Senior Android Engineer — Build & Mentor Scalable Apps

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 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