Senior Mobile Developer (Native — iOS & Android)

Posted An Hour Ago
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Hiring Remotely in Seattle, WA, USA
In-Office or Remote
Senior level
Virtual Reality
The Role
Build and ship native iOS and Android applications using Swift and Kotlin across multiple client projects. Own work end to end from requirements and architecture through development, testing, and release. Integrate AI capabilities, maintain performance and security standards, collaborate with clients and distributed teams, and adapt across domains, technologies, and project requirements.
Summary Generated by Built In

This is a remote position.

About Us

We're a custom software development company that partners with clients across industries to design and build high-quality mobile applications. Every project brings a new problem, a new domain, and a new set of users — so we're looking for a versatile native mobile developer who can adapt quickly, deliver reliably, and bring modern AI capabilities into the apps we build for our clients.

 

About the Role

As a Senior Mobile Developer, you'll work across multiple client engagements, building native iOS and Android applications from the ground up. You'll be hands-on through the full delivery lifecycle — translating client requirements into robust, production-ready apps — while leveraging the latest AI-intensive technologies to build smarter products and work more efficiently.

What You'll Do

  • Build and ship native mobile applications for a variety of clients using Swift (iOS) and Kotlin (Android)
  • Take features and projects end to end — from understanding client requirements through architecture, development, testing, and release
  • Integrate AI-driven capabilities into client apps (on-device ML, LLM-backed features, intelligent UX)
  • Use AI-assisted development tools to accelerate delivery timelines and improve code quality
  • Adapt to different project domains, tech stacks, and client expectations
  • Collaborate closely with project managers, designers, QA, and clients in a distributed, remote-first setup
  • Maintain high standards for performance, security, and code quality across every deliverable

What We're Looking For

  • 5+ years of professional native mobile development experience, ideally in a services, agency, or consulting environment
  • Strong, demonstrable expertise in Swift and Kotlin
  • Solid command of native platform fundamentals (iOS SDK, Android SDK, lifecycle, concurrency, memory management)
  • Hands-on experience with recent AI-intensive technologies — working with LLMs, AI coding assistants, and/or integrating AI/ML into applications
  • Experience with modern architecture patterns (MVVM, Clean Architecture) and UI frameworks (SwiftUI, Jetpack Compose)
  • Comfort context-switching across multiple projects and client requirements
  • Familiarity with CI/CD, automated testing, and the full app store release process
  • Excellent communication skills and the ability to work directly with clients and distributed teams

Nice to Have

  • Experience delivering client projects across diverse industries
  • Familiarity with Kotlin Multiplatform or shared cross-platform logic
  • On-device ML experience (Core ML, TensorFlow Lite, ML Kit)
  • A portfolio of shipped client apps or open-source contributions

What We Offer

  • Fully remote role, based anywhere in India
  • Exposure to varied, challenging projects across industries and domains
  • The chance to work with cutting-edge AI tooling on real client products


Skills Required

  • 5+ years of professional native mobile development experience
  • Strong expertise in Swift and Kotlin
  • Knowledge of iOS SDK, Android SDK, lifecycle, concurrency, and memory management
  • Hands-on experience with LLMs, AI coding assistants, or AI/ML application integration
  • Experience with MVVM or Clean Architecture
  • Experience with SwiftUI or Jetpack Compose
  • Comfort working across multiple projects and client requirements
  • Familiarity with CI/CD, automated testing, and app store release processes
  • Excellent communication skills and ability to work with clients and distributed teams
  • Experience delivering client projects across diverse industries
  • Familiarity with Kotlin Multiplatform or shared cross-platform logic
  • On-device ML experience with Core ML, TensorFlow Lite, or ML Kit
  • Portfolio of shipped client apps or open-source contributions
Am I A Good Fit?
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The Company
HQ: Seattle, WA
1,000 Employees
Year Founded: 2019

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