Senior Android SDK Engineer

About the role

Location: Remote
Employment Type: Full-Time / Contract

Role Summary

We are looking for a Senior Android SDK Engineer to own and evolve the Android SDK written in Java , enabling internal and partner applications to integrate reliably with our REST APIs.

This is a platform / SDK engineering role focused on stability, performance, backward compatibility, and developer experience . You will work closely with Backend, iOS, and Web teams to ensure consistent behavior across platforms.

Responsibilities

• Design, develop, and maintain the Android SDK using Java.

• Build SDK APIs that wrap company REST services.

• Ensure SDK stability, performance optimization, memory efficiency, and safe behavior within host applications.

• Own SDK versioning, releases, and backward compatibility.

• Build and publish SDK releases as Maven dependencies hosted in JFrog Artifactory.

• Write and maintain unit and integration tests using JUnit and Mockito.

• Maintain SDK documentation and developer integration guides.

• Collaborate with Backend, iOS, and React engineers to align API contracts and client behavior.

Requirements

• 5+ years of Android development experience with strong proficiency in Java.

• Proven experience building and maintaining Android SDKs, libraries, or reusable components.

• Strong experience consuming REST APIs, including authentication, retries, and error handling.

• Experience with Maven/Gradle dependency management and publishing libraries.

• Experience working with JFrog Artifactory.

• Hands-on experience with JUnit and Mockito.

• Proficiency with Git and CI/CD pipelines.

Nice to Have

• Kotlin experience and interest in Android modernization.

• Experience with OkHttp and/or Retrofit.

• SDK-level logging, diagnostics, or error modeling experience.

• ProGuard / R8 configuration for SDK consumers.

• Experience collaborating across iOS, React, or React Native platforms.