Senior Full Stack Python Developer (Backend Focus)

Senior Full Stack Python Developer – London (On‑site) Python, AWS, React, Docker, Terraform

Join a fast growing startup redefining the future of education with ML‑powered learning who are on a mission to make high‑quality, personalised education accessible to everyone.

Their flagship product is a mobile app helping intermediate and advanced learners master English through cutting‑edge machine learning.

We’re now looking for a Senior Full Stack Python Dev (with a stronger focus on the backend) to help them build the next generation of scalable, intelligent learning systems.

Current Tech Stack

You’ll be working with (and helping evolve) a modern, production‑ready stack:

• Python

• AWS

• MongoDB

• Firebase

• Docker

• Terraform

• React

• PostgreSQL

What You’ll Work On

• Design and build a high‑scale system serving millions of users

• Create robust CI/CD pipelines to support rapid iteration

• Collaborate with ML engineers to develop data pipelines and deploy models

• Analyse large datasets and build real‑time recommendation systems

• Work with diverse data types — text, video, images

• Partner closely with mobile engineers, product managers, designers, and ML teams

Essential Skills

• Experience building high‑load applications from scratch

• Deep knowledge of AWS

• Strong architecture planning and scalability skills

• Proficiency with Terraform, Docker, and CI/CD automation

• Solid understanding of SQL & NoSQL

• Experience building scalable mobile APIs (REST, HTTPS)

• Good security practices (secrets, protocols, etc.)

• Experience with Python frameworks (Django, Flask, FastAPI)

Nice-to-Haves

• Experience with real‑time or in‑memory databases

• Familiarity with modern frontend frameworks

• Background in edtech

• Knowledge‑sharing (talks, articles, videos)

• Exposure to multiple programming paradigms

Relocation and sponsorship assistance if required for EU nationals

Salary £80-£125K DoE