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Manuel Lucas SánchezML

Manuel Lucas Sánchez

Android Software Developer

€400/day
Madrid, ES
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Manuel

Senior Android engineer with over 5 years of experience developing production applications for multinational banking (BBVA in 5 countries, Santander Belgium, RCI Renault Bank), retail enterprise (Inditex), and fintech on Android payment terminals (PAYTEF A920). Expert in Kotlin, Jetpack Compose, MVI, Clean Architecture, and multi-module projects. Native proficiency in Kotlin Multiplatform for sharing logic between Android, iOS, Desktop, and Web from a single codebase. Backend with Ktor 3 and PostgreSQL. CI/CD with GitHub Actions and SonarQube. Co-founder of NeoGenesis Development, a scientific SaaS platform in pilot phase with the CSIC. 100% remote work. Available for native Android development, KMP, and mobile architecture projects.
  • Spanish

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Sngular Spain
    Android Developer
    BANKING AND INSURANCE
    May 2025 - Today (1 year and 1 month)
    Madrid, Spain
    Android developer for BBVA in various group apps.

    Highlights include the use of technologies such as Jetpack Compose, Koin, Dagger-Hilt, MVVM, Ktor
    and Retrofit, as well as the implementation of plugins like Kotlin Multiplatform.

    Technologies used: Kotlin, Bitbucket, JIRA, Git, Jetpack Compose, Kotlin Multiplatform.
    Kotlin Jetpack Compose Android Studio Kotlin Multiplatform Kotlin Coroutines
  • ZETES MULTICOM,S.A.
    Android Developer
    CONSULTING AND AUDITS
    January 2025 - April 2025 (3 months)
    Madrid, Spain
    Development of a Jetpack Compose library in a multi-module application for an external transportation app.

    Highlights include the use of technologies such as Jetpack Compose, Koin, MVVM, or Ktor.
    Jetpack Compose Kotlin Git Kotlin Coroutines Kotlin Multiplatform
  • PAYTEF
    Android Developer
    May 2023 - October 2024 (1 year and 5 months)
    Madrid, Spain
    Development of applications that act as contactless payment gateways for A920 devices. Development is done in Kotlin, implemented from scratch. Highlights include the use of different development APIs such as OpenApiTools, or UI layer development libraries like Jetpack Compose. All developed apps feature MVVM architecture, with dependency injection using Dagger/Hilt, and REST API connection via Retrofit. Development focuses on implementing new apps from scratch, agreeing on different plugins to use (Dagger, Jetpack Compose...) with the managers, acting as both developer and Android analyst. Examples of applications where the PAYTEF app has been implemented as a payment gateway include "HioPos", an application oriented towards restaurant services, or PayAtTable, an application that facilitates payment in restaurant services by the customer, using PAYTEF as the payment gateway. Another notable project is the Cepsa group application, for making payments on A920 terminals, which incorporates local storage with the Room library in addition to the common plugins for the rest of the projects (Dagger, Jetpack Compose, MVVM, Coil, Retrofit...). Some CI/CD tools used are Slack and various GitHub tools.
    Jetpack Compose Android Studio Kotlin Coroutines Kotlin

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Education

  • Development of Cross-Platform Applications, Computer Science
    Everis School
    2021
    Desarrollo de aplicaciones Multiplataforma, Informática
  • Diploma in Clinical Bioinformatics, Computer Science
    Universitat de València
    2019
    Diploma en Bioinformática Clínica, Informática

Skill set

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