iOS Software Engineer

Bjak; New York (NY); On-site; USD 100,000 - 130,000; Full time

Job summary

A tech company is looking for an experienced iOS developer to build and maintain production-quality applications. Your role will focus on integrating AI features, optimizing performance, and collaborating with backend and ML teams. Ideal candidates should have over 3 years of iOS experience with a strong grasp of Swift and AI UX considerations. Join a small, motivated team dedicated to engineering excellence and delivering impactful AI solutions globally.

Qualifications

• 3+ years of iOS development experience using Swift.
• Experience integrating AI-powered features into mobile applications.
• Strong understanding of async/await and concurrency.

Responsibilities

• Build and maintain production-quality iOS applications.
• Optimize app performance, memory usage, and battery efficiency.
• Collaborate closely with backend and ML engineers.

Skills

iOS development using Swift

Integrating AI-powered features

Performance optimization

User experience design for AI

Tools

SwiftUI

TensorFlow Lite

SQL/noSQL

Job description

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.