Swift Engineer

United States - Remote

R&D

Remote

We're seeking a Swift Engineer to join our growing team to design, develop, and implement new features for

Littlebird

, our AI teammate for Mac and Android. We’re building personal AI; a thought partner that connects dots in your work and helps you think. We're a small, global, async-first team that values craft and ownership. 

Littlebird is remote-first; we speak a few languages, love to collaborate, and like to build things that we enjoy using. Our co-founders have experience building data, consumer hardware, and interactive products, including selling a previous venture for ~$250m.

Key Responsibilities

Work closely with R&D leads to design scalable architecture

Prove out AI feature ideas, iterate on them and integrate them into the product when they're ready for prime time

Build systems with a focus on performance, accuracy, security and scale

Contribute to new voice and transcriptions features

Build and own features that will produce value for our customers

Required Skills

Minimum 5 years of hands-on software development experience with at least a few years focus on Swift or Objective-C.

Proven ability to build complex, responsive user interfaces in MacOS, iOS and/or Android

Comfortable handling concurrency, multi-threaded programming, and performance tuning in complex systems.

Demonstrated ability to diagnose and resolve front-end performance bottlenecks—from slow rendering times to memory management issues. Familiarity with profiling tools (e.g., Chrome DevTools, Instruments, Lighthouse).

Proficiency in using modern build and development tools like Webpack, Babel, Git, CI/CD pipelines

Familiarity with macOS development tools and data persistence frameworks

Excellent verbal and written communication skills

Desired Experience

Prior startup experience, shipping products 0-1 and/or owning major parts of a production-grade codebase

Experience leading architectural discussions, discussing tradeoffs, designing integrations and test plans

Experience with assistive technologies like screen readers and voice recognition software

Proficiency in Rust and/or python

Benefits

Remote-friendly work environment

Collaborative team culture

Opportunity to shape infrastructure decisions

Competitive compensation packages including stock and health/dental/vision/life benefits, paid time off, 401k, and parental leave

Flexible working hours across multiple time zones