About this role
Salary: £29,000 - 69,000 per year
Requirements: Proven software engineering experience.Hands-on experience building production Electron applications.Strong proficiency in JavaScript and TypeScript.Experience with React or similar UI frameworks.Solid understanding of the desktop application lifecycle.Experience with IPC communication.Experience working with local storage, such as SQLite, IndexedDB, or the filesystem.Experience with WebSockets or other real-time transport mechanisms.Strong debugging and performance profiling skills.Familiarity with native OS behaviors on macOS or Windows. Responsibilities: Build and maintain cross-platform desktop applications using Electron.Design responsive and scalable UIs for real-time collaboration.Implement desktop-specific functionality including file system access, native notifications, auto-updates, and deep linking.Integrate AI-powered features, including chat, agents, and AI assistance, via backend APIs.Optimize startup time, memory usage, and runtime performance.Profile and reduce Electron overhead.Manage large local state and message history efficiently.Ensure smooth real-time updates, including messages, typing indicators, and presence.Maintain stability across macOS and Windows environments.Own how the system behaves on desktop environments with a focus on reliability, performance, and real-time behavior in production desktop applications. Technologies: AIBackendElectronJavaScriptmacOSReactSQLiteTypeScriptWindowsUX UI DesignNodeJSNoSQLSQL More:
We are building A1, a proactive AI chat app for everyday users designed to help with conversations, errands, organising, and workflows. Our product is focused on high reliability for long-running workflows, persistent context, and real-world task completion, even when model behavior is non-deterministic. We are a high-talent-density, hands-on team that makes decisions collectively and moves quickly while balancing quality and learning. We value structure, sound judgment, and independent execution, and our interview process is typically 3 to 4 virtual and/or onsite interviews with a prompt decision process.
last updated 40 week of 2026