{"id":3305918,"url":"https://alion.io/job/cit-mid-level-android-developer-brazil-2","title":"Mid-Level Android Developer, Brazil","company":{"id":957,"name":"CI&T","domain":"ciandt.com","url":"https://alion.io/company/ciandt","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":95,"open_postings":20,"ghost_share":0,"stale_share":0.4,"repost_share":0,"time_to_fill_p50_days":14,"computed_at":"2026-10-30T05:48:23Z"}},"role":"Mobile","role_family":"Mobile","seniority":"middle","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Brazil"],"countries":["BR"],"hiring_countries":["BR"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Git","optional":false},{"name":"Kotlin","optional":false},{"name":"Kotlin Multiplatform","optional":false},{"name":"Rest API","optional":false}],"status":"live","first_seen_at":"2026-10-27T00:31:36Z","employer_posted_date":"2026-10-27","last_verified_at":"2026-10-31T01:55:55Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"About the Role\nAs a Mid-Level Android Developer, you will play a key role in designing, developing, and maintaining advanced Android applications using Kotlin. You will collaborate with cross-functional teams to define, implement, and deliver new features while ensuring application performance, quality, responsiveness, and maintainability. You will also contribute to improving code quality, optimizing application performance, and exploring new technologies to enhance development efficiency and deliver a seamless user experience.\nWhat you will do:\nDevelop, maintain, and enhance Android applications using Kotlin.\nCollaborate with cross-functional teams to define, design, develop, and deliver new features aligned with business and user requirements.\nEnsure application performance, quality, stability, and responsiveness across supported Android devices and versions.\nIdentify and resolve performance bottlenecks, technical issues, and software defects.\nMaintain high standards of code quality, organization, readability, and maintainability.\nImplement and maintain automated development and testing practices to improve software reliability and development efficiency.\nIntegrate Android applications with backend services through RESTful APIs.\nApply Android design principles and UI/UX guidelines to deliver intuitive and consistent user experiences.\nUse performance profiling and memory analysis tools to identify optimization opportunities.\nCollaborate with team members to troubleshoot issues, review implementations, and share technical knowledge.\nContinuously evaluate and adopt relevant technologies, tools, and development practices to improve productivity and application quality.\nContribute to Kotlin Multiplatform Mobile (KMM) development initiatives and the integration of shared code across mobile platforms.\nMust-have:\nAndroid Development: Proven experience developing Android applications, supported by a strong portfolio of applications or relevant projects.\nKotlin: Proficiency in Kotlin, including its core language features, object-oriented programming, and modern development practices.\nMobile Development Lifecycle: Solid understanding of the full mobile application development lifecycle, from requirements analysis and implementation to testing, release, maintenance, and support.\n Kotlin 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