Android Developer (Senior)

Quality & Reliability S.A. (QnR); Kentucky; On-site; USD 90,000 - 130,000; Full time

Job summary

Quality and Reliability (QnR) is seeking a Senior Android Developer to design, build, and maintain Android applications. You will collaborate with product managers, designers and backend engineers to translate requirements into high-quality features and scalable architectures.

The role emphasizes mentoring peers, testing, and a solid understanding of the Google Play release process. The ideal candidate has 4+ years in Android, strong Kotlin skills (Java a plus), API integration experience, and

Qualifications

• At least 4 years of Android development experience.
• Solid Kotlin experience; Java is a plus.
• Experience integrating RESTful APIs with Android apps.
• Hands-on with Git and CI/CD pipelines (e.g., Fastlane, Bitrise, GitHub Actions).
• Familiar with automated testing frameworks (JUnit, Espresso, MockK) and TDD mindset.
• Good understanding of Google Play submission, app signing and release workflows.
• Strong English communication skills.

Responsibilities

• Design, develop and maintain Android applications.
• Collaborate with product managers and designers to translate requirements into features.
• Design scalable, maintainable architectures and mentor other developers.
• Write unit and UI tests to ensure code quality, reliability and long-term maintainability.

Skills

Android development

Kotlin

REST APIs

English communication

Test-driven mindset

Tools

Git

Fastlane

Bitrise

GitHub Actions

JUnit

Espresso

MockK

Job description

Quality and Reliability (QnR) is a leading Technology Group, with more than 30 years of presence in the market, delivering mission-critical digital transformation across Greece, Europe, and the broader EMEA region. QnR is an Athens Stock Exchange-listed technology Group currently undergoing a period of significant growth and transformation, having completed five acquisitions within the last 18 months.

Role overview

We are looking for a Senior Android Developer to join our team and help build and maintain Android applications. You will work closely with product managers, designers and backend engineers.

The ideal candidate will be responsible for:

• Designing, developing and maintaining Android applications
• Collaborating with product managers and designers to translate requirements into high-quality features
• Designing scalable, maintainable architectures and mentoring other developers
• Writing unit and UI tests to ensure code quality, reliability and long-term maintainability

To excel in this role, you'll need:

• At least 4 years of experience in Android development
• Solid experience with Kotlin (Java is a plus)
• Experience integrating RESTful APIs with Android applications
• Hands-on experience with version control ( Git ), CI/CD pipelines ( Fastlane, Bitrise, GitHub Actions, or similar)
• Familiarity with automated testing frameworks ( JUnit , Espresso , MockK) and a test-driven mindset
• Good understanding of the Google Play submission process, app signing and release workflows
• Strong English communication skills