Jesús Daniel Medina Cruz

Experience

• Feb / 2024 - Present

  Android Developer @ Academia Desde0

  Tijuana, Baja California, Mexico - On site

  Summary:

  • Desde0 Academy is an innovative platform dedicated to empowering individuals to kickstart their careers in software development. We focus on delivering high-quality, hands-on training in mobile and web development, designed for students of all levels, from beginners to advanced developers. Our curriculum covers modern programming languages, frameworks, and development practices for web, mobile, desktop and server development.

  Responsibilities:

  • Developed the curriculum for all the courses

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  • JavaScript
  • Web Development
  • MySQL
  • Next.js
  • Node.js
  • React.js
  • React Native
  • Expo
  • Kotlin
  • Kotlin Multiplatform
  • Compose Multiplatform
• Oct / 2024 - Nov / 2024

  Kotlin Instructor @ arol.dev

  Remote - Remote

  Summary:

  • Developed comprehensive curriculum for Kotlin Course

  Responsibilities:

  • Advanced Kotlin
  • Testing with Kotlin
  • BDD, TDD and Best practices
  • Gradle and Kotlin DSL
  • Kotlin Coroutines
  • Flow and StateFlow
  • Testing Coroutines

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  • Kotlin
  • Coroutines
  • Functional Programming
• Mar / 2021 - Feb / 2024

  Mobile Software Consultant @ Freelance

  Remote - Remote

  Summary:

  • During this period, I worked as a Mobile Software Consultant, combining my leadership role at Bubble with consulting across various companies. My focus was on mobile development using Kotlin Multiplatform (KMP) to create cross-platform experiences. This period emphasized my leadership, expertise in KMP, and the ability to drive innovation in mobile solutions.

  Responsibilities:

  • Founder & CEO, Bubble (2024 - Present): Led the development of a smartphone addiction management app, using AI-powered chats and Firebase Remote Config to personalize experiences and optimize updates. I oversaw A/B testing and feature rollouts to boost user engagement and retention.
  • Mobile Software Engineer, Beek.io (2022 - 2023): Developed a new audio player using Kotlin Multiplatform, SwiftUI, and Jetpack Compose. Implemented automated CI/CD pipelines with CircleCI and Fastlane, streamlining the development and deployment process.
  • Android Mobile Developer, Globant (2022): Analyzed projects written in Kotlin and Java, focusing on serverless, GraphQL, and RESTful APIs. Created detailed documentation and identified code improvement opportunities.
  • Android Engineer, Bitso (2021 - 2022): Integrated CleverTap using KMP, unifying codebases for Android and iOS. Streamlined development and reduced maintenance overhead while focusing on user acquisition strategies.
  • Senior Software Engineer Mobile, Dexcom (2021): Enhanced functionality and code quality for internal mobile apps. Introduced unit tests for Kotlin and Java SDKs, improving code coverage and stability.

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  • Android
  • iOS
  • Kotlin Multiplatform
  • Jetpack Compose
  • SwiftUI
  • Kotlin
  • Java
  • Kotlin Coroutines
• Nov / 2023 - Dec / 2023

  Kotlin Multiplatform Instructor @ arol.dev

  Remote - Remote

  Summary:

  • Developed comprehensive curriculum for Kotlin Multiplatform Course

  Responsibilities:

  • Kotlin Multiplatform for Android, iOS, Web, Desktop and Server
  • Clean Architecture on KMP.
  • Testing on KMP.
  • Compose Multiplatform.
  • How to introduce your teammates/company to use KMP.
  • Collaborated with Arol.dev team to refine course content including proposing subject list changes.
  • Created engaging learning materials
  • Articles.
  • Live sessions.
  • Codelabs.
  • Videos

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  • Kotlin
  • Kotlin Multiplatform
  • Compose Multiplatform
  • Swift (Programming Language)
  • SwiftUI
• Nov / 2019 - Mar / 2021

  Software Engineer @ Insulet Corporation

  Tijuana, Baja California, Mexico - On site

  Summary:

  • Spearheaded the development of the VIEW app, empowering caregivers to monitor the health of individuals with diabetes.

  Responsibilities:

  • Led the creation of the VIEW app from scratch, enabling caregivers to remotely monitor the health status of individuals with diabetes.
  • Championed modern development practices, including Java and Kotlin for app development, unit testing, TDD (Test Driven Development), Room for data persistence, Clean Architecture, and DDD (Domain Driven Development).
  • Successfully developed and launched the VIEW app for Android.
  • Pioneered the transition from Java to Kotlin within the company, paving the way for a more modern development approach.
  • Successfully implemented TDD, setting a precedent for effective and efficient development practices.
  • Mentored junior engineers and trainees, fostering their growth and expertise.
  • Introduced KMP (Kotlin Multiplatform) as the first engineer within the company, successfully convincing management and the team to adopt it for the development of the CGM (Continuous Glucose Monitor) Graph, a critical component used across multiple Android and iOS applications.

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  • Android
  • iOS
  • Kotlin Multiplatform
  • Kotlin
  • Java
• Apr / 2019 - Nov / 2019

  Full Stack Developer @ ArkusNexus

  Tijuana, Baja California, Mexico - On site

  Summary:

  • Developed the Simplicity app, a cutting-edge Android solution for auto insurance usage-based billing. Empowered seniors to preserve memories and connect with loved ones through Rosy, an intelligent assistant for scanning and storytelling.

  Responsibilities:

  • Crafted the Simplicity app from the ground up, leveraging Android technologies to enable users to track their car usage and receive personalized insurance pricing.
  • Harnessing the power of Bluetooth, the app seamlessly connects to the user's vehicle, accurately capturing location data and calculating driving distances.
  • Utilized a robust tech stack, including Java for app development, XML for UI design, the native Bluetooth system, Room for data persistence, and Retrofit as an HTTP client.
  • Contributed to the development of Rosy, an innovative assistant that enables seniors to easily scan and store physical documents and photos, transforming them into cherished digital memories.
  • Leveraged Java expertise to resolve native system bugs, ensuring a seamless user experience.
  • Expanded Rosy's capabilities by implementing new functionalities using React Native, JavaScript, and JSX, empowering users to create and share stories associated with their scanned items.
  • Introduced voice-activated calling functionality utilizing text-to-speech technology, enabling hands-free communication and enhancing accessibility for seniors.

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  • Java
  • Android
  • JavaScript
  • React Native
• Jun / 2014 - Jun / 2017

  Native Android Developer @ Compus Sistemas Express

  Tijuana, Baja California, Mexico - On site

  Summary:

  • Spearheaded the digital transformation of a company's internal systems, streamlining operations and enhancing efficiency through a suite of Android applications

  Responsibilities:

  • Led the development of multiple Android apps to replace legacy systems, including:
  • A streamlined process for purchasing used cars.
  • An efficient system for managing material inflow and outflow.
  • A collaborative network for branch managers to communicate and assist customers in locating used parts across branches.
  • Leveraged Java and XML to craft user-friendly and robust Android applications.
  • Architected and implemented a backend system utilizing vanilla PHP to generate JSONs consumed by the mobile apps.
  • Employed MySQL and DBase as the primary database solutions.
  • Developed SDKs to facilitate seamless REST API consumption from Android devices.
  • Implemented various backend algorithms, including PDF and XML generation, enhancing system functionality.

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  • Android
  • Java
  • PHP
  • MySQL
  • XML
  • DBase