Mid-Level Android Developer

Reply•Detroit Area, MI

About The Position

Concept Reply, part of the Reply Network, is seeking a Mid-Level Android Developer to work as a consultant supporting an existing native Android application. The role combines application maintenance, troubleshooting, enhancements, and new feature development. The developer will work primarily with Kotlin, Firebase, REST APIs, and cloud-connected services hosted on AWS, with a focus on investigating production issues and delivering reliable improvements while maintaining application stability. The ideal candidate is comfortable working with an established codebase, independently investigating technical issues, and collaborating with technical and non-technical stakeholders. The position involves coordinating with backend developers, QA engineers, product teams, and other technical stakeholders, as well as participating in code reviews and following established development standards. Concept Reply supports customers in areas including Automotive, Manufacturing, and Smart Infrastructure with IoT and Cloud Computing solutions. The base compensation range for this contract position is $80,000–$90,000 per year, with regional variations and individual qualifications considered.

Requirements

3–5 years of Android development experience or equivalent hands-on experience.
Strong development experience with Kotlin.
Good understanding of the Android SDK and Android application lifecycle.
Experience with common Android architecture patterns such as MVVM.
Experience with Coroutines and asynchronous programming.
Experience integrating RESTful APIs and working with JSON.
Hands-on experience with Firebase, such as Crashlytics, Cloud Messaging (FCM), Analytics, Authentication, or Remote Config.
Experience debugging, maintaining, and improving existing Android applications.
Familiarity with Git and standard software development workflows.
Understanding of unit testing and general Android testing practices.

Nice To Haves

Basic knowledge of or hands-on exposure to AWS services and cloud-based application architectures.
Experience with AWS services such as API Gateway, Cognito, Lambda, CloudWatch, or S3.
Familiarity with CI/CD pipelines for Android applications.
Experience supporting production applications and investigating issues using logs and monitoring tools.
Experience with Jetpack Compose.
Familiarity with Agile/Scrum development environments.

Responsibilities

Maintain and enhance existing native Android applications using Kotlin.
Investigate, troubleshoot, and resolve application defects and production issues.
Develop and integrate new features based on business and technical requirements.
Review existing codebases and identify opportunities for improvement and refactoring.
Integrate Android applications with REST APIs and backend services.
Work with Firebase services for application monitoring, analytics, notifications, and other application capabilities.
Support application releases, bug fixes, and ongoing maintenance activities.
Collaborate with backend developers, QA engineers, product teams, and other technical stakeholders.
Participate in code reviews and follow established development and coding standards.
Assist with debugging and root-cause analysis of application and integration issues.
Work with cloud-connected applications and services hosted on AWS.