We are looking for a professional with expertise in Android software development to join our team and help us develop new security features for our client. You will have the opportunity to collaborate with international teams. Come learn about SiDi and discover more about this opportunity. We are seeking proactive, dynamic, communicative professionals who enjoy teamwork to become part of our **\#SiDiers** team. **Responsibilities and duties** * Development of new features and improvements for mobile development projects; * Participation in the development of Android applications and services, primarily at the Framework level; * Implementation of cybersecurity features in Android systems; * Working in a collaborative and dynamic environment using agile development methodologies; * Learning and sharing best practices related to coding and software architecture; * Technical alignment with national and international stakeholders. **Requirements and qualifications** **What we expect from you:** * Proficiency in the Java programming language; * Knowledge of Linux; * In-depth understanding of Android application architecture and lifecycle; * Experience developing Android applications, services, and using Framework-level APIs; * Experience developing Android applications in client/server systems; * Advanced knowledge of object-oriented programming, design patterns, data structures, and Android application architecture; * Advanced knowledge of code versioning tools, preferably Git; * Flexibility, commitment, and ability to handle multiple tasks in parallel; * Solid experience in writing technical documentation. **Academic background:** * Bachelor’s degree completed in Computer Science, Computer Engineering, or related fields. **Languages:** * Advanced English proficiency for writing, reading, and speaking. **Preferred qualifications:** * Postgraduate degree, master’s, or doctoral degree in cybersecurity; * Experience with network communication protocols; * Academic or professional experience in cybersecurity; * Proficiency in other Android languages such as C/C\+\+, Rust, and Kotlin; * Knowledge of machine learning techniques. **Additional information** Hybrid opportunity in **Manaus-AM**. **What we expect from all \#SiDiers:** Embrace the new Maintain open and direct dialogue Continuously develop yourself Always do your best Build together Think big, act fast **What we offer?** * **Work-life balance:** 40-hour weekly schedule under CLT employment regime, 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 insurance 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 development support; weekly lecture series on global *trend topics*; * **Meals:** Flexible meal and food allowances; * **Transportation:** Transportation subsidy/cost assistance for commuting to SiDi, plus 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’s inclusion in technology; * **Modern offices:** Relaxed, collaborative environments with social areas, relaxation rooms, kitchens, and coffee machines; * **Want more?** Dozens of partnerships offering benefits and discounts! For us, inclusion is not merely adding another person to our team—it’s embracing differences and individuality. It is precisely through this blend of techniques, skills, and life 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 people with disabilities (PCDs).** JOB CODE: 5572 \- N2 **We are one of Brazil’s largest science and technology institutes. With over 800 growing SiDiers, we already operate 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. Over **20 years**, 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.