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Caique Oliveira
From Brazil 10:44 PM (GMT+01:00)
$50/hr or $100,000/yr
Active 27 minutes ago

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Senior Mobile Developer

Android Developer
Available for hire
Years of experience
11+ years
Experience level
Staff
Available for
Full-time, Part-time, Contract, Freelance
Available from
24 Sep 2026

Experienced Staff Mobile Engineer with 10+ years developing high-performance Android applications. Specialized in Kotlin, Java, and Android SDK with expertise in KMP (Kotlin Multiplatform), Design Systems, Mobile Architecture, and Cross-platform Development.

Core Competencies:

• Kotlin Multiplatform (KMP) - Cross-platform shared code for iOS and Android

• Jetpack Compose - Modern declarative UI framework

• Android Architecture - MVVM, Clean Architecture, Design Systems

• Mobile Performance Optimization - APK reduction, app startup, memory management

• Gradle Build Automation - Fast, scalable builds and dependency management

Technical Skills: Android Jetpack (Navigation, ViewModel, Room, WorkManager, DataStore), Jetpack Compose, Kotlin coroutines, MVVM, Firebase, Unit Testing, CI/CD pipelines.

Leadership: Managed 15+ engineers across iOS, Android, Web, and QA teams at Stone fintech. Hands-on technical leadership balancing code contributions with team development.

Domain Expertise: Fintech/Banking products (Cash App, Stone), High-scale systems (Reddit 100M+ users), E-mobility (Glovo), Digital payments.

Currently focused on Kotlin Multiplatform and Flutter for modern cross-platform mobile solutions at Teya.

Skills

REST Sentry Firebase SQLite Firestore Git GitHub Figma ChatGPT HTML Kotlin Hetzner Gradle

Languages

English Spanish Portuguese

Employment History

Staff Mobile Engineer | KMP | Android at Teya Current 2024 - Now
Leading development of cross-platform mobile apps using Kotlin Multiplatform (KMP) and Flutter. Architecting shared business logic across iOS/Android, building UIs with Jetpack Compose and Compose Multiplatform. Reduced APK size by 20% and improved startup time by 30%. Mentoring engineers on KMP best practices and establishing CI/CD pipelines.
Senior Android Engineer at Glovo 2024 - 2024
Worked on Glovo's customer and courier Android apps. Implemented the Glovo design system using Kotlin and Jetpack Compose, with contributions to iOS components in SwiftUI. Implemented memory leak observability on the courier app. Led a new home screen flow connecting different parts of the courier app, an initiative that reduced costs by around €1M.
Senior Android Engineer at Reddit, Inc. 2023 - 2024
Senior Android Engineer working on the Reddit Android app, contributing to architecture and modularization using Anvil and Android Jetpack.
Android Senior Software Engineer at Cash App 2022 - 2023
Worked on the banking product at the Verse app on Android.
Head of Frontend Engineer at Stone 2020 - 2022
Hands-on, coding at least 50% of the time as a top-3 contributor to the Android mobile app while also managing the iOS, Android, Web and QA teams, all part of the same banking application (mobile apps and portal).
Tech Lead Android at Stone 2019 - 2020
Collaborated with quality engineers, product management, and design, and led the Android team to ensure quality during app development. Scaled the product from 0 to 500k+ customers.
Sr Android Developer at Stone 2017 - 2019
Defined and implemented a robust native Android bank account app.
Android Tech Lead at Stone 2016 - 2017
Defined and implemented a credit card wallet app.

Education

Bachelor's degree, Computer Science at Universidade Federal de Sergipe 2012 - 2016
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