Software Engineer, Desktop

About the role

ABOUT ACTAI

There are over 5 billion users using basic applications today such email, notes, tasks, calendar and they're not AI-native. Our mission is to build proactive applications for anyone in the world, who are not used to complex prompting. We aim to bring intelligence to conversations, errands, organising and workflows, with minimal to no prompting.

Our first application is an agent-first mobile communication app. We believe building applications that users use daily for communication, coordination and collaboration needs will help integrate AI into their lives. The net effect is to eliminate misinformation, achieve low coordination costs, enable high quality tasks and collaboration at scale with minimal or little prompting.

ROLE

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