We need an exceptional Senior Software Engineer who is proficient across the full stack but has a strong passion for backend development. You'll build robust, scalable, and high-performance backend systems that power Orchestra's core capabilities, while also contributing to frontend experiences. What You'll Do - TLDR: Do all it takes to build an exceptional product and scale the core experience of Orchestra products. - Implement and maintain features across the full stack, with a primary focus on the backend and infrastructure, and a strong understanding of frontend integration. - Own systems end-to-end: architecture, implementation, deployment, and iteration of core services, APIs, and their frontend connections. - Collaborate closely with customers, design partners, and other internal stakeholders to translate capabilities and requirements into robust backend solutions. - Drive the full development lifecycle, from technical planning to production launch and post-release improvements. - Contribute to shaping our technical direction, engineering culture, and product strategy. What We're Looking For - 5+ years of experience building and shipping full-stack products. - Fluent in Python (experience with FastAPI is a plus), with a strong portfolio of backend work. - Concrete understanding of system design, database architecture (e.g., Postgres, DynamoDB), API design, performance tradeoffs, and scalable backend systems. - Proficiency in React + TypeScript or a willingness to learn and contribute to frontend experiences. - Fast, resourceful, and opinionated - you know when to ship and when to conduct an experiment. - Demonstrated experience working in a cloud environment (e.g., AWS, GCP, Azure), with experience in serverless technologies (Lambda, Kubernetes, EKS). - Bonus: Engineering/product at a leading startup, and experience with distributed systems or data processing. - You live in the UK and will come to our office in London 3 days a week. Our Tech Stack - Frontend: React, TypeScript, Playwright, Storybook - Backend: Python, FastAPI, Postgres, TypeScript - Cloud: AWS (Lambda, Dynamo, EKS, etc.) - DevOps & Tooling: GitHub Actions, Terraform, Docker Benefits - Competitive salary - Bi-annual offsite - Regular team dinners + socials