Senior Android Developer (IoT)

TL;DR

Senior Android Developer (IoT): Building high-performance Android applications interfacing with globally distributed IoT ecosystems and cloud services (AWS) with an accent on concurrency, networking, and scalable architecture. Focus on implementing multi-threading solutions, optimizing real-time data processing, and ensuring reliable communication between mobile clients, edge devices, and backend systems.

Hybrid in Campinas, SP, Brazil

Company

Tech transformation specialists uniting human expertise with AI to create scalable tech solutions, with over 8,000 employees worldwide and partnerships with more than 1,000 clients.

What you will do

• Design and develop high-quality Android applications focusing on performance, scalability, and reliability.
• Implement multi-threading and concurrency solutions for real-time data processing and device communication.
• Build efficient communication layers between mobile clients, IoT devices, and cloud services.
• Collaborate with backend, product, and hardware teams for seamless end-to-end user experiences.
• Optimize application performance, memory usage, and network efficiency; troubleshoot complex issues.
• Create technical documentation including architecture diagrams and API contracts.

Requirements

• Native Android development using Kotlin and modern architecture practices (MVVM, Clean Architecture, modularization).
• Strong experience with multi-threading and concurrency (Coroutines, Flow, RxJava).
• Deep understanding of Android app architecture and RESTful API integration.
• Solid experience with AWS services (API Gateway, Lambda, DynamoDB, IoT Core).
• Strong networking knowledge (HTTP/HTTPS, TCP/IP, network debugging).
• Proficiency in English for global team collaboration; proven experience with shipped applications.

Nice to have

• Experience with IoT ecosystems or embedded systems.
• Basic infrastructure knowledge (routers, switches, DHCP).
• Interest in AI tools (GitHub Copilot, Cursor) for development efficiency.

Culture & Benefits

• Health and dental insurance, life insurance.
• Meal and food allowance, childcare assistance, extended paternity leave.
• Partnerships with gyms (Wellhub, TotalPass), discount club.
• Profit sharing and results participation (PLR).
• Continuous learning via hirify.global University, language platforms, online well-being resources.
• Pregnancy and parenting courses; support for people with disabilities.