Senior Software Engineer

• Strong experience in Python + PostgreSQL
• Familiarity with TypeScript and distributed systems (BigQuery, Redis, RabbitMQ etc.)
• Clear communicator who enjoys solving complex problems collaboratively
• Start-up mindset, adaptable, ambitious, and product-driven

Partnered with one of the UK's fastest-growing AI learning platforms, founded by Cambridge alumni from Google, Amazon, and YouTube, whose mission is simple: to make learning so easy, anyone can learn anything. They've built a generative AI platform that converts content into quizzes, flashcards, and gamified challenges and with 1M+ monthly users and $16M Series A funding, they're scaling globally. We're hiring a Principal Software Engineer (backend-focused) to help build and scale the systems powering millions of learners. You'll own backend architecture, work with AI features, and ship production-grade code that directly impacts the product experience. Why it's worth your time: * Work on products people genuinely love thousands use it daily. * Build at scale: millions of API requests, global reach, complex AI integrations. * Collaborate with elite engineers who care deeply about product quality. * Backed by top-tier investors and led by an exceptional founding team., If you want to build backend systems that power meaningful, human-centred AI products, and work with one of the smartest teams in London, this one's hard to top!