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

London, Remote. Posted 2 months ago

The role

You will work in a cross-functional team to deliver outcomes for learners and tutors. You will focus on backend development, UI development, and technical leadership to build scalable products.

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
Navigate ambiguity and align technical investments with business objectives
Influence technical direction beyond the immediate scope
Participate in squad on-call rotation (1 week every 5 weeks)

Required qualifications

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
Demonstrated ability to influence technical decisions and drive best practices
Strong product mindset to translate business challenges into technical solutions
Ability to navigate ambiguity and solve complex technical and product challenges
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
Deep, hands-on expertise in AI tools, especially in agentic AI SDLC

Nice to have

Python experience

Benefits

Open, collaborative, dynamic and diverse culture
Generous monthly allowance for lessons on Preply
Learning & Development budget and time off for self-development
Competitive financial package with equity
Leave allowance
Health insurance
Access to free mental health support platforms

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.