Job Summary: We are seeking a Senior Android Developer to build intelligent and innovative solutions for a Mobile project, tackling real-world challenges and collaborating with technology specialists. Key Highlights: 1. Work on Mobile projects to create intelligent solutions 2. Tackle real-world challenges with high technical complexity 3. Collaborate with technology experts who live and breathe technology At SiDi—one of Brazil’s largest science and technology institutes—we are looking for a Senior Android Developer to work on a **Mobile** project, building intelligent solutions that connect people, information, and technology at a global scale. Here, you will tackle real-world challenges, operate at a high technical level, drive continuous innovation, and collaborate daily with technology experts who live and breathe technology. If you are curious, proactive, enjoy solving complex problems, and believe in the power of innovation, join us in building the future—and become part of the **\#SiDiers** team. **Responsibilities and Duties** * Support the full software development lifecycle (requirements, coding, testing, and maintenance). * Develop and maintain code following team-defined standards and processes. * Fix reported defects by analyzing logs and source code to identify root causes. * Implement improvements and change requests under team guidance. * Perform unit testing and support validation of deliverables prior to release. * Participate in technical discussions and collaborate on requirements analysis. * Work in an agile environment, adhering to best practices in architecture and coding. * Document features and support technical organization of the project. * Contribute technical and process improvement suggestions. * Share knowledge with the team and pursue continuous technical development. **Requirements and Qualifications** **What We Expect From You:** * Proven experience with Java and Kotlin * Proven experience with Android SDK (especially Activities, BroadcastReceivers, ContentProviders) * Experience with Android Jetpack Components * Knowledge of implementing Services in Android * Familiarity with design patterns and architectures such as MVC or MVVM * Experience with databases (SQL and NoSQL) * Knowledge of unit testing * Basic understanding of application security and privacy **Academic Background:** * Completed undergraduate degree in Computer Science, Computer Engineering, Systems Analysis, Information Systems, or related fields **Languages:** * Intermediate English proficiency (reading, writing, and speaking) **Nice-to-Have Qualifications:** * Knowledge of indexing and search using Apache Lucene * Understanding of application performance analysis and optimization * Experience with search and indexing solutions * Practical experience with Apache Lucene * Knowledge of search quality metrics (precision, recall, MRR/NDCG, etc.) * Advanced English speaking proficiency is a plus due to our international partner * Experience with solutions that communicate with other applications **Additional Information** Position based in **Manaus/AM**, under a **hybrid work model**. **What We Expect From All \#SiDiers:** Stay open to new ideas Maintain open and direct communication Pursue continuous development Always strive for excellence Build partnerships Think big, act fast **What We Offer?** * **Work-Life Balance:** 40-hour weekly schedule under CLT employment, flexible hours with hybrid work (4 days in-office, 1 day remote); * **Well-being:** Gympass (WellHub, Workplace Gymnastics, Quick Massage, and Psychological Support); * **Healthcare:** Medical and dental plans for you and your family; * **Children:** Daycare allowance for miniSiDiers, 120-day maternity leave, extended paternity leave; * **Future:** SiDi co-invests with you in private pension plans; * **Education:** Program supporting continued studies and specialization; language learning incentives; weekly talks on global *trend topics*; * **Meals:** Flexible meal and food allowances; * **Transportation:** Transportation subsidy/reimbursement for commuting to SiDi, and parking for those working onsite; * **Recognition:** Annual performance bonus and awards for outstanding SiDiers; * **Diversity:** Committees focused on Well-being, Diversity, Mental Health, Social Impact, Sustainability, and Women in Technology; * **Modern Offices:** Relaxed, collaborative environments with common areas, decompression rooms, kitchens, and coffee machines; * **Want More?** Dozens of partnerships offering benefits and discounts! For us, inclusion isn’t just about adding another person to our team—it’s about embracing differences and individualities. It is precisely through this mix of techniques, skills, and stories that we draw inspiration to align diverse perspectives toward a shared horizon—always moving forward. We foster an environment of equal opportunity, regardless of gender, sexual orientation, religion, or disability. **All our positions are open to candidates with disabilities (PCDs).** JOB CODE: **5798 \- N2** **We are one of Brazil’s largest science and technology institutes—and with a growing team of over 800 SiDiers, we’re already present in Campinas, Manaus, and Recife—the largest technology and innovation parks in Brazil.** Because those who aspire to build projects that transform the world cannot stop transforming themselves. In **20 years of history**, we have specialized in solving problems and **delivered over 1,100 projects**, impacting millions of lives—bringing innovation to life and making the future happen now.