[Job-28961] AI Android Engineer (Senior)

At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy. We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day. Note: This is a hybrid position (1 a week on-site in Campinas/SP)  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: - Experience or interest in leveraging AI tools (e.g., GitHub Copilot, Cursor, LLM-based workflows) to improve development efficiency. - 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. - Experience with AWS services (e.g., API Gateway, Lambda, DynamoDB, IoT Core or similar cloud services). - 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. 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!