Matthew Flores
Denton,TX
Summary
iOS developer with experience building high-performance, user-focused mobile applications using Swift, SwiftUI, and Objective-C. Skilled in developing native iOS features such as custom widgets, secure authentication (Face ID, Touch ID), and responsive UI components. Applies rigorous computational thinking rooted in mathematics and astrophysics to build scalable, user-centric mobile applications.
Overview
4
4
years of professional experience
1
1
Certification
Work History
Mobile Developer IV
Ally Financial / Contract via Optomi
Remote
03.2022 - Current
Auto Team
- Built and shipped new UI features in Swift and UIKit, including a Documents view that enabled users to access billing statements, contracts, and account documents directly within the Ally Auto app, contributing to a 10% increase in positive App Store feedback over eight months.
- Contributed to sunsetting the standalone Auto app by migrating key features into the core Ally Bank app, unifying the mobile experience and helping transition 1M+ users.
Core Platform Team
- Integrated new SDKs (analytics, crash reporting) to improve observability and help product teams make data-driven decisions.
- Refactored legacy architecture into MVVM to support scalability as the app grew in complexity and cross-team dependency, helping to streamline CI/CD processes and reduce build times by 40%.
Login & Identity Team
- Resolved bugs and optimized login flows to reduce sign-in friction and improve reliability, contributing to a 0.02% reduction in crash rate across millions of sessions.
- Contributed to the React Native migration to unify login experiences across mobile platforms, and reduce long-term maintenance costs.
Senior iOS Developer
Rave Business Systems LLC
Philadelphia, Pennsylvania
12.2021 - 03.2022
- Developed mobile applications using Swift and Objective-C for client-facing projects, enabling businesses to deliver native mobile experiences tailored to their specific needs and branding.
- Managed the full iOS app lifecycle, including App Store submission and review process, to ensure timely approvals and smooth client launches, in compliance with Apple guidelines.
Education
Bachelor of Science - Mathematics With Concentration in Computer Science
University of North Texas
Denton, TX12-2026
Bachelor of Science - Astrophysics
University of North Texas
Denton, TX05-2026
Associate of Science - Mathematics
Tarrant County College
Fort Worth, TX05-2024
Skills
Languages
- Proficient - Objective-C, Python, TypeScript, C, Javascript
- Expert - Swift
Frameworks and libraries
- SwiftUI, UIKit, Combine, WidgetKit
- React Native
- Core Data, AVFoundation, Alamofire
- XCTest
Developer tools
- Xcode, Instruments, Git, and TestFlight
- Firebase, Postman
- Figma, InVision
APIs & Backend Integration
- RESTful APIs, JSON parsing, URLSession
- Authentication: OAuth, JWT, biometric login (Face ID, Touch ID)
DevOps & CI/CD
- GitHub Actions, Bitrise
- Managing provisioning profiles & certificates
Accessibility
- Dynamic Type, VoiceOver, WCAG
- Localizablestrings
Testing
- XCTests, UI Testing
- JEST
- Swift Testing (iOS 16)
Cross-Platform
- React Native bridging (Swift ↔ JavaScript)
- Native Module development
Certification
Associate Certificate – Front-End Web Development
Kenzie Academy · Issued November 2021
Projects
Sales Forecasting & Data Analysis
Technologies: Python, pandas, NumPy, seaborn, matplotlib, scikit-learn
Built a machine learning model to forecast retail sales using Python (pandas, NumPy, seaborn, scikit-learn). Performed EDA, handled missing data, and visualized trends to support data-driven decision-making. Strengthened skills in modeling, data wrangling, and collaborative analysis.
Kenzie Academy Capstone – Jeopardy Game Web App
Technologies: JavaScript, HTML, CSS, Fetch API, DOM Manipulation
Built a single-page web app using JavaScript, HTML, and CSS that fetches trivia clues from the JService API and evaluates user responses. Designed game logic to track correct answers, reset on failure, and dynamically render unique clues.
iOS Weather Widget – Temperature & Forecast
Technologies: Swift, SwiftUI, WidgetKit, URLSession, JSON, OpenWeather API
Developed a home screen widget using WidgetKit that displays real-time temperature and a short-term weather forecast. Integrated with the OpenWeather API using URLSession to fetch and parse JSON data. Designed small and medium widget layouts using SwiftUI, and implemented timeline entries to update periodically with fresh data.
Timeline
Mobile Developer IV
Ally Financial / Contract via Optomi
03.2022 - Current
Senior iOS Developer
Rave Business Systems LLC
12.2021 - 03.2022
Bachelor of Science - Mathematics With Concentration in Computer Science
University of North Texas
Bachelor of Science - Astrophysics
University of North Texas
Associate of Science - Mathematics
Tarrant County College
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