As a Staff Engineer on the Learning Teams, you will shape and own the technical roadmap for AI-enabled, media-rich learning experiences. You’ll drive end-to-end initiatives, guide architecture for a scalable platform, and collaborate across product, engineering, and business stakeholders to deliver measurable outcomes. You’ll elevate engineering practices, mentor senior engineers, and influence tech decisions that impact learners and tutors worldwide. This role offers a chance to shape how we build and evolve learning experiences at scale with impact.

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monthly lessons allowance
health insurance
relocation package to Barcelona
mental health support platforms
gym access via Gympass
Shape and co-own the Learning Teams’ engineering strategy and roadmap with leadership alignment
Lead end-to-end strategic initiatives translating product vision into technical execution
Evolve architecture and core services for scalability, reliability, and cost efficiency
Improve developer experience and engineering practices through RFCs, post-mortems, and quality frameworks
Mentor and influence senior engineers, tech leads, EMs,



and hiring panels while remaining hands-on for critical work
Make build-vs-buy decisions and lead vendor/tooling evaluations and negotiations
Strong foundation in software engineering and architecture for large-scale systems
Full-stack proficiency across frontend, mobile, backend, APIs, and data flows
Hands-on experience with proofs-of-concept, rapid iteration, and technical validation
Excellent communication and leadership skills; able to influence without formal authority
Proven track record of end-to-end ownership from scope to operational stability
Analytical and xcskxlj creative problem-solving with ability to evaluate trade-offs under uncertainty
Experience across domains: feature development, architecture evolution, migrations, and process improvements
Domain interest in AI/ML, media/video platforms, data infrastructure, or QA/test-automation at scale
strong communication
leadership and mentorship
ability to influence without authority
architecture and systems design for large-scale platforms
proofs-of-concept and rapid prototyping
Staff Back-end Engineer - barcelona barcelona, catalunya, es

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📌 Staff Back-End Engineer - Barcelona
🏢 Preply
📍 Barcelona