[Job-28961] AI Android Engineer (Pleno)

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!