AI Phone - AI Application Integration Engineer

ActAI; United States; On-site; USD 140,000 - 180,000; Full time

Job summary

ActAI is reimagining the phone with proactive, intuitive AI-powered experiences. We aim to connect agents with applications and workflows across diverse services, enabling low-cost, high-leverage automation.

In this role you will build integrations between AI agents and first-party apps, expose structured actions that agents can execute, and implement interfaces to retrieve information from applications, while ensuring secure authentication and scalable APIs.

Qualifications

• Experience building integrations across multiple apps or services.
• Strong API design and debugging skills.
• Familiarity with mobile app architecture.
• Experience with authentication and authorization mechanisms.

Responsibilities

• Build integrations between AI agents and first-party applications.
• Expose structured actions that agents can execute.
• Implement interfaces for retrieving information from applications.
• Support actions such as search, create, update, send and delete.
• Build cross-application workflows.
• Develop 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.

Skills

Software engineering

API development

Mobile architecture understanding

Authentication and authorization

Debugging and integration

Asynchronous workflows

Tools

Android development

SDK development

Job description

We are reimagining the phone. AI phones need to be proactive, intuitive, intelligent and low cost. This is a mission critical for rest of the world to adopt intelligence.

There are over 5 billion people using everyday applications such as email, messaging, notes, tasks, and calendars, yet most are not AI-native. Our mission is to build proactive applications and devices that bring intelligence into daily conversations, coordination and workflows, with minimal prompting.

Focus: Making applications accessible and actionable by AI agents, so agents can interact with applications and execute workflows across them.

About

We are reimagining the phone. AI phones need to be proactive, intuitive, intelligent and low cost. This is a mission critical for rest of the world to adopt intelligence.

There are over 5 billion people using everyday applications such as email, messaging, notes, tasks, and calendars, yet most are not AI-native. Our mission is to build proactive applications and devices that bring intelligence into daily conversations, coordination and workflows, with minimal prompting.

Focus: Making applications accessible and actionable by AI agents, so agents can interact with applications and execute workflows across them.

Responsibilities

• Build integrations between AI agents and first-party applications.
• Expose structured actions that agents can execute.
• Implement interfaces for retrieving information from applications.
• Support actions such as search, create, update, send and delete.
• Build cross-application workflows.
• Develop 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.