Key Facts

Remote From:

Argentina

Full time

English

Hard Skills

Other Skills

•
Teamwork
•
Collaboration

Roles & Responsibilities

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.

Requirements:

Design, develop, and maintain the Android SDK using Java.
Build SDK APIs that wrap company REST services.
Own SDK versioning, releases, and backward compatibility.
Write and maintain unit and integration tests using JUnit and Mockito.

AccelOne

About AccelOne

AccelOne is a rapidly growing, multinational technology outsourcing company that develops software applications and provides senior and experienced technical staffing from the Americas with US offices in Seattle, Atlanta, Orange County, Bay Area, and Buenos Aires, Argentina. AccelOne applies a dualshore model: local and nearshore staffing approach to delivering its services which focus on building challenging and innovative software products for the world's most innovative sectors, including blockchain where it has years of experience delivering software projects and staffing for some of the world's biggest cryptocurrency custodians, trading and exchange platforms. Our company applies the latest software architecture, development, and design processes and procedures in its delivery. The company's culture of seeking innovative solutions is also applied to building its custom software and systems for itself which enables it to deliver on its company guiding principles and promise of Transparency, Accountability, and Responsiveness.

Company type: Scaleup

Founded: 2018

Company size: 51 - 200

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Job description

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.