Demo

Senior Mobile Developer

New York Technology Partners
Portland, ME Contractor
POSTED ON 10/28/2026
AVAILABLE BEFORE 11/26/2026

Senior Mobile Developer

  • Job Title: Senior Mobile Developer
  • Location: Portland, ME (Hybrid – 2-4 days/week onsite)

Must-Have Skills

  • Kotlin
  • Jetpack Compose
  • MVVM / Clean Architecture
  • REST API Integration
  • Offline and Caching Strategies
  • Unit Testing
  • Debugging and Performance Profiling

Role Overview

We are looking for an experienced Android Developer with strong Kotlin expertise to design, develop, test, and maintain high-quality Android applications. The ideal candidate will have hands-on experience building scalable, secure, and high-performance mobile applications using modern Android development practices. The candidate will work closely with product managers, UI/UX designers, backend engineers, and QA teams to deliver reliable and user-friendly mobile solutions.

Technical Core & Responsibilities

Android Development

  • Design, develop, and maintain native Android applications using Kotlin
  • Build scalable and maintainable applications using Android SDK and modern Android architecture
  • Develop responsive and user-friendly mobile interfaces following Material Design principles
  • Work with Jetpack components, including ViewModel, LiveData, Room, Navigation, and WorkManager
  • Implement modern UI using Jetpack Compose

Integration & Architecture

  • Integrate RESTful APIs and backend services into Android applications
  • Work with JSON, authentication, push notifications, and third-party SDK/API integrations
  • Implement MVVM / Clean Architecture and appropriate design patterns

Quality & Performance

  • Write clean, reusable, testable, and well-documented code
  • Develop unit tests and UI tests and work closely with QA to resolve defects
  • Troubleshoot performance issues, crashes, memory leaks, and other production issues
  • Participate in code reviews and contribute to technical design and architecture discussions

Collaboration & Delivery

  • Collaborate with cross-functional teams in an Agile/Scrum environment
  • Ensure applications meet security, performance, scalability, and usability requirements
  • Support application releases through Google Play Store and CI/CD pipelines

Note

  • Hybrid in Portland, ME – 2-4 days/week onsite
  • Kotlin, Jetpack Compose, MVVM/Clean Architecture, REST API integration, offline/caching strategies, unit testing, and debugging/performance profiling experience required

Hourly Wage Estimation for Senior Mobile Developer in Portland, ME
$61.00 to $77.00
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