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Summary: Join a software engineering team to develop high-performance Android applications interfacing with a globally distributed IoT ecosystem and cloud services. Highlights: 1. Develop high-quality Android apps with focus on performance and scalability. 2. Implement robust multi-threading and concurrency solutions for real-time data. 3. Collaborate with backend, product, and hardware teams for seamless experiences. We are **tech transformation** specialists, uniting human expertise with AI to create scalable tech solutions. With over 8,000 CI\&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality. We are seeking a highly skilled Android Developer to join our software engineering team and contribute to the development of a mobile application that interfaces with a globally distributed IoT ecosystem. This role focuses on building high\-performance, reliable Android applications that communicate with cloud services (AWS) and edge devices, with an emphasis on concurrency, networking, and scalable software architecture. **RESPONSIBILITIES :** * Design and develop high\-quality Android applications with a focus on performance, scalability, and reliability. * Implement robust multi\-threading and concurrency solutions to handle real\-time data processing and device communication. * Build and maintain efficient communication layers between mobile clients, IoT devices, and cloud services. * Collaborate with backend, product, and hardware teams to deliver seamless end\-to\-end user experiences. * Create and maintain technical documentation, including architecture diagrams, API contracts, and system workflows. * Optimize application performance, memory usage, and network efficiency. * Troubleshoot and resolve complex issues across mobile, network, and cloud layers. * Stay current with Android platform changes, modern development practices, and emerging technologies (including AI\-assisted development). **REQUIREMENTS:** * Develop native Android applications using Kotlin, following modern Android architecture practices. * Strong experience with multi\-threading and concurrency in Android (e.g., Coroutines, Flow, RxJava, thread management). * Deep understanding of Android app architecture (MVVM, Clean Architecture, modularization). * Experience integrating with RESTful APIs and handling asynchronous data flows. * Solid experience with AWS services (e.g., API Gateway, Lambda, DynamoDB, IoT Core or similar cloud services). * Strong understanding of networking concepts, including: * HTTP/HTTPS, TCP/IP * Network debugging and performance tuning * Basic infrastructure knowledge (routers, switches, DHCP, local network configuration) * Experience building applications that interact with connected devices / IoT systems is a strong plus. * Write clean, maintainable, and well\-documented code. * Participate in code reviews and contribute to engineering best practices. * Collaborate in an Agile environment to deliver high\-quality features. * Experience or interest in leveraging AI tools (e.g., GitHub Copilot, Cursor, LLM\-based workflows) to improve development efficiency. **QUALIFICATIONS:** * Strong problem\-solving skills, especially in debugging cross\-layer issues * Proficiency in English for effective collaboration in a global team. * Proven experience as an Android Developer, with shipped applications. * Strong foundation in software design patterns and system architecture. * Hands\-on experience with cloud\-integrated mobile applications (AWS preferred). * Experience with real\-time data, streaming, or device communication is a plus. * Familiarity with IoT ecosystems or embedded systems is highly desirable. If you like it, just apply and good luck! \#LI\-GV1 **Our benefits:*** Health and dental insurance * Meal and food allowance * Childcare assistance * Extended paternity leave * Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass; * Profit Sharing and Results Participation (PLR); * Life insurance * Continuous learning platform (CI\&T University); * Discount club * Free online platform dedicated to physical, mental, and overall well\-being * Pregnancy and responsible parenting course * Partnerships with online learning platforms * Language learning platform And many more! More details about our benefits here: https://ciandt.com/br/pt\-br/carreiras At CI\&T, inclusion starts at the first contact. If you are a person with a disability, it is important **to present your assessment during the selection process.** *See which data needs to be included in the report by* *clicking here*.This way, we can ensure the support and accommodations that you deserve. **If you do not yet have the assessment, don't worry: we can support you in obtaining it.** We have a dedicated Health and Well\-being team, inclusion specialists, and affinity groups who will be with you at every stage. Count on us to make this journey side by side.
