Senior Android SDK Engineer (Remote) – AdTech Infra

Sigma Software; Województwo wielkopolskie; Remote; PLN 120,000 - 180,000; Full time

Job summary

Sigma Software seeks a Senior Android Developer to contribute to native Android SDKs used by publishers worldwide. You will work on maintaining, enhancing, and releasing production‑grade Android SDKs in a distributed, remote team.

You will tackle architecture, testing, and reliability challenges in the AdTech domain, using Kotlin and Java with modern tooling, to deliver robust SDK solutions for third‑party applications.

Qualifications

• 4+ years of commercial Android development experience.
• Proven experience developing native Android SDKs or libraries.
• Strong knowledge of Kotlin and Java and Android lifecycle.
• Experience with SDK packaging and distribution tools such as Maven Central, JitPack, and Gradle.
• Experience in release‑critical environments and automated testing.

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.

Skills

Android development

Kotlin

Java

SDK packaging

Release management

Automated testing

Production reliability

Release‑critical environments

Troubleshooting

Distributed teamwork

English (upper–intermediate)

Tools

Maven Central

JitPack

Gradle

Job description

Sigma Software seeks a Senior Android Developer to contribute to native Android SDKs used by publishers worldwide. You will work on maintaining, enhancing, and releasing production‑grade Android SDKs in a distributed, remote team.

You will tackle architecture, testing, and reliability challenges in the AdTech domain, using Kotlin and Java with modern tooling, to deliver robust SDK solutions for third‑party applications.