Senior Backend Software Engineer - London (Hybrid) | Equity + Competitive SalaryJoin a fast-growing AI startup transforming a trillion-pound industry through intelligent automation.We''re building the next generation of workflow technology - streamlining complex, manual processes and empowering professionals to focus on the work that truly matters.If you love solving deep technical problems, shaping architecture, and seeing your code have a real-world impact, this is a chance to build something meaningful from the ground up.The RoleWe''re looking for a Senior Backend Engineer to take ownership of key Back End services that power our AI-driven platform.You''ll work closely with product, Front End, and AI teams to design, build, and scale Back End systems that handle large-scale data, complex workflows, and Real Time interactions.You''ll join a small, high-calibre team where your ideas genuinely shape the direction of the product and the company.What You''ll Be DoingArchitect, design, and build Back End applications using Node.js (TypeScript) and NestJS.Develop microservices and event-driven systems with asynchronous communication patterns.Write clean, maintainable, and well-tested code (unit + integration).Design and optimise RESTful APIs with a strong focus on performance, reliability, and security.Model and query data efficiently with MongoDB (or similar NoSQL databases).Deploy and manage services on Google Cloud Platform (GCP) using CI/CD pipelines (GitHub ..... full job details .....