Mid-Level Android Developer

Concept Reply, part of the Reply Network, is a leader in IoT solutions. We support and advise our customers in Automotive, Manufacturing, Smart Infrastructure and beyond in all aspects of Internet of Things (IoT) and Cloud Computing. From designing and developing customized IoT solutions to implementing and managing them seamlessly, Concept Reply helps customers unlock the potential of IoT.

Position Overview

We are looking for a Mid-Level Android Developer to join our team as a Consultant, supporting an existing Android application with a combination of application maintenance, troubleshooting, enhancements, and new feature development.

The ideal candidate has solid hands-on experience with Kotlin and native Android development, experience working with Firebase, and basic familiarity with AWS cloud services. This role requires someone comfortable working with an established codebase, investigating production issues, and delivering reliable improvements while maintaining application stability.

Key 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.

Work with existing codebases to 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.

Required Skills & Experience

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:

Firebase Crashlytics

Firebase Cloud Messaging (FCM)

Firebase Analytics

Firebase 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 Have

Basic knowledge 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 is a plus.

Familiarity with Agile/Scrum development environments.

Ideal Candidate

The ideal candidate is a hands-on Android developer who is comfortable working in an environment where the majority of the work involves maintaining and improving an existing application, while also contributing to new development when required. They should be able to independently investigate technical issues, understand an existing codebase, and collaborate effectively with both technical and non-technical team members.

Role: Consultant – Android Developer
Level: Mid-Level
Primary Technology: Kotlin / Android
Project Focus: Application Maintenance, Support & Feature Development