About the Role
LoopMe is a software company that builds software products and services for the advertising industry. LoopMe was founded in 2012 and today is a global company with 300+ employees. As the global leader in brand performance, we use AI-powered technology to redefine brand advertising for the digital and app ecosystem.As a Junior Android SDK Engineer, you will begin your career in mobile advertising technology, contributing to SDKs that help gaming and app developers monetize their applications through advertising revenue. You will work alongside experienced engineers who will mentor you as you develop expertise in SDK architecture, performance optimization, and the mobile advertising ecosystem.You will be part of our Android efforts and will work closely with our iOS development team, QA team, and senior engineers who will guide your professional growth.Key Skills & Experience:Required:Bachelor's degree in Software Engineering, Computer Science, or a related technical fieldStrong English communication skills, both spoken and written (B2-C1 level) — essential for daily collaboration with our international team across USA, Poland, and UkraineExperience with AI-assisted development tools (e.g., GitHub Copilot, Claude Code) to accelerate coding workflows, learning, and problem-solving~2 years of commercial or substantial personal project experience with Android developmentFoundational knowledge of Kotlin and JavaUnderstanding of core Android concepts:Activities, Fragments, ServicesApplication lifecycle and state managementBasic UI development (XML layouts, Jetpack Compose basics)Familiarity with Android Studio and Gradle build systemBasic understanding of RESTful APIs and JSON data handlingExperience with Git version controlNice-to-Have:Exposure to MVVM, MVP, or Clean Architecture patternsBasic unit testing knowledge (JUnit)Published apps on Google Play StoreFamiliarity with GitHub Actions or CI/CD conceptsKnowledge of Jetpack ComposeUnderstanding of networking libraries (Retrofit, OkHttp)Any exposure to iOS/Swift developmentKey Responsibilities:Learn and contribute to our advertising-focused SDKs under the guidance of staff-level engineersAssist in building and maintaining test apps used by developers and QA to validate SDKsContinuously learn and improve Claude Code workflows to enhance code quality, productivity, and efficiency in Android SDK developmentWrite clean, efficient, and well-documented code following team standardsParticipate in code reviews to learn best practices and provide peer feedbackHelp investigate and debug creative rendering issues with support from the teamCollaborate with Product Manager, Engineering Manager, and senior developers on feature implementationWrite and maintain unit tests for SDK componentsContribute to technical documentation for SDK integrationStay updated with Android development trends and share learnings with the teamWhat you will learn:SDK architecture and design principles for mobile advertisingPerformance optimization techniques (memory profiling, startup time, battery usage)Integration patterns with third-party ad networks and mediation platformsMaster Claude Code as a code assist tool to boost development speed and code qualityWebView and HTML5 content rendering in native Android appsCross-platform collaboration with iOS teamsCI/CD workflows and automated testing for SDK releasesReal-world experience with code that reaches millions of usersBenefits:International work environmentFlexible working schedule with a hybrid working model (3 days from the office)Annual performance bonus (up to 8%)One month of workation (work from any location worldwide for one month)Multikafeteria