A1
iOS Software Engineer
A1Singapore15 hours ago
Full-timeRemote FriendlyEngineering, Information Technology

About the Role

A1 is building a proactive AI system that users rely on daily across conversations, tools, and workflows.

You will define how AI feels in users’ hands. This role focuses on building production-quality iOS applications where AI is a core interaction layer, not an add-on. Your work will directly impact usability, trust, and perceived intelligence of the product.


Focus

  • Build and maintain iOS applications using Swift and SwiftUI.
  • Integrate AI-powered features through backend APIs.
  • Design UX patterns for AI interactions, including loading states, streaming responses, retries, and fallbacks.
  • Optimize performance, memory usage, and battery efficiency.
  • Capture user signals and feedback to support AI evaluation and iteration.
  • Collaborate closely with backend and ML engineers on API design and system behavior.
  • Maintain high App Store quality, stability, and production reliability.


Ideal Experiences

  • 3+ years of iOS development experience using Swift.
  • Hands-on experience integrating AI-powered features into mobile apps.
  • Strong understanding of async/await, concurrency, and background tasks.
  • Solid iOS performance and memory optimization skills.
  • Experience shipping and maintaining production iOS apps.
  • Comfort designing for latency, partial failure, and non-deterministic AI behavior.
  • Exposure to CoreML or light on-device ML.
  • Familiarity with feature flags or remote configuration systems.
  • Strong intuition for AI UX patterns and user trust considerations.


Tech Stack

  • Swift
  • SPM
  • SwiftUI
  • SQL / noSQL
  • TensorFlow Lite (on-device inference)


Compensation Range

SGD 170,000 – 210,000


How We Work

Our organization is very flat and our team is small, highly motivated, and focused on engineering and product excellence. All members are expected to be hands-on and to contribute directly to the company’s mission.


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.

Key Skills

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