Remote Software Engineer, Desktop

Kingston Bagpuize; Kingston Bagpuize; Remote; GBP 70,000 - 100,000; Full time

Job summary

A1 is building a proactive AI chat app for everyday users, focusing on reliability for long-running workflows and real-world task completion. You will own desktop behavior, optimize startup time and memory usage, and ensure smooth real-time updates across macOS and Windows.

Join a small, highly capable team building cross-platform Electron applications with desktop-specific features, including file system access, native notifications, and deep linking.

Qualifications

• Proven software engineering experience building production Electron apps.
• Strong proficiency in JavaScript and TypeScript.
• Experience with React or similar UI frameworks.
• Experience with real-time data using WebSockets.
• Familiarity with desktop OS behaviors (macOS/Windows).

Responsibilities

• Own reliability, performance, and real-time behavior in desktop applications.
• Build cross-platform desktop apps using Electron and optimize startup time and memory usage.
• Profile and reduce Electron overhead to improve runtime performance.
• Design responsive and scalable UIs for real-time collaboration.

Skills

JavaScript

TypeScript

React

IPC communication

WebSockets

Tools

Electron

Node.js

SQLite

IndexedDB

Filesystem

Job description

About the Role A1 is building a proactive AI chat app for everyday users to bring intelligence to conversations, errands, organising and workflows. Unlike traditional chat-based applications, our product focuses on achieving high reliability for long-running workflows, persistent context, and real-world task completion. The system must handle multi-step reasoning, interact with external tools, and remain reliable despite non-deterministic model behavior. You will own how this system behaves on desktop environments. Your work focuses on reliability, performance, and real-time behavior in production desktop applications. Focus 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 (chat, agents, 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 (messages, typing indicators, presence). Maintain stability across macOS and Windows environments. Ideal Experiences 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 (SQLite, IndexedDB, 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. Tech Stack Electron Node.js Typescript SQl & noSQL How We Work The best products today in the world were built by small, world class teams. We are a high talent density and hands-on
team. We make decisions collectively, move at rapid speed, striking a balance between shipping high quality work and learning. Joining our team requires the ability to bring structure, exercise judgment, and execute independently. Our goal is to put in hands of our users a truly magical product Interview process If there appears to be a fit, we'll reach to schedule 3, but no more than 4 interviews. Applications are evaluated by our technical team members. Interviews will be conducted via virtual meetings and/or onsite. We value transparency and efficiency, so expect a prompt decision. If you've demonstrated the exceptional skills and mindset we're looking for, we'll extend an offer to join us. This isn't just a job offer; it's an invitation to be part of a team that's bringing AI to have practical benefits to billions globally.