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Bjak

Software Engineer, Desktop

China
Salary
Not stated
Level
Mid
Work type
Remote · China only
Visa
Not stated

Open. First seen 2 October 2026.

Apply on jobs.ashbyhq.com →

The team: ActAI NEW TEAM

This team is new: its 232 open roles were posted Oct 12–16, and Bjak had none in it before. You would be one of its first people.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

LLM (121 of 232), Python (121 of 232), PyTorch (121 of 232), Machine Learning (116 of 232), Vector Databases (75 of 232), NoSQL (55 of 232), SQL (55 of 232)

OTHER ROLES ON THIS TEAM

From the team and dates on Bjak's own job board.

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 product focuses on achieving high reliability for long-running workflows, persistent context, and real-world task completion. We believe products will greatly reduce hallucinations.

Our objective is to organise anyone's life, allowing us all to spend time on valuable and meaningful things.

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

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.

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