AI Phone - AI Application Integration Engineer (AI)

Location: Seoul, South Korea; hybrid workplace

Company

hirify.global is building AI-native phones and proactive applications that let AI agents interact with everyday applications and execute workflows across them.

What you will do

• Build integrations between AI agents and first-party applications.
• Expose structured actions and interfaces for retrieving application information, including search, create, update, send, and delete operations.
• Build cross-application workflows, reusable integration interfaces, and SDKs.
• Handle authentication, authorization, and permissions.
• Investigate third-party application integration limitations.
• Work with Android engineers on system-level application access.

Requirements

• Strong software engineering and API development experience.
• Experience integrating multiple applications or external services.
• Understanding of mobile application architecture.
• Experience with authentication and authorization.
• Strong debugging and integration skills.
• Experience building reliable APIs and asynchronous workflows.

Nice to have

• Android development experience.
• Knowledge of Android intents, IPC, and accessibility services.
• Experience with messaging, email, calendar, or productivity integrations.
• Experience building agent tools or MCP integrations.
• Experience with application interoperability.

Culture & Benefits

• Full-time employment in a hybrid workplace.
• Work on AI-native phones and applications designed to make everyday workflows proactive and actionable.