iOS Software Engineer
Department: AI Engineering
Location: United States
Employment Type: FullTime
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)
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.
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