Staff Engineer - Backend Engineer

Staff Backend Engineer | AI-Powered SaaS | London (Hybrid) We’re partnered with a top-ranked AI SaaS company backed by leading AI pioneers and a $30M+ Series A. Their platform is transforming no-code AI workflows and powering Fortune 500 enterprises worldwide. As a Staff Backend Engineer, you\’ll play a critical role in scaling an AI-first platform, enabling foundation models like Gemini Pro to analyze multimodal data at scale. You\’ll work closely with the founders and engineering leadership to design robust, high-performance architectures that drive AI adoption at enterprise levels. Architect and scale backend systems for multi-tenant AI applications. Build and optimize infrastructure using AWS, Terraform, and Docker. Ship to production multiple times a day, solving real-world user challenges. Experience with functional programming (Elixir, Scala, Go, Node.js, Haskell, etc.). ~ Cloud infrastructure expertise (AWS, Terraform) with experience at scale. ~ Private healthcare & pension contribution ~30 days holiday + bank holidays (plus 1 extra day per year of service) ~£Company-wide retreats & flexible hybrid working ~