Senior II Back-End Engineer

Barcelona, Remote. Posted 14 months ago

The role

You will drive technical direction across multiple engineering squads and lead high-impact initiatives. You will design and evolve scalable backend systems using Python/Django, data pipelines, and third-party integrations.

What you will do

Own, shape, and drive technical direction across multiple engineering squads
Lead complex, ambiguous initiatives from idea to delivery
Design, build, and evolve scalable backend systems using Python/Django, data pipelines, and third-party integrations
Partner with PMs, EMs, and senior stakeholders to shape roadmaps and make technical trade-offs
Raise the engineering bar through mentoring, architectural reviews, and engineering best practices
Drive reliability, observability, performance, and operational excellence
Foster a quality-first culture through automation, documentation, and continuous improvement
Participate in on-call rotation (1 week every 5 weeks)

Required qualifications

Exposure to architectural patterns of a large, high-scale web application
Proven experience leading complex, greenfield projects end-to-end
Track record of shaping architectural decisions and setting engineering standards
Comfort with shaping product scope, challenging requirements, and focusing on customer value
Strong communication (English level B2+)
AI Expertise: forefront user of Agentic AI with hands on experience
Willingness to join your team's on-call rotation (1 week out of every 5)

Nice to have

Prior experience with Python

Benefits

Monthly allowance for lessons on Preply.com
Learning & Development budget
Time off for self-development
Competitive financial package with equity
Leave allowance
Health insurance
Relocation package to join the Preply Barcelona Hub
Free mental health support platforms
Access to Gympass-partnered wellness and gym centers throughout Spain

About the company

Preply is a category-defining company that helps people discover tutors and craft personalized learning journeys. It is a human-led, tech-enabled platform that has reached unicorn status.