{"id":3742769,"url":"https://alion.io/job/sigma-software-group-senior-android-developer-adtech-sdks","title":"Senior Android Developer (AdTech SDKs)","company":{"id":6266,"name":"Sigma Software Group","domain":"sigma.software","url":"https://alion.io/company/sigma-software-group","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":null},"role":"Mobile","role_family":"Mobile","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Kraków, Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Android SDK","optional":false},{"name":"Gradle","optional":false},{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"Maven","optional":false}],"status":"live","first_seen_at":"2026-11-04T09:12:30Z","employer_posted_date":"2026-11-04","last_verified_at":"2026-11-07T14:51:15Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Join a project where your work directly impacts large-scale mobile monetization platforms used by publishers worldwide. We are looking for a Senior Android Developer with strong expertise in native Android SDK development and production-grade mobile engineering.\nIn this remote role, you will collaborate with distributed engineering teams to maintain and enhance scalable Android SDKs integrated into real mobile applications at scale. This opportunity is ideal for engineers who enjoy solving architectural, release management, and compatibility challenges beyond standard mobile application development.\nWe at Sigma Software offer the opportunity to work with modern technologies, contribute to open-source SDK solutions, and collaborate with experienced professionals in the growing AdTech domain. You will join a technically strong environment focused on reliability, scalability, and engineering excellence.\nCUSTOMER\nOur Customer operates in the mobile advertising technology industry and develops SDK solutions that help mobile publishers monetize their applications through in-app advertising infrastructure. Their products support ad delivery, rendering, analytics, and communication with advertising platforms while serving performance-sensitive production environments used worldwide.\nPROJECT\nThe project focuses on the development and maintenance of native Android advertising SDKs distributed through Maven repositories and integrated into third-party mobile applications. The SDKs support banner and video advertising, SSP communication, beacon and pixel tracking, timeout handling, and publisher-side integration workflows.\nThe team operates in a release-critical environment where SDK stability, backward compatibility, and production reliability are essential. Engineers contribute to scalable open-source SDK solutions already actively used in production by external publishers.\n Develop, enhance, and maintain native Android SDKs used in production environments\nImplement new SDK features and improve existing functionality\nEnsure SDK stability, backward compatibility, and release quality\nDesign and support SDK architecture, packaging, versioning, and release processes\nMaintain Maven and Gradle distribution pipelines\nCreate and maintain automated and device-based testing solutions\nInvestigate and resolve SDK defects, integration issues, and publisher-reported problems\nCollaborate with cross-functional teams to improve SDK reliability and performance\nParticipate in release planning, validation, and quality assurance activities\nSupport external publishers during SDK integration and troubleshooting\n4+ years of commercial Android development experience\nStrong commercial experience with Kotlin and Java\nProven experience developing native Android SDKs or libraries\nStrong understanding of Android SDK architecture and lifecycle\nHands-on experience with SDK packaging and distribution tools such as Maven Central, JitPack, and Gradle plugins\nExperience with versioning, release management, and dependency handling\nPractical experience with automated testing and device-based testing\nStrong focus on software quality and production reliability\nExperience working in release-critical environments\nAbility to troubleshoot complex integration and compatibility issues\nGood communication skills and ability to work in a distributed team environment\nUpper-Intermediate English level or higher\nWILL BE A PLUS\nExperience with AI-assisted testing approaches and test coverage optimization\nUnderstanding of mobile advertising technologies and AdTech ecosystems\nExperience with SSP platforms and ad servers\nKnowledge of banner and video advertising mechanics\nFamiliarity with tracking beacons and pixel-based analytics\nExperience 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