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Leonardo Valle

@leonardovalle

Senior Android engineer at Stellantis building a Compose Multiplatform app with shared UI and business logic for Android and iOS.

Brazil

Message

At Stellantis, I'm building a consumer app rewrite in Compose Multiplatform, with shared UI and business logic across Android and iOS. I also implement features in the Kotlin Multiplatform SDK behind it, across backends inherited from FCA and PSA.

At Mercado Libre, I built application-management libraries governing updates across 4.7 million payment terminals, and contributed to breaking the monolithic SmartPOS app into HAL microservices. Earlier, I planned and built Onboard Electronics' Infofleet platform in Kotlin Multiplatform and Compose Multiplatform, and at Banco Inter I contributed to services used by 15M+ enterprise customers and a statement feature used by 30M+ users.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Stellantis

Jul 2026 - Present (4 months)

Building the consumer app rewrite in Compose Multiplatform with shared UI and business logic across Android and iOS. Implementing features in the Kotlin Multiplatform SDK across backends inherited from legacy brands.

Kotlin Multiplatform Compose Multiplatform Android iOS Backend Integrations

Software Developer

Mercado Libre

Sep 2024 - Jul 2026 (1 year 10 months)

Built application-management libraries governing updates across 4.7 million payment terminals. Part of the team that broke the monolithic SmartPOS app into HAL microservices with IPC, and used Layout Inspector to optimize Compose UI performance.

Android Kotlin Java Jetpack Compose HAL IPC Layout Inspector Code Review Mentorship N8n Claude Code

Mobile Developer

Onboard Electronics

Nov 2023 - Sep 2024 (10 months)

Planned and built Infofleet, a mobile management platform for construction and agribusiness clients, end to end in Kotlin Multiplatform and Compose Multiplatform, published to Google Play. Implemented FCM push notifications end to end and built a Bluetooth device configurator.

Kotlin Multiplatform Compose Multiplatform FCM Push Notifications Bluetooth Crashlytics Analytics Remote Config Mentorship .NET Vue.Js

Android Developer

Banco Inter

Nov 2021 - Nov 2023 (2 years)

Co-led business-targeted services used by 15M+ enterprise customers, built in Jetpack Compose. Part of a full refactor and redesign of the account statement feature used by 30M+ users, and modernized legacy Java Android codebases.