About Skills Apps Experience Contact
Available for new opportunities

David
Leyva

Senior iOS Engineer & Cloud Architect
Swift · SwiftUI · AWS · GCP · Firebase
10+ years — 12 apps published on the App Store
View Apps → Get in Touch ↗
10+
Years Experience
12
Apps Published
4
Apple Platforms
About

Software
Engineer

I'm David Leyva, a Senior Software Engineer with over a decade of experience leading native mobile app development and scalable cloud architectures.

Specialized in the Apple ecosystem — Swift and SwiftUI — with deep expertise in the full App Store publishing cycle. I've shipped 12 apps to market across iPhone, iPad, Mac, and Apple Watch, covering categories from Fintech to Education and Productivity.

On the cloud layer, I design robust infrastructure on AWS, GCP, and Firebase built for high concurrency, integrating CI/CD with Fastlane and automated deployment pipelines.

B.Sc. in Computer Science. Based in Miami, FL.

↗ LinkedIn ↗ GitHub ↗ App Store ✉ Email
Experience10+ years
SpecialtyiOS & Cloud Architect
Apps Published12 — iPhone, iPad, Mac, Watch
LanguagesSwift, SwiftUI, Kotlin, Java
CloudAWS · GCP · Firebase
DevOpsCI/CD · Fastlane · Docker
EducationB.Sc. Ciencias de la Computación
Core Expertise

Tech
Stack

📱 Mobile
Native iOS · iPadOS · macOS · watchOS
SwiftSwiftUIUIKit CombineAsync/AwaitCore Data StoreKitCloudKitTestFlight KotlinJavaWatchKit
Swift / SwiftUIExpert
UIKit / CombineExpert
Arquitectura MVVM / VIPERExpert
Kotlin / Java (Android)Intermediate
☁️ Cloud
Scalable Infrastructure · Backend · DevOps
AWSGCPFirebase CloudKitCI/CDFastlane DockerREST APIGraphQL SQLNoSQLCoreData
Firebase / CloudKitExpert
AWS / GCPAdvanced
CI/CD & FastlaneAdvanced
SQL / NoSQL / CoreDataAdvanced
App Store

12 Apps
Published

View on App Store ↗
📚iOS · iPadOS
Exam Prep: Step 1 & 2
Master Knowledge with Quizzes. Adaptive quiz system for comprehensive exam preparation.
Education View ↗
🗽iOS · iPadOS
US Citizenship Test 2026
USCIS Civics Questions & Prep. Official guide and practice questions for the U.S. citizenship exam.
Education · Civic View ↗
🎓iOS · iPadOS
Naturalizate: Ciudadanía MX
Mobile solution for efficiently managing naturalization procedures in Mexico.
Education View ↗
🔤iOS · iPadOS
Word Explorer Puzzle
Relaxing Word Puzzle Game. Relaxing and addictive word puzzle game.
Games · Puzzle View ↗
🛒iOS · iPadOS
Shopping List: Grocery & Tasks
Planner, Reminder & To Do. Smart grocery list with reminders and task management.
Productivity View ↗
✅iOS · iPadOS
Habits Planner Custom
Create Routines, Achieve Goals. Custom habit planner for building routines and tracking goals.
Lifestyle · Health View ↗
👟iOS · iPadOS
Step Daily Walk
Pedometer and Activity. Pedometer with daily activity tracking and health metrics.
Health · Fitness View ↗
📄iOS · iPadOS
Scan & Export Documents
Easy scan documents. Document scanner with direct export to PDF and popular formats.
Productivity · Utilities View ↗
💱iOS · Watch · iPadOS
Cuba Money
Cuba Rates, Local & Global. Fintech platform with real-time exchange rates, available on iPhone and Apple Watch.
Finance · Fintech View ↗
🏠iOS · iPadOS
Tax & Mortgage Estimator
Calculate Your Tax & Mortgage. Tax and mortgage calculator with precise financial estimates.
Finance View ↗
🥗iOS · iPadOS
Food Recipes Healthy
Recipes for a Fit Lifestyle. Curated healthy recipes for an active and balanced lifestyle.
Lifestyle · Food View ↗
⏱️macOS
TimeReminderControl
Your ally for time management. Smart time management and reminders for macOS.
Productivity · Mac View ↗
Career

Experience

2021 — Present
Senior iOS Engineer & Cloud Architect
Independent — 12 apps published
Designed and shipped 12 native apps across the Apple ecosystem — iPhone, iPad, Mac, and Apple Watch — spanning Education, Fintech, Productivity, Health, and Lifestyle. End-to-end architecture with cloud-native backends and automated CI/CD pipelines.
SwiftUICloudKitFirebaseStoreKitAWSFastlane
2018 — 2021
iOS Developer Senior
Fintech Platform — Kubatel / CubaMoney
Built an integrated Fintech services platform engineered for high concurrency. Introduced SwiftUI and modern architectures (MVVM, Clean Architecture). Cuba Money shipped as a multi-platform product with Apple Watch support.
SwiftUIKitCombineREST APIsGCP
2016 — 2018
Mobile Developer
Client Application Development
Built Android and iOS apps for client projects. Developed strong foundations in Java and Swift, with deep expertise in mobile architecture and cross-platform design patterns.
SwiftJavaAndroidiOS
Contact
Let's
Build
Together.

Available for freelance projects,
technical consulting, and full-time roles.

✉
Email
dleyvaabrahantes@gmail.com
→
in
LinkedIn
dla-iosdev
→
⌥
GitHub
dleyvaabrahantes
→
⬛
App Store
12 apps published
→