Senior II Full-Stack Engineer (back-end heavy)

Barcelona, Remote. Posted 6 months ago

The role

You will work in a cross-functional team to deliver outcomes for learners and tutors. This backend-heavy role involves designing scalable backend systems and developing frontend experiences.

What you will do

Design, build, and evolve scalable backend systems using Python/Django
Develop and evolve frontend experiences in React/Typescript
Lead complex initiatives from discovery through deployment
Drive engineering excellence through mentorship and architectural reviews
Partner with Product, Data, and UX teammates to identify opportunities
Shape architectural direction for complex systems
Align technical investments with business objectives
Influence technical direction beyond immediate scope
Raise the quality bar through craftsmanship and continuous learning

Required qualifications

Hands on experience with Agentic AI
Backend-heavy full-stack expertise (85% backend, 15% frontend)
Experience designing and evolving large-scale web applications
Ability to make technical trade-offs for scalability and sustainability
Ability to translate business challenges into technical solutions
High level of self-organization, ownership, and responsibility
Excellent collaboration, stakeholder management, and communication skills
English level B2 or higher
Experience mentoring engineers and contributing to code and design reviews
Understanding of observability, reliability, monitoring, and operational best practices
Willingness to participate in on-call rotation (1 week every 5 weeks)

Nice to have

Python experience

Benefits

Open, collaborative, dynamic and diverse culture
Monthly allowance for lessons on Preply
Learning & Development budget and time off for self-development
Competitive financial package with equity
Leave allowance
Health insurance
Relocation package to 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 Ed-Tech company that helps people discover tutors and craft personalised learning journeys. They have reached unicorn status with a $150M Series D.