CI&T

HQ: Hybrid

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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.
Note: This is a hybrid position (1–2 days a week on-site in Campinas/SP)
We are seeking a skilled MID AI First 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.

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.
Apply info ->

To apply for this job, please visit the application page

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