Senior Android Developer (AdTech SDKs)

Sigma Software

3d•Remote

About The Position

Join a project developing and maintaining native Android advertising SDKs used in production by mobile publishers worldwide. The SDKs are distributed through Maven repositories and integrated into third-party mobile applications. They support banner and video advertising, SSP communication, beacon and pixel tracking, timeout handling, and publisher-side integration workflows. This remote role involves enhancing scalable SDKs in a release-critical environment where stability, backward compatibility, and production reliability are essential. The engineer will contribute to SDK architecture, packaging, versioning, distribution, testing, and release processes, while collaborating with distributed engineering teams and supporting external publishers with integration and troubleshooting. The project offers work with modern technologies and open-source SDK solutions in the AdTech domain.

Requirements

At least 4 years of commercial Android development experience.
Strong commercial experience with Kotlin and Java.
Proven experience developing native Android SDKs or libraries.
Strong understanding of Android SDK architecture and lifecycle.
Hands-on experience with SDK packaging and distribution tools such as Maven Central, JitPack, and Gradle plugins.
Experience with versioning, release management, and dependency handling.
Practical experience with automated testing and device-based testing.
Strong focus on software quality and production reliability.
Experience working in release-critical environments.
Ability to troubleshoot complex integration and compatibility issues.
Good communication skills and ability to work in a distributed team environment.
Upper-Intermediate English level or higher.

Nice To Haves

Experience with AI-assisted testing approaches and test coverage optimization.
Understanding of mobile advertising technologies and AdTech ecosystems.
Experience with SSP platforms and ad servers.
Knowledge of banner and video advertising mechanics.
Familiarity with tracking beacons and pixel-based analytics.
Experience contributing to or maintaining open-source SDKs.
Experience supporting third-party publisher integrations.

Responsibilities

Develop, enhance, and maintain native Android SDKs used in production environments.
Implement new SDK features and improve existing functionality.
Ensure SDK stability, backward compatibility, and release quality.
Design and support SDK architecture, packaging, versioning, and release processes.
Maintain Maven and Gradle distribution pipelines.
Create and maintain automated and device-based testing solutions.
Investigate and resolve SDK defects, integration issues, and publisher-reported problems.
Collaborate with cross-functional teams to improve SDK reliability and performance.
Participate in release planning, validation, and quality assurance activities.
Support external publishers during SDK integration and troubleshooting.