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    Leandro Pérez

    Senior Mobile & Web Developer

    Fortaleza, Ceará — Brazil
    SonhoLab Founder35+ Published Apps10+ CountriesFull-Stack & Mobile

    Building Latin America's digital future, on

    10+
    years of experience
    35+
    projects completed
    30+
    satisfied clients

    Venezuelan senior developer based in Brazil with 10+ years of experience and 35+ published apps on Android & iOS. Specialized in POS systems, transport apps, blockchain solutions, and artificial intelligence. Founder of SonhoLab, leading technical teams on high-impact projects with thousands of active users across 10+ countries in the Americas and Europe.

    // Clean code, real solutions, global impact

    Tech Stack

    Skills

    Frontend

    ReactNext.jsTypeScriptTailwind CSSVue.jsAngular

    Backend

    Node.jsExpressNestJSPythonPHPLaravel

    Native & Cross-Platform Mobile

    SwiftKotlinJavaReact NativeFlutterBluetooth/BLE

    Databases

    PostgreSQLMySQLMongoDBRedisFirebase

    DevOps & Cloud

    DockerAWSNginxLinuxCI/CDGit

    Blockchain & AI

    SolidityWeb3.jsSmart ContractsOpenAI APIClaude APILangChain
    ReactNext.jsTypeScriptTailwind CSSVue.jsAngularNode.jsExpressNestJSPythonPHPLaravelSwiftKotlinJavaReact NativeFlutterBluetooth/BLEPostgreSQLMySQLMongoDBRedisFirebaseDockerAWSNginxLinuxCI/CDGitSolidityWeb3.jsSmart ContractsOpenAI APIClaude APILangChainReactNext.jsTypeScriptTailwind CSSVue.jsAngularNode.jsExpressNestJSPythonPHPLaravelSwiftKotlinJavaReact NativeFlutterBluetooth/BLEPostgreSQLMySQLMongoDBRedisFirebaseDockerAWSNginxLinuxCI/CDGitSolidityWeb3.jsSmart ContractsOpenAI APIClaude APILangChain
    Experience

    Experience

    2021 — Present

    Founder & Lead Developer

    SonhoLab

    Technical and strategic leadership. Development of web platforms, mobile apps, AI systems, and automation for clients across Latin America, Europe, and USA.

    Feb 2024 — Apr 2025

    Android Developer

    Inteligensa

    Mobile application development for POS devices in the financial sector. Payment integration and specialized hardware.

    Jan 2024 — Jun 2024

    iOS Developer

    Efiempresa

    iOS apps with biometrics (Face ID, Touch ID), document scanners, translation, and virtual reality. Swift, Firebase, REST API.

    Sept 2022 — Sept 2024

    Programming Instructor

    EUD Academy

    Full Stack Instructor: Java, Kotlin, Swift, PHP, JavaScript, React, Angular, Flutter, Android, iOS, and development methodologies.

    Nov 2021 — Apr 2022

    Android Developer

    Yummy (YC S21)

    Development, maintenance, and updates for the Yummy super-app. Bug fixes and incident resolution. Java, Kotlin, REST API.

    Jan 2022 — Mar 2022

    Blockchain Developer

    Toxic NFT

    NFT video game development with custom token creation and personal wallet. Solidity, Node.js, C#, Unreal Engine.

    Jan 2019 — Oct 2019

    Senior iOS Developer

    WonderChatt

    Native iOS app with instant messaging, QR scanning, voice calls, video calls, and marketplace. Swift.

    Featured Projects

    Featured Projects

    01

    Hades Memorial AI

    SonhoLab's flagship project. AI-powered app that lets users have conversations with deceased loved ones. Users upload photos, anecdotes, phrases, and recipes; the AI generates authentic dialogues reflecting the person's personality and culture. Features animated avatars with real-time expressions. 4.8 stars, 1,250 reviews. Free on Android, coming soon to iOS.

    AIFlutterOpenAI APIFirebaseAndroid
    02

    Aeris — 24/7 AI Assistant

    Complete artificial intelligence system managing WhatsApp, emails, support tickets, server monitoring, and business automation.

    Node.jsOpenAIWhatsApp APIPostgreSQL
    03

    Yummy SuperApp

    Y Combinator-backed (S21) transport and delivery super-app. Multi-service platform with ride-sharing, food delivery, and real-time tracking for millions of users.

    KotlinJavaREST APIGoogle Maps
    04

    BringIt

    Delivery and logistics app with real-time tracking, order management, and integrated payment system across multiple cities.

    MobileNode.jsGoogle MapsPayments
    05

    Inteligensa — Mobile POS

    Android application suite for point-of-sale devices in the financial sector. Hardware integration, payments, and transaction processing.

    KotlinAndroidBluetooth/BLEPOS
    06

    Efiempresa — iOS Apps

    Enterprise iOS apps with advanced biometrics (Face ID, Touch ID), document scanning, real-time translation, and virtual reality.

    SwiftFirebaseBiometricsAR/VR
    07

    Toxic NFT — Blockchain Game

    NFT video game with custom token, personal wallet, and digital asset marketplace on the Ethereum blockchain.

    SolidityWeb3.jsUnreal EngineC#
    08

    WonderChatt

    iOS instant messaging app with voice calls, video calls, QR scanning, and integrated marketplace.

    SwiftWebRTCiOSMarketplace
    09

    Brits — Transport App

    Collaborative transport mobile app with real-time tracking, integrated payment system, and advanced geolocation.

    FlutterNode.jsGoogle MapsStripe
    10

    SonhoLab Platform

    Multilingual enterprise web platform with ticket system, blog, dynamic portfolio, and admin panel.

    ReactViteTailwindi18n
    11

    SonhoLab Shop E-Commerce

    Complete online store with product catalog, shopping cart, payment gateway, and inventory management.

    LaravelPHPMySQL6Valley

    Education

    2012 — 2014

    Bachelor's in Physical Activity and Health

    Universidad del Deporte del Sur

    University education in Venezuela.

    2009 — 2012

    Technical Degree in Computer Science

    Escuela Técnica Francisco Fajardo

    Technical training in computer science and programming.

    2016 — Present

    Software Engineering

    Self-taught & Certifications

    Continuous training in web development, mobile, blockchain, cloud computing, and artificial intelligence.

    Languages

    Spanish
    Native
    Portuguese
    Upper-Intermediate
    English
    B2 Professional

    Contact me

    Building Latin America's digital future, one line of code at a time.

    Contact me