Job Summary: The SiDi is seeking passionate Android Developers for mobile development to work on innovative projects, collaborating within agile teams and building high-level solutions. Key Highlights: 1. Work on real-impact and innovative projects 2. Develop high-level solutions within a collaborative team 3. Focus on cutting-edge technology and continuous learning If you possess creative spirit, are driven by innovation, and wish to contribute to projects that generate real impact, this opportunity is for you! The **SiDi** is one of Brazil’s largest science and technology institutes and is continuously evolving. Here, we develop innovative solutions that connect people, devices, and experiences—always with a focus on cutting-edge technology. We are looking for passionate **Android Developers** who love mobile development, are proactive, collaborative, and curious, and who enjoy working in teams, sharing knowledge, and building high-level solutions. If you are dynamic, communicative, and want to join a diverse team that values continuous learning and innovation, come be a **\#SiDier** and help us build the future together! **Responsibilities and Duties** * Participate in all stages of the software development lifecycle—from requirements analysis, architecture design, coding, testing, maintenance, and evolution of solutions; * Develop and maintain high-quality source code, investigating and resolving defects, implementing improvements and changes requested by internal and external clients; * Analyze requirements with clients, produce technical documentation, and validate deliverables through testing and continuous integration; * Collaborate in agile environments—sharing knowledge, providing technical support to the team, and reviewing partners’ solutions; * Design software modules, assess technical feasibility of innovative features, identify risks, estimate effort, and contribute to project planning; * Propose process improvements, participate in quality, innovation, and patent-generation activities, and represent SiDi in technical interactions and domestic or international travel for knowledge transfer. **Requirements and Qualifications** **What We Expect From You:** * Experience with Java and Kotlin; * Experience with Android SDK (especially Activities, BroadcastReceivers, ContentProviders); * Experience with Android Jetpack Components; * Experience creating Services in Android; * Knowledge of 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. **Desirable Knowledge:** * Familiarity with indexing and search using Apache Lucene. * Knowledge of application performance analysis and optimization. * Experience with search and indexing solutions. * Practical experience with Apache Lucene. * Understanding of search quality metrics (precision, recall, MRR/NDCG, etc.). * Experience with solutions involving inter-application communication. **Academic Background:** * Completed undergraduate degree in Computer Science, Computer Engineering, Systems Analysis, Electrical Engineering, or related fields. **Language:** * Conversational English is a plus due to our international partner. **Additional Information** Position based in **Manaus/AM**, under a **hybrid work model**. **What We Expect From All \#SiDiers:** Embrace the new Maintain open and direct dialogue Continuously develop yourself Always strive for excellence Build partnerships Think big, act fast **What We Offer?** * **Quality of Life**: 40-hour weekly schedule under CLT employment, flexible hours, and hybrid work options; * **Well-being**: Wellhub (Gympass), Workplace Gymnastics, On-site Massage, and Psychological Support (Zenklub); * **Health**: Medical and Dental Insurance for you and your family; * **Children**: Daycare allowance for miniSiDiers, 120-day maternity leave, and extended paternity leave; * **Future**: SiDi co-invests with you in private pension plans; * **Education**: Program supporting continued studies and specialization, language fluency incentives, and weekly lectures on global trending topics; * **Meals**: Flexible Meal and Food Allowance; * **Transportation**: Subsidy for commuting and parking for those working onsite; * **Recognition**: Annual performance bonus and awards for SiDiers who achieve outstanding results; * **Diversity**: Committees focused on Well-being, Diversity, Mental Health, Social Impact, Sustainability, and Women in Technology; * **Modern Offices**: Relaxed, collaborative environments with social spaces, decompression rooms, pantries, coffee machines, and snacks, etc.; * **Still Want More?** Dozens of partnership benefits and discounts! For us, inclusion is not merely adding another person to our team—it is about integrating differences and unique characteristics. It is precisely from this blend of techniques, skills, and stories that we draw inspiration to align diverse perspectives toward a shared horizon—always moving forward. We operate in an environment of equal opportunity, regardless of gender, sexual orientation, religion, or disability. All our positions are open to persons with disabilities (PCDs). JOB CODE: **5724** \- **N3** **We are one of Brazil’s largest science and technology institutes—and with a growing team of over 800 SiDiers, we already operate in Campinas, Manaus, and Recife—the country’s largest technology parks and innovation hubs.** Because those who aspire to create projects that transform the world cannot stop transforming themselves. In **20 years of history**, we have specialized in solving problems and carry in our portfolio **over 1,100 projects**, impacting millions of lives—bringing innovation and making the future happen now.