Senior Android Developer [Mobile]

Description

Job Summary: The SiDi is seeking a Master Android Developer to work on mobile projects, creating intelligent solutions that connect people, information, and technology at a global scale. Key Highlights: 1. Working on real-world challenges, maintaining a high technical standard, and driving continuous innovation. 2. Collaborating with experts who live and breathe technology every day. 3. Contributing to technological innovation and proposing new ideas. At SiDi—one of Brazil’s largest science and technology institutes—we are looking for a Master Android Developer to join a **Mobile** project, building intelligent solutions that connect people, information, and technology at a global scale. Here, you’ll tackle real-world challenges, operate at a high technical level, drive continuous innovation, and collaborate daily with experts who live and breathe technology. If you’re curious, proactive, enjoy solving complex problems, and believe in the power of innovation, join us to build the future and become part of the \#SiDiers team. **Responsibilities and Duties** * Participate in the entire software development lifecycle—from requirements analysis and architecture definition to coding, testing, maintenance, and solution evolution. * Develop and maintain high-quality code; investigate and fix defects; implement improvements and changes requested by internal and external clients—ensuring stability, performance, and reliability. * Collaborate with technical teams and clients to define requirements and scope; produce technical documentation; integrate and validate deliverables via version control and unit testing; and work in an agile environment, following best practices in architecture and development. * Contribute to technological innovation through technical research, proposing new ideas, process improvements, and initiatives that may lead to patents. * Provide technical support to partners and colleagues, share knowledge, estimate effort, identify technical risks, and contribute to technical excellence and project quality at SiDi—including occasional participation in collaborative activities and business travel with external teams. **Requirements and Qualifications** **What We Expect From You:** * Solid expertise in Java and Kotlin; * Experience with Android SDK (especially Activities, BroadcastReceivers, ContentProviders); * Experience with Android Jetpack Components; * Experience developing Services in Android; * Knowledge of design patterns and architectures such as MVC or MVVM; * Experience building solutions that communicate with other applications; * Experience with databases (SQL and NoSQL); * Knowledge of unit testing; * Basic understanding of application security and privacy. **Preferred Qualifications:** * Knowledge of performance analysis and application optimization; * Experience with search and indexing solutions; * Practical experience with Apache Lucene; * Familiarity with search quality metrics (precision, recall, MRR/NDCG, etc.). **Academic Background:** * Completed undergraduate degree in Computer Science, Computer Engineering, Systems Analysis, Information Systems, or related fields. **Languages:** * Advanced English proficiency for reading, writing, and speaking. **Additional Information** This position is based in **Manaus/AM**, under a **hybrid work model**, and we welcome candidates open to relocating. **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?** * **Work-Life Balance**: 40-hour weekly schedule under CLT employment, flexible hours, and hybrid work options; * **Well-being**: Wellhub (Gympass), On-site Fitness Classes, Office Massage, and Psychological Support (Zenklub); * **Healthcare**: Medical and dental plans for you and your family; * **Children**: Daycare allowance for miniSiDiers, 120-day maternity leave, and extended paternity leave; * **Future Planning**: SiDi co-invests with you in private pension plans; * **Education**: Study and specialization incentive program; language fluency support; and weekly talks on global trending topics; * **Meals**: Flexible meal and food allowances; * **Transportation**: Commuting subsidy and parking assistance for office-based employees; * **Recognition**: Annual performance bonus and awards for outstanding contributions by SiDiers; * **Diversity**: Committees focused on Well-being, Diversity, Mental Health, Social Impact, Sustainability, and Women in Technology; * **Modern Offices**: Relaxed, collaborative environments with social areas, decompression rooms, kitchens, coffee machines, and snacks; * **And More?** Dozens of partner benefits and discounts! For us, inclusion isn’t just about adding another person to our team—it’s about embracing differences and unique perspectives. It’s precisely this blend of techniques, skills, and stories that inspires us to align diverse viewpoints 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 persons with disabilities (PCDs). JOB CODE: **5628** \- **N3** **We are one of Brazil’s largest science and technology institutes—and with over 800 growing SiDiers, we’re already present in Campinas, Manaus, and Recife—the country’s largest technology and innovation parks.** Because those who aspire to build projects that transform the world cannot stop transforming themselves. In **20 years of history**, we’ve specialized in solving problems and **delivered over 1,100 projects**, impacting millions of lives—bringing innovation to life and making the future happen now.