Senior Android Developer (Mobile)

Description

Job Summary: The SiDi is seeking a Senior Android Developer to build intelligent solutions and collaborate with experts on mobile projects, working across the entire software development lifecycle. Key Highlights: 1. Work across the entire software development lifecycle, from analysis to maintenance. 2. Collaborate with technical teams and clients to define requirements. 3. Contribute to technological innovation and propose new ideas. 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’ll tackle real-world challenges, engage in high-level technical work, drive continuous innovation, and collaborate daily with technology experts. If you’re 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** * Work across the entire software development lifecycle—from requirements analysis and architecture definition through coding, testing, maintenance, and evolution of solutions. * 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 operate in an agile environment, following best practices in architecture and development. * Contribute to technological innovation by conducting 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 activities and business travel to collaborate with external teams. **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. * Experience building Services in Android. * Knowledge of design patterns and architectures such as MVC or MVVM * Experience with solutions that communicate with other applications. * 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:** * Advanced English for reading, writing, and speaking. **Nice-to-Have Qualifications:** * 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 * Knowledge of search quality metrics (precision, recall, MRR/NDCG, etc.) * Fluent English for conversation is a plus due to our international partner. **Additional Information** Position located in **Manaus/AM**, hybrid work model—open to candidates willing to relocate. **What We Expect From All \#SiDiers:** Stay open to new ideas Maintain open and direct communication 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 with hybrid work (4 days in office, 1 day remote); * **Well-being:** Gympass (WellHub, Workplace Gymnastics, Quick Massage, and Psychological Support); * **Health:** Medical and dental insurance 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 lectures on global *trend topics*; * **Meals:** Flexible meal and food vouchers; * **Transportation:** Transportation subsidy/cost assistance to reach SiDi offices, and parking for those working onsite; * **Recognition:** Annual performance bonus and awards for SiDiers who achieve exceptional results; * **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, pantries, and coffee machines; * **Want More?** Dozens of partnership benefits and discounts! For us, inclusion isn’t just about adding one more 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: **5797 \- N3** **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 will transform the world cannot stop transforming themselves. In **20 years of history**, we’ve specialized in solving problems and have delivered **over 1,100 projects**, impacting millions of lives—bringing innovation to life and making the future happen now.