Senior Platform Engineer, Core Backend

Lightning AI in London, a leader behind PyTorch Lightning, seeks a Senior Software Engineer to design, build, and scale core backend systems. You will contribute to authentication, multi-tenancy, and developer tooling, collaborating with product, infrastructure, and AI engineering teams to improve reliability and performance.

You will work across Go, Python, Rust, and frontend touchpoints, joining a fast-moving startup with hybrid office presence in London and other hubs.