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Alfredo C.AC

Alfredo C.

Android Developer and Kotlin Multiplatform

€270/day
Buenos Aires, AR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Alfredo

Specialized developer in Kotlin and Kotlin Multiplatform (KMP), with almost 6 years of experience building applications for Android (phones, tablets, foldables), desktop, and web.

I started in 2020 with freelance projects for weather apps, stores, and utilities, where I laid the foundation for clean architecture and best practices. Between 2022 and 2024, I was part of Bluehackers LLC, where I contributed to the development of Roalytics, an Android application for real-time marketing campaign tracking and analysis, working with Jetpack Compose, Firebase, WorkManager, and Scrum methodology in a professional team.

Since 2024, I have independently led the development of Dr. Recipe, a cross-platform SaaS platform for healthcare professionals: generation of clinical documents with digital signatures, QR validation for pharmacies, medical credential verification, and subscriptions with Google Play Billing. A complete Android, desktop, and web ecosystem built in KMP with Compose HTML and Tailwind CSS.

I am not a generalist: I work exclusively with Kotlin and Compose, which allows me to deliver maintainable, scalable code aligned with current ecosystem practices. My approach always combines technical quality with product vision.

If you are looking for a developer who understands the business, works autonomously, and delivers real results, let's talk.
  • Spanish

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • DrRecipe
    Kotlin Multiplatform
    MEDICAL
    January 2024 - Today (2 years and 7 months)
    Buenos Aires, Argentina
    Responsible for the architecture and development of a cross-platform SaaS ecosystem for secure clinical documentation generation, professional validation, and subscription management. Multiplatform Strategy (KMP): Developed a unified ecosystem using Kotlin Multiplatform, sharing business logic across Android (mobile/tablets/foldables), desktop, and web. Engineering Excellence: Implemented Clean Architecture + MVVM/MVI, ensuring a highly scalable and maintainable codebase. Web and Security Infrastructure: Developed the web platform with Compose HTML and Tailwind CSS. Implemented a QR code document validator critical for pharmacies, enabling instant authenticity verification.
    Kotlin Multiplatform MVVM Jetpack Compose GitHub SQL
  • BlueHackers LLC
    Sr Android Developer
    SOCIAL NETWORKS
    February 2022 - December 2024 (2 years and 10 months)
    Caracas, Venezuela
    Part of the development team and software lifecycle of Roalytics, a native mobile application focused on real-time marketing campaign analysis and metrics.

    Key Responsibilities and Achievements:

    Design and development of interactive, dynamic, and fluid user interfaces using Jetpack Compose under Material Design 3 guidelines.

    Implementation and maintenance of a scalable architecture based on MVVM and Clean Architecture patterns, applying code modularization techniques.

    Integration of advanced geolocation, tracking, and background processing services using WorkManager and Kotlin Coroutines.

    Management of offline data synchronization and persistence using the Firebase ecosystem (Auth, Firestore, Storage), combining local storage with Room and DataStore.

    Participation in improving product quality through a strong focus on technical analysis and agile methodologies (Scrum / Git).
    Kotlin Jetpack Compose GitHub Firebase SQL

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Education

  • Technician in Programming
    Universidad Tecnologica Nacional
    2024
    Conocimientos básicos hasta profesional en el desarrollo de software, lenguajes como Python, Java, BD relacionales y no relaciones, Arquitectura de software, estadísticas y probabilidades, diagramas UML y matemática aplicada a la programación.
  • Web Programming
    Platzi
    2024
    Programación Web

Skill set

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