Hi, I’m Mauricio Guzman, a Senior Android Developer based in Guayaquil, Ecuador. I have 8+ years of experience building robust Android applications with Kotlin and Java, and I also work with Swift, Java EE, Angular, and PHP. I’m focused on delivering secure, scalable solutions and enjoy shaping architecture with modern patterns like MVVM and Clean Architecture. I thrive in agile, multidisciplinary teams and continuously seek innovative ways to solve problems. I’ve owned two businesses for three years and won my university’s entrepreneur challenge. I’m passionate about innovation, learning, and collaborating with diverse teams to bring great products to life.…

Mauricio Guzman

PRO

Hi, I’m Mauricio Guzman, a Senior Android Developer based in Guayaquil, Ecuador. I have 8+ years of experience building robust Android applications with Kotlin and Java, and I also work with Swift, Java EE, Angular, and PHP. I’m focused on delivering secure, scalable solutions and enjoy shaping architecture with modern patterns like MVVM and Clean Architecture. I thrive in agile, multidisciplinary teams and continuously seek innovative ways to solve problems. I’ve owned two businesses for three years and won my university’s entrepreneur challenge. I’m passionate about innovation, learning, and collaborating with diverse teams to bring great products to life.…

Available to hire

Hi, I’m Mauricio Guzman, a Senior Android Developer based in Guayaquil, Ecuador. I have 8+ years of experience building robust Android applications with Kotlin and Java, and I also work with Swift, Java EE, Angular, and PHP. I’m focused on delivering secure, scalable solutions and enjoy shaping architecture with modern patterns like MVVM and Clean Architecture. I thrive in agile, multidisciplinary teams and continuously seek innovative ways to solve problems.

I’ve owned two businesses for three years and won my university’s entrepreneur challenge. I’m passionate about innovation, learning, and collaborating with diverse teams to bring great products to life.

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Skills

Experience Level

Kotlin
Expert
Android
Expert
Swift
Expert
SQL
Expert
GraphQL
Expert
PostgreSQL
Expert
MySQL
Expert
Java
Expert
TypeScript
Expert
JavaScript
Expert
Kubernetes
Expert
AngularJS
Expert
PHP
Expert
iOS
Expert
HTML5
Expert
Groovy
Expert
Docker
Expert
CSS
Expert
API
Expert
Jira
Intermediate
Spring
Intermediate
SQLite
Intermediate
MongoDB
Intermediate
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Language

Spanish; Castilian
Fluent
English
Advanced

Work Experience

Android Developer Sr. at Iguana Solutions
October 14, 2024 - Present
Customer fraud was reduced by 30% by integrating the VU Security biometric security model into our client's Banco del Pacífico Android mobile banking app. Tech Stack: Kotlin, MVVM, LiveData, Data Binding, Coroutines, Jetpack Compose, Dagger Hilt, Unit Testing.
Android Developer, SSr. Adv. at Globant
May 9, 2022 - February 23, 2024
Reduced customer calls to Customer Service by 70% through the development of the Commercial Cards self-service module (Credit and Debit Cards) in the Banco Hipotecario app for an Argentine client. Tech Stack: Kotlin, MVVM, Live Data, Data Binding, Coroutines, Jetpack Compose, Dagger Hilt, Mockito 2 (Unit Testing).
Mobile Developer at Pinlet S.A.
July 8, 2019 - January 29, 2021
A company's productivity improved by 30% by implementing the iOS app I developed for clocking in and out of remote workers, complete with photos and GPS. Reducing the response time of private security guards to neighborhood residents by 40% by creating an Android app that implemented online chat between users and the development's management. Tech Stack: Kotlin, MVP, MVVM, LiveData, Data Binding, Jetpack Compose, ViewModel, Coroutines, Dagger, iOS(Swift), Storyboards, Git, Angular 9, Typescript, Slim(PHP), MySQL, Mockito, GraphQL.
Front-End Developer at Global Hits S.A.
June 4, 2018 - February 22, 2019
Reduction of sales order processing time by 80% at Claro's IDCs, creating a search platform with filters integrated with third-party APIs and data sorted by relevance powered by third-party libraries. Tech Stack: PrimeNG, Angular 6, TypeScript, CSS 3, HTML, Bootstrap, Git.
Full Stack Developer at NovaTechnology S.A.
June 5, 2016 - May 18, 2017
Develop the billing module for the automation of the accounting seat process from an insurance company with a reduction of 20% of administrative documentation time.. Tech Stack: Laravel, XAMP, MySQL, AngularJS, HTML, CSS, Git.
Java Developer at Origami Solutions
February 9, 2015 - December 25, 2015
Participated in the ERP implementation by developing the cadastral module for Samborondon City Hall. Automated data flow of production processes, integrated legacy systems into the ERP, and helped meet project deadlines. Tech Stack: PostgreSQL, GlassFish, TomEE, JTA, Hibernate, JPA, EJB, JSF, PrimeFaces.
Senior Android Developer at Guana Solutions
October 1, 2024 - November 17, 2025
Implemented biometric security integration (VU biometrics) and AppGate OTP generation for Pacific Bank's Android app, significantly reducing fraud. Tech stack: Kotlin, MVVM, LiveData, Data Binding, Coroutines, Jetpack Compose, Dagger Hilt, Unit Testing.
Senior Android Developer at Globant
February 1, 2024 - February 1, 2024
Reduced customer service calls by 70% by developing a Commercial Card self-service module for Hipotecario Bank's app. Tech stack: Kotlin, MVVM, LiveData, Data Binding, Coroutines, Jetpack Compose, Dagger Hilt, Unit Testing.
Senior Android Developer at Advanced POS Solutions
March 1, 2022 - March 1, 2022
Reduced order processing time for selling food dishes by 70% by developing POS modules that managed and controlled restaurant operations. Tech stack: Kotlin, MVVM, LiveData, Data Binding, GraphQL, Dagger, Mockito (Unit Testing).
Mobile Developer at Pinlet S.A.
January 1, 2021 - January 1, 2021
Reduced neighborhood administration response time by 70% by creating an iOS app module that implemented a registry of guests and events for neighborhood administration. Tech stack: Kotlin, Java, MVP/MVVM, LiveData, Data Binding, Jetpack, Git, Android Studio.
Java Developer at Origami Solutions
December 1, 2015 - December 1, 2015
Participated in ERP implementation by developing the cadastral module for Samborondon City Hall; automated data flows and integration of legacy systems to ERP, meeting deadlines.
Android Developer Sr. at Globant
May 1, 2022 - February 1, 2024
Development of a self-service module for managing business cards (Credit and Debit), reducing customer calls to Customer Service by 70% in Hipotecario Bank's Android app; app with 1M+ downloads.
Android Developer Sr. at Advanced POS Solutions
March 1, 2021 - March 1, 2022
Development or improvement of modules such as Menu, Kitchen, and Billing in the Android POS system, reducing the time of sale of food dishes by 70%.
Android Developer at Pinlet S.A.
July 1, 2019 - January 1, 2021
Development of a module that automated the process of registering Guests and Events with neighborhood administration, reducing response time by 70%; developed an online chat between residents and neighborhood administration, reducing response time of private security guards by 40%.
Java EE Developer at Origami Solutions
November 1, 2014 - December 1, 2015
Development of the Cadastral module for the Samborondon City Hall ERP, reducing data collection time by 85% and integrating legacy systems into the ERP.

Education

Bachelor of Computer Science at ESPOL (Escuela Superior Politécnica del Litoral)
May 1, 2003 - November 1, 2010
Bachelor of Computer Science at ESPOL
May 1, 2003 - November 1, 2010
Computer Science Engineering at ESPOL
November 1, 2010 - December 30, 2025
Computer Science Engineering at ESPOL
November 1, 2010 - December 30, 2025

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Professional Services, Media & Entertainment, Government, Retail
    uniE621 Pinlet iOS App
    Designed and developed an iOS app module in Swift 5 using Storyboards to streamline guest and event registration workflows. Implemented MVC architecture and reusable UI components for consistency and maintainability. Integrated secure API communication for data synchronization between users and the administration system. Implemented asynchronous event handling to ensure smooth UI interactions and message delivery. Integrated push notifications and optimized data flow for real-time updates and alerts. Conducted unit testing and participated in code reviews to ensure reliability and maintainability.…
    uniE621 Villanova Android App
    Designed and developed the chat screen enabling neighborhood residents to contact inmediatelly to the private guards and urbanization administration. Implemented MVP architecture, LiveData, and Kotlin Coroutines to improve scalability, performance, and responsiveness. Integrated RESTful APIs for secure transactions and card data synchronization. Conducted unit testing and participated in code reviews to ensure reliability and maintainability.…
    uniE621 Pinlet Android App
    Designed and developed an Android app using Java, MVC architecture, and RxJava to enable real-time chat between residents and security teams. Implemented asynchronous event handling and View Binding to ensure smooth UI interactions and message delivery. Integrated push notifications and optimized data flow for real-time updates and alerts. Collaborated with backend developers to define secure communication endpoints and authentication logic. Conducted unit testing and participated in code reviews to ensure reliability and maintainability.…
    uniE621 Mobile POS (Android)
    Designed and developed multiple Android POS modules to manage table-side ordering, real-time kitchen communication, and mobile payment processing. Implemented RESTful API integrations for order synchronization, billing, and secure transaction processing. Built custom UI components using XML, Jepack Navigation, and Material Design for an intuitive and fast user experience. Optimized workflows using Kotlin Coroutines to improve responsiveness and reduce latency in order transmission. Collaborated with backend and QA teams to ensure stable operation across various Android devices in high-traffic environments.…
    uniE621 Hipotecario Bank Android App
    Designed and developed the Commercial Card Self-Service Module for credit and debit cards, enabling users to manage their cards directly from the Android app. Implemented MVP architecture with Jetpack Compose, LiveData, and Kotlin Coroutines to improve scalability, performance, and responsiveness. Integrated RESTful APIs for secure transactions and card data synchronization. Conducted unit testing using Mockito 2 and participated in code reviews to ensure reliability and maintainability. Collaborated with product, QA, and UX teams under Agile methodology to deliver new features efficiently.…
    uniE621 Pacific Bank Android App
    Integrated biometric authentication (VU Security) and OTP code generation (AppGate) modules to enhance account protection and prevent fraud. Implemented asynchronous operations using Kotlin Coroutines and LiveData, optimizing performance and ensuring a smooth user experience even under high transaction loads. Refactored legacy code to a modern MVVM architecture with Jetpack Compose and Data Binding, improving maintainability and UI responsiveness. Developed unit tests and automated CI/CD pipelines to ensure code quality, fast deployment, and reliability at scale. Collaborated with cross-functional teams (backend, QA, UI/UX) to deliver secure and high-performing app updates aligned with business goals.…