Senior Android Developer (AdTech SDKs)
Sigma Software1 day ago
Remote, Poland or Kraków, PolandSenior
Responsibilities
- Develop, enhance, and maintain native Android SDKs used in production.
- Implement new SDK features and improve existing functionality.
- Design and support SDK architecture, packaging, versioning, dependency handling, 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.
- Support external publishers during SDK integration and troubleshooting.
- Collaborate with distributed cross-functional engineering teams to improve SDK reliability and performance.
- Participate in release planning, validation, and quality assurance activities.
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 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 and troubleshooting complex integration and compatibility issues.
- Upper-Intermediate English or higher is a plus.
- Experience with AI-assisted testing, test coverage optimization, mobile advertising technologies, SSP platforms, ad servers, banner and video advertising, tracking beacons, pixel-based analytics, open-source SDKs, or third-party publisher integrations is a plus.
Benefits
- Remote role with collaboration across distributed engineering teams.
- Opportunity to work on production SDKs used by publishers worldwide and contribute to open-source SDK solutions.
- Opportunity to work with modern technologies and experienced professionals in the AdTech domain.
About Sigma Software
Sigma Software is a London-headquartered, privately held IT consultancy that designs and builds custom software for startups and enterprises. The company provides end-to-end services—engineering, web and mobile development, .NET/Java platforms, AR/VR, and UI/UX—delivered via outsourcing, managed teams, and consulting. Founded in 2002, it supports long-term product development and modernization projects across multiple industries for global clients.