Mid Android Engineer – Ai

Ciandt; Brasil; On-site; BRL 167,400 - 279,000; Full time

Benefits offered by this job

Health and dental insurance

Meal and food allowance

Childcare assistance

Extended paternity leave

Wellness partnerships

Profit Sharing

Life insurance

Continuous learning platform

Discount club

Job summary

Ciandt is looking for a skilled MID AI First Android Developer to enhance our mobile application for a global IoT ecosystem. This hybrid position requires working on-site 1–2 days per week in Campinas/SP, focusing on high-performance Android app development and utilizing AI tools to improve efficiency.

The ideal candidate should have experience in multi-threading, cloud integrations (AWS), and agile methodologies. Benefits include health insurance, meal allowances, and continuous learning opportunities.

Qualifications

• Experience or interest in leveraging AI tools to improve development efficiency.
• Develop native Android applications using Kotlin following modern architecture practices.
• Strong experience with multi-threading and concurrency in Android.
• Deep understanding of Android app architecture (MVVM, Clean Architecture).
• Experience with AWS services and RESTful APIs.

Responsibilities

• Design and develop high-quality Android applications.
• Implement robust multi-threading and concurrency solutions.
• Collaborate with backend, product, and hardware teams.
• Optimize application performance and network efficiency.
• Troubleshoot and resolve issues across layers.

Skills

Android application development

Multi-threading and concurrency

AWS services integration

RESTful API integration

Problem-solving

Agile collaboration

English proficiency

Job description

Job Overview

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. The 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.

Hybrid Position

This is a hybrid position (1–2 days a week on‑site in Campinas/SP).

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.

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

EEO STATEMENT

We support applicants with disabilities and will assist with assessments and accommodations.