impact IC with organizational scope

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