Mobile Engineer (iOS / Android)

Evlo AI; New York (NY); On-site; USD 120,000 - 160,000; Full time

Job summary

Evlo AI in New York is seeking a mobile engineer responsible for end-to-end development, performance, and reliability of native iOS and Android apps used by hundreds of thousands of daily active users.

You will write high-quality code in Swift/Objective-C or Kotlin/Java, design modular UI components, integrate APIs, optimize performance, and collaborate with product, UX, and backend teams to deliver features on schedule. Experience with offline-first apps and MVVM/Clean Architecture is preferred.

Qualifications

• 3–6 years of professional mobile development experience with native iOS or Android
• Strong Swift/SwiftUI or Kotlin/Jetpack Compose skills
• Experience shipping production apps on Apple App Store or Google Play
• Knowledge of memory management, concurrency, and network security on mobile
• Degree in CS or related field

Responsibilities

• Architect, build, and maintain high-performance native mobile applications using Swift, Objective-C, Kotlin, or Java
• Design modular, reusable UI components adhering to Apple Human Interface Guidelines and Material Design standards
• Integrate RESTful APIs, GraphQL endpoints, and real-time WebSockets with local caching layers for optimal offline functionality
• Profile and optimize application performance, focusing on memory footprint, CPU utilization, battery efficiency, and frame rate consistency
• Write comprehensive unit, integration, and UI tests using XCTest, Espresso, or Appium to maintain rigorous code quality
• Collaborate with product managers, UX designers, and backend engineers to define technical specs and deliver features on schedule

Skills

Swift/SwiftUI

Kotlin/Jetpack Compose

MVVM / Clean Architecture

UI/UX collaboration

Offline-first data

REST/GraphQL/WebSockets

Education

Bachelor's degree in Computer Science, Software Engineering, or equivalent

Job description

About The Role

The role owns the end-to-end development, performance, and reliability of native mobile applications across iOS and Android platforms, reaching hundreds of thousands of active users daily.

The role owns the end-to-end development, performance, and reliability of native mobile applications across iOS and Android platforms, reaching hundreds of thousands of active users daily. The engineering team builds responsive, fluid user interfaces and robust offline-first data architectures that bridge complex backend services with seamless mobile experiences.

Key Responsibilities

• Architect, build, and maintain high-performance native mobile applications using Swift, Objective-C, Kotlin, or Java
• Design modular, reusable UI components adhering to Apple Human Interface Guidelines and Material Design standards
• Integrate RESTful APIs, GraphQL endpoints, and real-time WebSockets with local caching layers for optimal offline functionality
• Profile and optimize application performance, focusing on memory footprint, CPU utilization, battery efficiency, and frame rate consistency
• Write comprehensive unit, integration, and UI tests using XCTest, Espresso, or Appium to maintain rigorous code quality
• Collaborate with product managers, UX designers, and backend engineers to define technical specs and deliver features on schedule
  

What We Are Looking For

• 3–6 years of professional software development experience with at least 3 years dedicated to native iOS or Android engineering
• Deep mastery of Swift/SwiftUI or Kotlin/Jetpack Compose and modern mobile architectural patterns like MVVM, MVI, or Clean Architecture
• Demonstrated track record of shipping and maintaining production applications available in the Apple App Store or Google Play Store
• Solid understanding of concurrency, asynchronous programming, memory management, and network security protocols on mobile platforms
• Bachelor's degree in Computer Science, Software Engineering, or equivalent practical experience
• Bonus: Experience with cross-platform frameworks like React Native or Flutter, familiarity with CI/CD pipelines for mobile, and contributions to open-source mobile libraries