Elias J. Marrero Ruiz
LinkedIn • Portfolio •-• -
Skills
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C++ | C# | React | JavaScript | Flutter/Dart | UE4 & 5 | Firebase | SQL | NoSQL | Git | OOP |
Full-Stack | Spanish – Native Fluency
Work Experience
Software Developer
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Software Developer
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Acumenian - Guaynabo, PR
Apr 2021 - Dec 2021
Developed and updated two mobile apps for Android and iOS by utilizing Dart and Flutter with C++ expertise; the
apps enabled real-time monitoring and control of buildings’ access to prevent health hazards, resulting in a 75%
reduction in health risks.
Implemented APIs, NFCs, and QR Codes with the building management system to establish a zero-contact
registration, which significantly reduced entrance tasks for clients and colleagues.
Collaborated effectively to ensure flawless utilization of the APIs by managing requests, troubleshooting, and
developing solutions, which resulted in a 30% decrease in API-related issues.
Conducted comprehensive training sessions for over fifty colleagues, which significantly minimized user errors and
led to a 95% user satisfaction score.
Personal - San Juan, PR
Jan 2022 - Oct 2023
Developed a game for VR consoles, serving as a lite social media platform, using Unreal Engine 5, the game enabled
users to connect in an immersive 1-to-1 space.
Implemented user authentication and multiplayer functionality through Epic Online Services, enabling seamless
signing up, logging in, and real-time player interactions.
Implemented a user information database using Firebase to ensure consistent and quick data management.
Developed immersive game levels to heighten user experience and retention, and incorporated a question
projector to foster more user interactions within the game.
Implemented some ideal hand animations and also an SDK for users to create their own avatars, enhancing
personalization and user expression within the game.
Constructed all the user interface elements (UMGs) to deliver simple interactivity, this includes menus and in-game
interface graphics.
Education
Bachelor of Science
Polytechnic University of Puerto Rico
San Juan, PR
Major in Computer Science, GPA: 3.7
The Complete Flutter Development Bootcamp with Dart
Udemy
Flutter & Dart Development
Unreal Engine 5 C++ Developer by GameDev.tv Team
Udemy
Unreal Engine 4 & 5 Development
Projects (available in my Portfolio which is linked above)
University
Capstone (React.js WebApp) – Covid-19 Data Visualization & Analysis
• Created and deployed a web application that utilized an API to access and aggregate global COVID-19 case data.
• Accomplished engaging visualizations of pandemic statistics with JavaScript, API consumption and JSON parsing.
Courses
Weather App (Flutter App) – Course: Flutter Development with Dart
• Developed a mobile application that leverages APIs to provide users with real-time weather information based on
their current geolocation in a very clean and user-friendly way.
• Utilized Dart and Flutter, a weather API, and location-based methods to ensure efficient and accurate data retrieval.
