Software Engineer - Python / FastAPI / React / Functional programming / Typescript Location: London, UK (Hybrid)Type: Full-timeLevel: Mid to SeniorSalary: 70,000 to 100,000Company: VC back Startup About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this system enables users to generate, visualise, and explore thousands of design alternatives. Faster and more intelligently than ever before. Looking for someone who enjoys writing clean, wellstructured code and has a genuine interest in engineering not just software, but how things are built in the real world. Backed by one of Europe''s leading VCs and with a 4-year runway. This company has assembled one of the strongest technical founding teams I''ve seen. Bringing together brilliant minds from Cambridge, MIT, and Google across Software Engineering, Data Science, Theoretical Physics, and Computational Geometry.Opportunities: Frontend or BackendTech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, DockerFrontend: React, TypeScript, ViteInfrastructure: GitHub Actions, GCP, Kubernetes (optional)Paradigms: Functional programming, async APIs, event-driven architecture ResponsibilitiesBuild and maintain backend services using FastAPI and Python for geometry, simulation, and data workflowsDevelop responsive, performant frontends using React and TypeScriptWork closely with domain expert