Overview In this frontend-driven role at Preply, you will design and deliver user-facing features using React and TypeScript, owning the journey from UX through launch and validation. You will collaborate with Design, Product and Data to test ideas, run experiments, and iterate based on metrics. You'll contribute to backend features and improve code quality across frontend, backend, and mobile.

This is a fast-growing environment where you balance rapid delivery with long-term stability, shaping experiences for learners and tutors at scale. You'll join a collaborative, data‐driven team at a mission‐oriented Ed‐Tech company.

Compensaciones / Incentivos

- monthly lesson stipend
- Learning & Development budget
- time off for self-development
- equity and health insurance
- relocation package to Barcelona
- mental health support platforms

Responsabilidades
- Design and deliver user-facing features with React/TypeScript across the full feature lifecycle from UX to launch
- Own validation through AB testing and experimentation framework




- Develop backend features using Python/Django
- Improve codebase and workflows across frontend, backend, and mobile
- Collaborate with Design, Product and Data to test and validate experiences
- Balance fast delivery with long-term stability to ship impactful features
- Set high standards for code quality and teamwork, contributing to engineering practices and mentoring others

Requisitos principales
- Front-end expertise with React, TypeScript, HTML5, CSS
- Back-end exposure with Python/Java/Node.js/Ruby/Ruby on Rails/PHP/Golang
- Understanding of architectural patterns and building reliable services at scale
- Proactive problem-solving and independent work style
- Good English communication (B2 level or higher)
- Ownership mindset and ability to drive quality and outcomes
- Proactive problem-solving
- Effective communication
- Ownership and accountability
- React
- TypeScript
- HTML5

📌 Senior Full-stack Engineer (frontend-heavy) (Barcelona)
🏢 Preply
📍 Barcelona