We are a small London startup with the ambition to change education with ML-powered tutoring. Our flagship product is a mobile application for teaching English to intermediate and advanced learners.

We’re on the verge of solving one of the biggest challenges in education – making high-quality, personalised learning accessible to everyone. What was once technologically impossible is now within our grasp.

We’re looking for a Senior Full Stack Developer to join our growing development team.

What you will do

• Design and implement a new high-scale system for millions of users
• Build convenient CI/CD processes and testing pipelines to support quick iterative development and system stability
• Work on ML model development with our team to build robust data pipelines and deploy ML models
• Analyse large corpora of data and build real-time recommendation systems
• Work with large amounts of data in different modalities (text, video, images, audio)
• Work in a very cross-functional team, side by side with mobile developers, product managers, ML engineers, and designers

Essential skills

• Deep Python and AWS knowledge
• Architecture planning and estimation skills
• Experience with CI/CD automation pipelines
• Proficiency with Terraform and Docker
• SOLID, KISS principles, decomposition principles, and resolving monolith vs. microservices trade-offs.
• Experience with SQL and NoSQL databases.
• Understanding of best practices in building scalable mobile APIs (REST, HTTPS, etc.).
• Good principles of security management (secrets, protocols, etc.).
• Experience with some Python web frameworks (Django, Flask, FastAPI, etc.).

Desirable Skills

• Can speak, or learning to speak, more than one language
• Experience with real-time and/or in-memory databases
• Experience with frontend frameworks
• Experience in developing educational products
• Knowledge-sharing experience (tech talks, articles, YouTube videos, etc.)
• Experience (even non-production) with different types of programming languages

What we can offer ✨

• A real-deal startup adventure: you'll be hopping on a major project while it's still in the works!
• A crew all about people and products
• Work from our London office (4 days per week)
• Freedom to suggest, implement, and test ideas
• Unlimited learning & development budget
• We also offer substantial relocation assistance to support your move, if required

Interview Process

3 technical interviews, which will all cover

• Problem Solving
• Architecture Design and Product Design
• Domain/Platform Knowledge

After all interviews, we would like to invite you to work with us in our London office for 1-2 paid test days. If everything goes well, we will make an offer to the successful candidate.