Overview

In this role you will strengthen Preply’s CRM platform, delivering timely and relevant communications to millions of users. You’ll work in a cross-functional team to design scalable backend services and maintain React-based frontend surfaces, driving impact through experiments and reliable delivery. This position blends backend focus with frontend contributions to shape how learners and tutors stay engaged. You’ll operate in a fast-paced, world-spanning product area that directly supports learning at general scale.

Compensaciones / Beneficios

- monthly allowance for lessons on Preply.com
- Learning & Development budget
- time off for self-development
- equity
- health insurance
- relocation package

Responsabilidades

- Build and maintain React frontend surfaces for CRM-facing experiences (e.g., notification and communication preferences)
- Own backend-heavy services end-to-end—from discovery and design through development, deployment, and iteration—to power emails, push, and in-app (bell) notifications
- Partner with Marketers and Head of CRM to translate campaign and lifecycle needs into reliable, scalable technical solutions
- Establish and promote best practices across backend and frontend,



focusing on correctness and safe delivery of communications
- Design architectures for high-traffic data-processing workloads determining who/what/when to send communications, scalable for future growth
- Balance speed and experimentation with strong engineering fundamentals to keep systems maintainable and resilient
- Continuously improve quality, observability, and reliability of the communications platform, mentoring teammates and upholding high standards

Requisitos principales

- Full-Stack Expertise with backend-heavy impact and ability to handle React/Typescript work
- Exposure to front-end tech: hands-on React experience
- Proven experience designing and operating scalable, high-traffic data-processing systems
- Ability to drive ambiguous work from discovery to delivery, balancing speed with quality
- Strong stakeholder collaboration and ability to explain technical trade-offs to non-technical partners
- English communication at B2 level or higher

- strong collaboration
- clear communication
- problem solving
- React/Typescript
- Backend services design and operation
- Scalable systems in high-traffic environments

📌 Senior II Full-Stack Engineer (back-end heavy) - barcelona
🏢 Preply
📍 Barcelona