Senior Full-stack Engineer (backend-heavy)

London, Remote. Posted 14 days ago

The role

You will work in a cross-functional team to deliver outcomes for learners and tutors. You will perform backend-heavy full-stack development, combining hands-on execution with technical leadership.

What you will do

Develop and own backend features using Python/Django
Design, create, and troubleshoot integrations with third-party vendors
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

Backend-heavy full-stack role (60% backend, 40% frontend)
Hands on experience as a forefront user of Agentic AI
Experience designing and evolving large-scale web applications
Ability to make technical trade-offs for scalability and sustainability
Demonstrated ability to influence technical decisions and drive best practices
Ability to translate ambiguous 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 working in a cross functional team
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
Generous 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
Access to 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 personalised learning journeys. They have reached unicorn status with a $150M Series D.